Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hajime Matsumoto | Toybox | 4 |
| 2 | Mitsuru Takeno | Riso Kagaku | 3 |
| 3 | Hirokazu Kubota | Astellas Pharma | 1 |
| 3 | Tomohiro Uchida | Olympus | 1 |
| 3 | Kazuya Okano | Nihon Nohyaku Co. | 1 |
| 3 | Kyoko Ozawa | Kyowa Hakko Kogyo Co. | 1 |
| 3 | Akira Tadakuma | Nippon Mektron | 1 |
| 3 | Nobuhisa Kasagima | Hitachi Medical | 1 |
| 3 | Masatsugu Nozaki | Nikken Chemicals Co. | 1 |
| 3 | Shunichi Masuo | Texas Instruments | 1 |
| 3 | Yasushi Kuratani | Riso Kagaku | 1 |