Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kyoichi Yuki | Ykk | 2 |
| 1 | Makoto Takekawa | Ykk | 2 |
| 1 | Toshiyuki Jyogan | Ykk | 2 |
| #4 | Leona Saito | Ykk | 1 |
| #4 | Yutian Long | Ykk | 1 |
| #4 | Jiro Nozaki | Ykk | 1 |
| #4 | Kenichi Yoshie | Ykk | 1 |
| #4 | Atsushi Takata | Riso Kagaku | 1 |
| #4 | Kazuo Tamura | Ykk | 1 |
| #4 | Aoi Takekawa | Ykk | 1 |
| #4 | Ryoichiro Takazakura | Ykk | 1 |
| #4 | Kazuhiro Kanayama | Ykk Ap | 1 |
| #4 | Yasuhito Naka | Ykk | 1 |
| #4 | Yoshie Ito | Canon | 1 |