Yoshida H., Arai K., Akimichi H., Hong S.S., Song H.W., "Final report on key comparison APMP.M.P-K3: Absolute pressure measurements in gas from 3 × 10−6 Pa to 9 × 10−4 Pa ", Metrologia, 48, Tech. Suppl., 07013, 2011.
H. Yoshida, M. Hirata, H. Akimichi, "Calibration of ultra-high vacuum gauge from 10-9 Pa to 10-5 Pa by the two-stage flow-dividing system", Vacuum, 86, 2, pp.226-231, 2011.
H Yoshida, M. Shiro, K. Arai, H. Akimichi, M. Hirata, "Calculation and uncertainty evaluation of conductance of a precise orifice for orifice-flow method", Vacuum, Vol. 84, , pp.277-279, 2010.
Hajime Yoshida・Kenta Arai・Hitoshi Akimichi・Masahiro Hirata, "Two-stage flow-dividing system for the calibration of vacuum gauges", J. Vac. Sci. Technol. A, 26, 1, 128, 2008.
K. Arai, M. Hirata, H. Akimichi, H. Yoshida, "Generation of precise micro gas flow by a constant pressure flowmeter", Proceeding of SICE-ICASE International Joint Conference 2006, , , p.3356-3361, 2006.
H. Yoshida, K. Arai, H. Akimichi, M. Hirata, "Generation of a stable vacuum pressure by flow method using micro capillaries", Proceeding of SICE-ICASE International Joint Conference 2006, , , p.3362-3366, 2006.
K. Arai, H. Akimichi, M. Hirata, "Precise measurements of the volume change with the bellows length by the Boyle's law", Proceedings of SICE 2005, , , p.2132-2135, 2005.
H. Akimichi, E. Komatsu, K. Arai and M. Hirata, "Calibration of a diaphragm gauge by a static expansion system", Proceedings of SICE 2005, , , p.2145-2148, 2005.
Masahiro Hirata・Mercede Bergoglio・Anita Calcatelli・Giulio Rumiano, "Results of bilateral comparisons: capabilities and problems of spinning rotor gauges", Vacuum, Volume 48, Issues 7-9, Pages 719-721, 1997.
M Hirata・M Bergoglio・A Calcatelli and G Rumiano, "Results of bilateral pressure comparisons in the vacuum region between the ETL and the IMGC", Metrologia, 34, No 5, 421-422, 1997.
Tokihiko Kobata, Kazunori Ide, Hiroaki Kajikawa, Wladimir Sabuga, Steffen Scheppner, Wilfried Schultz, "Final report on supplementary comparison APMP.M.P-S8 in hydraulic gauge pressure from 100 MPa to 1000 MPa", Metrologia, Vol.47, No.TS, 7009, 2009.
Tokihiko Kobata, Hiroaki Kajikawa, Sakae Kimura, Mark Fitzgerald, Darrin Jack, Chris Sutton, Wan Abd Malik Wan Mohamed, Mohd Mazid Mansor, Chen Soo Fatt, "Final Report on Key Comparison APMP.M.P-K7.1 in Hydraulic Gauge Pressure from 10 MPa to 100 MPa", Metrologia, Vol.46, No.TS, 7008, 2009.
Tokihiko Kobata, Momoko Kojima, Katsuhisa Saito, Mark Fitzgerald, Darrin Jack, Chris Sutton, "Final Report on Key Comparison APMP.M.P-K5 in Differential Pressure from 1 Pa to 5000 Pa", Metrologia, Vol.44, No.TS, 7001, 2007.
W. Sabuga, M. Bergoglio, T. Rebault, B. Waller, J.C. Torres, D.A. Olson, A. Agarwal, Tokihiko Kobata, A.K. Bandyopadhyay, "Final Report on Key Comparison CCM.P-K7 in the Range 10 MPa tp 100 MPa of Hydraulic Gauge Pressure", Metrologia, Vol.42, No.TS, 7005, 2005.
Tokihiko Kobata et. al., "Final Report on Key Comparison APMP.M.P-K7 in Hydraulic Pressure from 10 MPa to 100 MPa", Metrologia, Vol.42, No.TS, 7006, 2005.
