National Metrology Institute of Japan (NMIJ)
Organization and Members
Organization Chart
Members
Updated December 1, 2025
Institute Management
| Director | Kazumi Inagaki |
|---|---|
| Deputy Director | Megumi Akoshima; Kenji Ito |
| Principal Research Manager | Tomohiro Narukawa |
| Institute Staff (Senior Researcher) | Takahisa Tsugoshi |
Inorganic Standards Group
| Group Leader | Megumi Akoshima |
|---|---|
| Chief Senior Researcher | Masaki Ohata; Toshiaki Asakai |
| Senior Researcher | Shin-ichi Miyashita; Shiho Asai; Tomoko Ariga |
| Researcher | Yuya Hibino; Sachika Natori |
| Affiliated Staff (concurr.) | Yanbei Zhu |
Reference Material Evaluation Group
| Group Leader | Chikako Cheong |
|---|---|
| Senior Researcher | Ayaka Wada |
| Researcher | Yuta Kojima; Mayu Nakatani |
| Career Researcher | Tsutomu Miura |
| Affiliated Staff (concurr.) | Tomohiro Narukawa; Izumi Kudo |
Gas and Humidity Standards Group
| Group Leader | Takuya Shimosaka |
|---|---|
| Chief Senior Researcher | Hisashi Abe |
| Senior Researcher | Koji Hashiguchi; Minami Amano; Nobuhiro Matsumoto; Takuro Watanabe; Naoya Ishiwata |
| Researcher | Yuto Nishikido |
| Affiliated Staff (concurr.) | Nobuyuki Aoki |
Organic Analytical Standards Group
| Group Leader | Takamitsu Otake |
|---|---|
| Senior Researcher | Keisuke Nakamura; Eriko Yamazaki |
| Researcher | Maho Kihara; Jin Hamaura |
| Affiliated Staff (concurr.) | Nobuyasu Hanari; Nobuyasu Itou |
Organic Primary Standards Group
| Group Leader | Nobuyasu Itou |
|---|---|
| Senior Researcher | Yoshitaka Shimizu; Taichi Yamazaki |
| Researcher | China Okamoto; Miho Kuroe |
| Affiliated Staff (concurr.) | Yuko Kitamaki; Yoko Ohte; Shoichi Tatsumi; Satoe Nakamura |
Biomedical Standards Group
| Group Leader | Shin-ichiro Fujii |
|---|---|
| Senior Researcher | Tomoya Kinumi; Migaku Kawaguchi; Sachie Shibayama; Kazumi Saikusa |
| Researcher | Yuriko Adachi; Takema Hasegawa |
| Affiliated Staff (concurr.) | Megumi Kato; Ayano Miyamoto; Sakae Eyama; Ryoko Mizuno |
Nanodimensional Standards Group
| Group Leader | Ichiko Misumi |
|---|---|
| Chief Senior Researcher | Haruhisa kato |
| Senior Researcher | Yasushi Azuma; Lulu Zhang; Keita Kobayashi; Ryosuke Kizu |
| Affiliated Staff (concurr.) | Kazuhiro KUMAGAI; Ayako Nakamura |
Particle Measurement Research Group
| Group Leader | Hiromu Sakurai |
|---|---|
| Senior Researcher | Kayori TAKAHASHI; Keiji Takahata; Kenjiro Iida; Yuki Kuruma; Yoshiko Murashima |
| Researcher | Yusuke Matsuura |
| Affiliated Staff (concurr.) | Kohei Mizuno; Haruhisa kato |
Thermophysical Property Standards Group
| Group Leader | Takashi Yagi |
|---|---|
| Senior Researcher | Naofumi Yamada; Hiromichi Watanabe; Haruka Abe |
| Researcher | Isamu Orikasa; Shoichi Tatsumi |
| Affiliated Staff (concurr.) | Megumi Akoshima; Yuichiro Yamashita; Kan Ueji |
Advanced Thermal Analysis Research Group
| Group Leader | Yuichiro Yamashita |
|---|---|
| Senior Researcher | Kan Ueji |
| Affiliated Staff (concurr.) | Takashi Yagi; Hiroshi Fujihisa; Mineyuki Hattori |