Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Satoshi Hachiya | Idemitsu Kosan Co. | 4 |
| 2 | Takahiro Kudo | Panasonic | 1 |
| 2 | Tetsuro Endoh | Kabushiki Kaisha Toshiba | 1 |
| 2 | Choshiro Iida | 3M | 1 |
| 2 | Kazuhito Takemura | Honda Motor Co. | 1 |
| 2 | Tetsuro Endo | Pioneer Electronic | 1 |