Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masanori Kayahara | Ykk | 3 |
| 1 | Atsushi Takata | Riso Kagaku | 3 |
| 3 | Legong Ma | Ykk | 2 |
| #4 | Muneyoshi Yokota | Ykk | 1 |
| #4 | KAZUKI HOSOE | Ykk | 1 |
| #4 | Nao Yasuda | Ykk | 1 |
| #4 | Hikaru Okuyama | Ykk | 1 |
| #4 | Yoshito Ikeguchi | Ykk | 1 |
| #4 | Jiro Nozaki | Ykk | 1 |
| #4 | Yukako Nakamura | Ykk | 1 |
| #4 | Masaki Meiwa | Ykk | 1 |
| #4 | Kazuhiro Kanayama | Ykk Ap | 1 |
| #4 | Ryoji Muratsubaki | Sugino Machine Limited | 1 |
| #4 | Masanori Hirasawa | Kokusai Gijutsu Kaihatsu Co. | 1 |
| #4 | Yuji Kirita | Ykk | 1 |
| #4 | Masayoshi Kinoshita | Ykk | 1 |