Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroyuki Ito | Yamanouchi Pharmaceutical Co. | 14 |
| 2 | Hideki Oiwa | Duplo Seiko | 12 |
| 3 | Yoshitomo Kimura | Kao | 8 |
| #4 | Akihiko Toki | Duplo Seiko | 7 |
| #5 | Masayasu Matsumoto | Duplo Seiko | 6 |
| #6 | Tomoyuki Nagayama | Duplo Seiko | 4 |
| #7 | Kazuya Takitani | Duplo Seiko | 3 |
| #7 | Akane Tokutake | Duplo Seiko | 3 |
| #9 | Haruka Takemoto | Duplo Seiko | 2 |
| #9 | Takashi Ano | Kinki University | 2 |
| #9 | Kazuhito Oguri | Duplo Seiko | 2 |
| #9 | Saori Kunii | Kinki University | 2 |
| #9 | Tadahira Ohkochi | Duplo Seiko | 2 |
| #14 | Ei Yamamoto | Kinki University | 1 |
| #14 | Hiroki IKESHITA | Duplo Seiko | 1 |
| #14 | Takuya Tashiro | Duplo Seiko | 1 |
| #14 | Hiromichi KANAOKA | Duplo Seiko | 1 |
| #14 | Kazuma UEKI | Duplo Seiko | 1 |
| #14 | Satomi Uegaito | Duplo Seiko | 1 |