Kajikawa Hiroaki, Kazunori Ide and Tokihiko Kobata, "Methods of precisely estimating the jacket pressure coefficient of controlled-clearance piston-cylinders at pressures up to 1GPa", METROLOGIA, Vol.48, No.5, 352/358, 2011.
Hiroaki Kajikawa, Kazunori Ide and Tokihiko Kobata, "Method for altering deformational characteristics of controlled-clearance piston-cylinders", Measurement, Vol.44, No.2, 359/364, 2011.
Hiroaki Kajikawa and Tokihiko Kobata, "Effects of pressurization procedures on calibration results for precise pressure transducers", Meas. Sci. Technol., Vol.21, No.6, 065104, 2010.
Tokihiko Kobata, "Improved methods for comparing gas and hydraulic pressure balances", Metrologia, Vol.46, No.5, 591/598, 2009.
Hiroaki Kajikawa, Kazunori Ide and Tokihiko Kobata, "Precise determination of the pressure distortion coefficient of new controlled-clearance piston-cylinders based on the Heydemann-Welch model", Rev. Sci. Instrum., Vol.80, No.9, 095101 1-10, 2009.
Hiroaki Kajikawa, Tokihiko Kobata, Akira Ooiwa, "Features of a New Controlled-clearance Pressure Balance and In Situ Mass Calibration of Its Weights", Trans. of the Society of Instrument and Control Engineers, Vol.44, No.3, 219/226, 2008.
Momoko Kojima, Tokihiko Kobata, Katsuhisa Saito, Masahiro Hirata, "Development of small differential pressure standard using double pressure balances", Metrologia, Vol.42, No.6, S227/S230, 2005.
Tokihiko Kobata, Douglas A Olson, "Accurate determination of equilibrium state between two pressure balances using a pressure transducer", Metrologia, Vol.42, No.6, S231/S234, 2005.
Tokihiko Kobata, James W. Schmidt, Douglas A. Olson, "Characterization of a Controlled-Clearance Piston Gauge Using the Heydemann-Welch model", Trans. of the Society of Instrument and Control Engineers, Vol.39, No.4, 349/356, 2003.
Tokihiko Kobata, Akira Ooiwa, "Square-wave pressure generator using a novel rotating valve", Metrologia, Vol.36, No.6, 637/640, 2000.
Tokihiko Kobata, Akira Ooiwa, "Method of evaluating frequency characteristics of pressure transducers using newly developed dynamic pressure generator", Sensors and Actuators A:Physical, Vol.79, No.2, 97/101, 1999.
Akira Ooiwa, Masaaki Ueki, "A novel fine differential Pressure generator using centrifugal force", Proceedings of the 13th IMEKO World Congress, Vol.3, No., 1957/1962, 1994.
Akira Ooiwa, "Novel Nonrotational Air Piston Gauge with Weight Balance Mechanism for the Measurement of Small Differential Pressures", Metrologia, Vol.30, No.6, 607/610, 1994.
Akira Ooiwa, Masaaki Ueki, Ryosaku Kaneda, "New Mercury Interferometric Baromanometer as the Primary Pressure Standard of Japan", Metrologia, Vol.30, No.6, 565/570, 1994.
Akira Ooiwa, Masaaki Ueki, "Development of novel air piston gauge for medium vacuum and fine differential pressure measurement", Vacuum, Vol.44, No.40670, 603-605, 1993.
H. Yoshida, K. Arai, H. Akimichi, M. Hirata, "Stability tests of quadrupole mass spectrometer by two-stage flow-dividing system", Vacuum, Vol. 85, , pp.78-84, 2010.
H. Yoshida, K. Arai, H. Akimichi, M. Hirata, "Stability tests of ionization gauges using two-stage flow-dividing system", Vacuum, Vol. 84, , pp.705-708, 2009.
Shigemi Suginuma・Masahiro Hirata, "Dependence of sensitivity coefficient of a nude-type Bayard--Alpert gauge on the diameter of an envelope", Vacuum, Volume 53, Issues 1-2, Pages 177-180, 1999.
