Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masaru Morinaga | Nsk-Warner K.K. | 2 |
| 2 | Toshiyuki Sogi | Bridgestone Tire Company Limited | 1 |
| 2 | Keishin Tsuchiya | Ricoh Company | 1 |
| 2 | Kiyoshi Takada | Snow Brand Milk Products Co. | 1 |
| 2 | Masahiko Mutai | Yakult Honsha | 1 |