Showing 1–25 of 25 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takafumi Imoto | Fujisawa Pharmaceutical Co. | 14 |
| 2 | Isamu Ikeda | Daicel | 11 |
| 3 | Toshiharu Minoda | Daicel | 7 |
| #4 | Satoru Nose | Daicel Chemical Industries | 6 |
| #4 | Masatake Kudoh | Daicel | 6 |
| #6 | Michiaki Maruyama | Nippon Soda Co. | 5 |
| #6 | Kaoru Miyamoto | Fujitsu Limited | 5 |
| #8 | Yasuyuki Aiura | Nippon Soda Co. | 3 |
| #8 | Katsunori Hirata | At Group | 3 |
| #10 | Yukitsugu Maeda | Daicel | 2 |
| #10 | Kouhei Fujita | Daicel | 2 |
| #10 | Ryota Hamasaki | Daicel | 2 |
| #13 | Manabu Yamada | Daicel | 1 |
| #13 | Hiroki Azeura | Tsubakimoto Chain | 1 |
| #13 | Takunori UEDA | Daicel | 1 |
| #13 | Motoko Hayashi | Daicel | 1 |
| #13 | Kunji Kitamura | Sanyo Color Works | 1 |
| #13 | Tomio Ozaki | Daicel | 1 |
| #13 | Noriaki Takeya | Daicel | 1 |
| #13 | Kazutaka Sugiyama | Chuo Denki Kogyo Co. | 1 |
| #13 | Toshihiko Nishizawa | Junkosha | 1 |
| #13 | Katushiko Asada | Matsushit Electric Industrial Co. | 1 |
| #13 | Yako Tadataka | — | 1 |
| #13 | Katsube Kazuo | — | 1 |
| #13 | Takanori Someya | Daicel | 1 |