Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jun Shiraishi | Toto | 5 |
| 2 | Kenji Furukawa | Chisso | 3 |
| 3 | Yuichi Hirayama | Sony | 2 |
| #4 | Kazuhiko Tsuyama | Seiko Epson | 1 |
| #4 | Hisayuki Imamura | Hitachi | 1 |
| #4 | Kazuhiro Nakayama | Jgc Catalysts And Chemicals | 1 |
| #4 | Tomonori Suzuki | Toyota | 1 |