Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akihiro Ishitoya | Kyosan Denki Co. | 5 |
| 2 | Hironobu Oki | Kyosan Denki Co. | 4 |
| 3 | Tadashi Kawaguchi | Komatsu | 2 |
| #4 | Osami Nada | Institute Of Rheological Functions Of Food | 1 |
| #4 | Koki Fujimoto | Fujitsu Limited | 1 |
| #4 | Tetsuji Tenma | Dai Nippon Printing Co. | 1 |
| #4 | Takeo Iida | Komatsu | 1 |