Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takeo Ishibashi | Mitsubishi Electric | 25 |
| 2 | Yasuo Ito | Hokuriku Seiyaku Co. | 15 |
| 3 | Shingo Yasuda | Hokuriku Seiyaku Co. | 6 |
| #4 | Makoto Takeshita | Hokuriku Seiyaku Co. | 5 |
| #5 | Noriyuki Kado | Hokuriku Seiyaku Co. | 4 |
| #6 | Masayasu Katoh | Nicca Chemical Co. | 1 |
| #6 | Kenichi Fukaya | Takeda Pharmaceutical Company Limited | 1 |
| #6 | Singo Yasuda | — | 1 |
| #6 | Yasuo Fujino | — | 1 |
| #6 | Chobe Tango | Kanebo, Limited | 1 |
| #6 | Haruo Tomoyasu | Kanebo, Limited | 1 |