Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mitsuo Fukukawa | Kajima | 4 |
| 2 | Kinji Ogino | Akebono Brake Industry Co. | 2 |
| 3 | Bunji Hirai | Adeka Argus Chemical Co. | 1 |
| 3 | Taiji Nishizono | — | 1 |
| 3 | Masaaki Sakurai | Canon | 1 |
| 3 | Takahiko Funahashi | Wacom Co. | 1 |
| 3 | Akio Asano | Mikasa Sangyo Co. | 1 |
| 3 | Eiichi Irie | Meiji Seika Kaisha | 1 |
| 3 | Shigeaki Fujii | Dainichiseika Color & Chemicals Mfg. Co. | 1 |
| 3 | Keiji Hirai | Kyorin Pharmaceutical Co. | 1 |
| 3 | Seigo Suzue | Kyorin Pharmaceutical Co. | 1 |