Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ryoichiro Uehara | Ykk | 7 |
| 2 | Seiji Nishino | Sumitomo Electric Industries | 2 |
| 2 | Masahiro Kusayama | Ykk | 2 |
| 2 | Masanori Hirasawa | Kokusai Gijutsu Kaihatsu Co. | 2 |
| #5 | Hidenobu Nagahama | Ykk | 1 |
| #5 | Kazuo Tamura | Ykk | 1 |
| #5 | Kentarou Yamamoto | Ykk | 1 |
| #5 | Toshiaki Higuchi | Dainichiseika Color & Chemicals Mfg. Co. | 1 |
| #5 | Yoshinori Nakada | Hitachi | 1 |
| #5 | Tomiyoshi Takano | Yoshida Kogyo K.K. | 1 |