Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tadashi Kawaguchi | Komatsu | 5 |
| 2 | Naoki Kawai | Sumitomo Electric Industries | 2 |
| 2 | Akira SUGITANI | Sanoh Industrial Co. | 2 |
| 2 | Norinobu KUSUNOKI | Sanoh Industrial Co. | 2 |
| #5 | Satoshi Daimon | Sanoh Industrial Co. | 1 |
| #5 | Masako KIDOKORO | Mitsui Chemicals Tohcello | 1 |
| #5 | Ryosuke Chinomi | Sekisui Plastics Co. | 1 |
| #5 | Shinji Takakura | Kabushiki Kaisha Toshiba | 1 |
| #5 | Masami Nishikawa | Sumitomo Rubber Industries | 1 |
| #5 | Daisuke Matoba | Mitsui Chemicals Tohcello | 1 |
| #5 | Hiroyuki Tarumoto | Sekisui Plastics Co. | 1 |