K Kokubun・S Ichimura・M Hirata・S Sekine・A Kurokawa, "Improvement in the ion-detection sensitivity of the pressure measurement method using nonresonant laser ionization", Vacuum, Volume 48, Issues 7-9, Pages 719-721, 1997.
M. Hirata, "Influence of synchronous axial vibration on the performance of a spinning rotor gauge", Vacuum, Volume 47, Issues 6-8, Pages 511-513, 1996.
M. Hirata and M. Ono, "Reduction of space charge effect on the sensitivity of a triode gauge", J. Vac. Sci. Technol. A, 9, 3, 1986, 1991.
K Kokubun・M Hirata・M Ono・H Tanaka・R Aida・A Nagata, "Dependence of the pressure sensitivity of a quartz oscillator on its size", Vacuum, Volume 40, Issue 6, Pages 521-524, 1990.
Masahiro Hirata・Masatoshi Ono, "Pressure dependence of the sensitivity of a triode gauge", Vacuum, Volume 41, Issues 7-9, Pages 2093-2095, 1990.
M. Ono, M. Hirata, K. Kokubun, H. Murakami, H. Hojo, H. Kawashima, and H. Kyogoku, "Quartz friction vacuum gauge for pressure range from 0.001 to 1000 Torr", J. Vac. Sci. Technol. A, 4, , 1728, 1986.
M. Ono, M. Hirata, K. Kokubun, H. Murakami, F. Tamura, H. Hojo, H. Kawashima, and H. Kyogoku, "Design and performance of a quartz oscillator vacuum gauge with a controller", J. Vac. Sci. Technol. A, 3, , 1746, 1985.
M. Hirata, K. Kokubun, M. Ono, and K. Nakayama, "Size effect of a quartz oscillator on its characteristics as a friction vacuum gauge", J. Vac. Sci. Technol. A, 3, , 1742, 1985.
M. Ono・M. Hirata・K. Kokubun・H. Murakami・H. Hojo・H. Kawashima and H. Kyogoku, "Quartz friction vacuum gauge for pressure range from 0.001 to 1000 Torr", J. Vac. Sci. Technol. A, 4, , 1728, 1986.
M. Ono・M. Hirata・K. Kokubun・H. Murakami・F. Tamura・H. Hojo・ H. Kawashima and H. Kyogoku, "Design and performance of a quartz oscillator vacuum gauge with a controller", J. Vac. Sci. Technol. A, 3, , 1746, 1985.
M. Hirata・K. Kokubun・M. Ono and K. Nakayama, "Size effect of a quartz oscillator on its characteristics as a friction vacuum gauge", J. Vac. Sci. Technol. A, 3, , 1742, 1985.
M. Hirata・M. Ono・H. Hojo and K. Nakayama, "Calibration of secondary standard ionization gauges", J. Vac. Sci. Technol., 20, , 1159, 1982.
H. Yoshida, M. Shiro, K. Arai, M. Hirata, H. Akimichi, "Effect of Surface Material and Roughness on Conductance of Channel between Parallel Disks at Molecular Flow", J. Vac. Sci. Technol. A, Vol. 28, No. 4, pp.937-941, 2010.
H Akimichi and M Hirata, "Generation and pressure measurement of extremely high vacuum (XHV) using a TiN coated chamber", Metrologia, 42, No 6, S184-S186, 2005.
Yoshitane Akiyama・Katsuya Nakayama・Mahito Saito, "Calculation of cryopumping speeds by the Monte Carlo method", Vacuum, Vol.21.Issue 5.167-173, 1971, , .
T. Kobata, M. Kojima, H.Kajikawa and S. Kimura, "Development of High Gas Pressure Calibration System", Proceedings of the 4th NMIJ-KRISS Pressure and Vacuum Workshop, 1, 2011.
Kajikawa Hiroaki and Tokihiko Kobata, "Measures for obtaining reproducible calibration results for hydraulic pressure transducers using stepwise and 0-A-0-type calibration cycles", Proceedings of the 4th NMIJ-KRISS Pressure and Vacuum Workshop, 2, 2011.
