Showing 1–23 of 23 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshinori Kikuchi | Nihon Micronics | 10 |
| 2 | Tadashi MATSUI | Kao | 8 |
| 3 | Junsuke Kyomen | Kubota | 6 |
| #4 | Ryozo Ohta | Kubota | 3 |
| #4 | Hiroaki Kasai | Suntory Holdings Limited | 3 |
| #4 | Tadao Yoshizawa | Kubota | 3 |
| #7 | Yorihito Mikami | Nippon Steel | 2 |
| #7 | Ryuichi Yoneda | Kubota | 2 |
| #7 | Miho Kikuchi | Alligator Bioscience Ab | 2 |
| #7 | Mitsuhiko Nishimura | Nec | 2 |
| #7 | Katsunori Nashimoto | Nippon Steel | 2 |
| #7 | Hidekazu Enomoto | Kubota | 2 |
| #7 | Kouhei Nagahara | Sekisui Chemical Co. | 2 |
| #7 | Motoo Kuwahara | Nissin Shokuhin Kabushiki Kaisha | 2 |
| #15 | Akiyoshi Takahashi | Sumitomo Metal Industries | 1 |
| #15 | Yoshikazu Shizuri | Kirin Holdings Kabushiki Kaisha | 1 |
| #15 | Moriyasu Tokiwai | Central Research Institute Of Electric Power Industry | 1 |
| #15 | Morikatsu Sakurada | Nippon Steel | 1 |
| #15 | Chiyomi Yamaguchi | Nippon Steel | 1 |
| #15 | Syoji Sasaki | Nippon Steel | 1 |
| #15 | Minoru Ishizaki | — | 1 |
| #15 | Rokuro Komakine | Nippon Steel | 1 |
| #15 | Kanji Goto | Nippon Steel | 1 |