Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Saburo Wakita | Mitsubishi Materials | 3 |
| 2 | Hiroshi Motai | Kikkoman | 2 |
| 2 | Yaichi Fukushima | Kikkoman | 2 |
| #4 | Yutaka Nomura | Nippon Chemiphar Co. | 1 |
| #4 | Naoshi Tsukada | Fujikura | 1 |
| #4 | Yasuji Koyama | Kikkoman | 1 |
| #4 | Kazunori Saeki | Idemitsu Kosan Co. | 1 |
| #4 | Motohiko Kato | Kikkoman | 1 |
| #4 | Tsutomu Idai | Maruzen Petrochemical Co. | 1 |
| #4 | Toshiaki Ariga | Kikkoman | 1 |
| #4 | Satoshi Kitao | Noda Institute For Scientific Research | 1 |
| #4 | Yukio Tsutsumi | Mitsubishi Materials | 1 |
| #4 | Masakazu Nishio | Kikkoman | 1 |
| #4 | Yoshio Tanno | Oiles Industry Co. | 1 |
| #4 | Katsumichi Osaki | Kikkoman | 1 |
| #4 | Katsumichi Ohsaki | Kikkoman | 1 |
| #4 | Morihiko Sakai | Kikkoman | 1 |