Momoko Kojima and Tokihiko Kobata, "Quantitative evaluation of line pressure dependency of a differential pressure gauge", Proceedings of the 4th NMIJ-KRISS Pressure and Vacuum Workshop, 4, 2011.
T. Kobata, M. Kojima, H.Kajikawa and S. Kimura, "Calibration System for High Gas Pressure Measuring Devices", Proceedings of SICE Annual Conference 2011, 775/779, 2011.
Kajikawa Hiroaki, Kazunori Ide and Tokihiko Kobata, "Newly developed method for measuring jacket pressure coefficient of controlled-clearance piston-cylinders", Proceedings of SICE Annual Conference 2011, 780/785, 2011.
Momoko Kojima and Tokihiko Kobata, "Improvement of pressure generating system for low pressure calibration", Proceedings of SICE Annual Conference 2011, 766/768, 2011.
Momoko Kojima, Tokihiko Kobata, "Development of calibration system for pressure transducers in the range of 10 kPa absolute pressure", Proceedings of SICE Annual Conference 2010, 2692/2694, 2010.
Tokihiko Kobata, Momoko Kojima, Hiroaki Kajikawa, "Long-Term Evaluation of Effective Area Ratio of Pressure Balances", Proceedings of SICE Annual Conference 2010, 2687/2691, 2010.
Hiroaki Kajikawa, Kazunori Ide and Tokihiko Kobata, "Improvement in Precise Estimation of the Pressure Distortion Coefficient for Controlled-Clearance Piston-Cylinders at Higher Pressures", Proceedings of SICE Annual Conference 2010, 2683/2686, 2010.
Hiroaki Kajikawa, Kazunori Ide and Tokihiko Kobata, "Progress in development of controlled-clearance pressure balance in NMIJ", Journal of Physics: Conference Series, 012174, 2010.
Hiroaki Kajikawa, Kazunori Ide and Tokihiko Kobata, "Uncertainty estimation of the pressure generated by the controlled-clearance pressure balance in NMIJ", Proceedings of ICCAS-SICE 2009, 360/363, 2009.
Hiroaki Kajikawa, Kazunori Ide, Tokihiko Kobata, "Estimation of the Effective Area of the Controlled-Clearance Pressure Balance for Pressures up to 500MPa", Proceedings of SICE Annual Conference 2008, 1544/1547, 2008.
Hiroaki Kajikawa, Tokihiko Kobata, Akira Ooiwa, ""Development of a New Controlled-Clearance Pressure Balance for Hydraulic High-Pressure Standard"", Proceedings of SICE Annual Conference 2007, 384/387, 2007.
Tokihiko Kobata, Momoko Kojima, Hiroaki Kajikawa, "Development of remote calibration technology for pressure standards", Proceedings of PTB-BIPM Workshop on the Impact of Information Technology in Metrology, 55/56, 2007.
Tokihiko Kobata, Kazunori Ide, "Transfer standard for high pressure up to 1 GPa using pressure transducers", Proceedings of SICE Annual Conference 2007, 388/391, 2007.
Tokihiko Kobata, "Present State and Prospect of Pressure Standard at NMIJ/AIST", Proceedings of 6th ASEAN Seminar and Workshop on Measurement Standards in Bangkok, , 2007.
Tokihiko Kobata, Momoko Kojima, Hiroaki Kajikawa, "Towards Establishment of Remote Calibration for Pressure Standards", Proceedings of IMEKO 20th TC3, 3rd TC16 and 1st TC22 International Conference, ID-042, 2007.
Tokihiko Kobata, "A Fully Automated Calibration System for Pressure Balance", Proceedings of IMEKO 20th TC3, 3rd TC16 and 1st TC22 International Conference, ID-041, 2007.
Momoko Kojima, Tokihiko Kobata, Katsuhisa Saito, "Study on calibration procedure for differential pressure transducers", Proceedings of IMEKO 20th TC3, 3rd TC16 and 1st TC22 International Conference, ID-044, 2007.
