Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ryoichiro Uehara | Ykk | 6 |
| 2 | Seiji Nishino | Sumitomo Electric Industries | 4 |
| 3 | Atsushi Takata | Riso Kagaku | 3 |
| #4 | Masaaki Fuda | Ykk | 1 |
| #4 | Yoshihiro Kousaka | Ykk | 1 |
| #4 | Kazuo Omiya | Ykk | 1 |
| #4 | Masatake Tsuboi | Ykk | 1 |
| #4 | Hidenobu Nagahama | Ykk | 1 |
| #4 | Shunji Akashi | Yoshida Kogyo K.K. | 1 |
| #4 | Masahiro Kusayama | Ykk | 1 |