Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasushi Murakami | Chugai Pharmaceutical | 4 |
| 2 | Hiroo Takeuchi | Nissin Kogyo Co. | 3 |
| 3 | Iwao Sakaguchi | Sumitomo Chemical | 2 |
| #4 | Shigenori Hokari | — | 1 |
| #4 | Hiroki Shimizu | Canon | 1 |
| #4 | Mari Takahashi | Konica Minolta | 1 |
| #4 | Kunio Horiuchi | Kanetsu Kogyo Kabushiki Kaisha | 1 |
| #4 | Yoshinobu Mizusaki | Nissin Kogyo Co. | 1 |
| #4 | Sadao Nakagaki | — | 1 |
| #4 | Masumi Takeuchi | Organ Needle Co. | 1 |
| #4 | Tetsuo Maeno | Panasonic | 1 |
| #4 | Yoshitada Hanai | Totoku Electric Co. | 1 |
| #4 | Mitutoyo Mizusawa | Nissin Kogyo Co. | 1 |
| #4 | Shigeo Nagai | Nissin Kogyo Co. | 1 |
| #4 | Mamoru Uchikune | Kanetsu Kogyo Kabushiki Kaisha | 1 |
| #4 | Sukehiro Uehara | Kabushiki Kaisha Miyano Tekkosho | 1 |
| #4 | Mutsukazu Tagami | Kanetsu Kogyo Kabushiki Kaisha | 1 |
| #4 | Hiroo Sakaguchi | Kanetsu Kogyo Kabushiki Kaisha | 1 |
| #4 | Yoshiyuki Fujiyama | Panasonic | 1 |