Hiroaki Kajikawa, Kazunori Ide, Tokihiko Kobata, "Precise determination of the jacket pressure coefficient of controlled-clearance pressure balances", Proceedings of IMEKO 20th TC3, 3rd TC16 and 1st TC22 International Conference, ID-073, 2007.
Tokihiko Kobata, "MEASUREMENT OF EFFECTIVE AREA RATIO OF GAS AND HYDRAULIC PRESSURE BALANCES", Proceedings of XVIII IMEKO WORLD CONGRESS, 1/5, 2006.
Tokihiko Kobata, Kazunori Ide, "Development of pressure standard up to 1 GPa using a precise pressure multiplier", Proceedings of SICE-ICASE International Joint Conference 2006, 3367/3371, 2006.
Tokihiko Kobata, Momoko Kojima, "PRESSURE STANDARDS AND CALIBRATION SERVICES USING PRESSURE BALANCES AT NMIJ/AIST", Procedings of 6th International Conference on Advances in Metrology (AdMet-2006), 1/4, 2006.
Tokihiko Kobata, Momoko Kojima, Katsuhisa Saito, Mark Fitzgerald, Darrin Jack, Chris Sutton, "Key Comparison APMP.M.P-K5 in Differential Pressure from 1 Pa to 5000 Pa", Procedings of 6th International Conference on Advances in Metrology (AdMet-2006), 1/4, 2006.
Momoko Kojima, Katsuhisa Saito, Tokihiko Kobata, "Newly Developed Mass-loading Device for Generating Small Differential Pressure", Proceedings of SICE-ICASE International Joint Conference 2006, 3372/3375, 2006.
Momoko Kojima, Katsuhisa Saito, Tokihiko Kobata, "Characterization of Transfer Standard for Small Differential Pressure", Proceedings of 3rd APMP Pressure and Vacuum Workshop, , 2006.
Tokihiko Kobata, "Activities for ensuring reliability of pressure standard", Proceedings of SICE Annual Conference 2005, 2126/2131, 2005.
Momoko Kojima, Tokihiko Kobata, Katsuhisa Saito, Masahiro Hirata, "Development of transfer standard for small differential pressure", Proceedings of SICE Annual Conference 2005, 2141/2144, 2005.
Tokihiko Kobata, "Reliability Evaluation of Pressure Standard using Pressure Balances", Proceedings of SICE Annual Conference 2004, 51/54, 2004.
Tokihiko Kobata, Kazunori Ide, "Characterization of hydraulic high pressure transducers as a transfer standard", Proceedings of SICE Annual Conference 2004, 55/59, 2004.
Momoko Kojima, Tokihiko Kobata, Katsuhisa Saito, Masahiro Hirata, "Low differential pressure standard using double pressure balances", Proceedings of SICE Annual Conference 2004, 481/484, 2004.
Tokihiko Kobata, ""OUTLINE OF PROTOCOL OF INTERLABORATORY COMPARISON PROGRAM FOR HIGH PRESSURE, APMP.M.P-K7"", Proceeding of International Symposium on Pressure and Vacuum 2003, 66/71, 2003.
Tokihiko Kobata, Douglas A. Olson, "Accurate Determination of Differential Pressure between Two Pressure Balances using a Pressure Transducer", Proceedings of SICE Annual Conference 2003, 86/91, 2003.
Tokihiko Kobata, James W. Schmidt, Douglas A. Olson, "Characterization of a Controlled-Clearance Piston Gauge using the Heydemann-Welch model", Proceedings of SICE Annual Conference 2002, , 2002.
Douglas A. Olson, Tokihiko Kobata, "Automating the Calibration of Two Piston Gage Pressure Balances", Proceedings of 2002 NCSL International Workshop and Symposium, , 2002.
Tokihiko Kobata, Douglas A. Olson, A. A.E. El-Tawil, Akihiko Yonenaga, "Comparison of working pressure standards in the range up to 200 MPa", Proceedings of the Second International Pressure Metrology Workshop & International Conference on High Pressure Science and Technology, 83/88, 2001.