Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ryoichiro Takazakura | Ykk | 3 |
| 1 | Yuichi Kubo | Hitachi | 3 |
| 3 | Shunji Akashi | Yoshida Kogyo K.K. | 2 |
| 3 | Seiji Nishino | Sumitomo Electric Industries | 2 |
| 3 | Ryoichiro Uehara | Ykk | 2 |
| 3 | Hidehiro Kitayama | — | 2 |
| #7 | Mitsuo Horikawa | Yoshida Kogyo K.K. | 1 |
| #7 | Miyuki Kirita | Ykk | 1 |
| #7 | Kenichi Yoshie | Ykk | 1 |
| #7 | Kazuo Tamura | Ykk | 1 |
| #7 | Masahiro Kusayama | Ykk | 1 |
| #7 | Isao Ikegami | Panasonic | 1 |