Showing 1–20 of 20 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Osamu Iwasaki | Canon | 16 |
| 2 | Jun Fukasawa | Seiko Epson | 6 |
| 3 | Yuki Noda | Unicharm | 4 |
| #4 | Jun Okuda | Unicharm | 3 |
| #4 | Toshifumi Otsubo | Unicharm | 3 |
| #4 | Kaiyo Nakajima | Unicharm | 3 |
| #4 | Satoru Sakaguchi | Unicharm | 3 |
| #4 | Yasuyuki Gomi | The Research Foundation For Microbial Diseases Of Osaka University | 3 |
| #9 | Masahiko Ishimoto | The Procter & Gamble | 1 |
| #9 | Akihide Ninomiya | Unicharm | 1 |
| #9 | Kenichi Sasayama | Unicharm | 1 |
| #9 | Seiji Murakami | Kikkoman | 1 |
| #9 | Yasuhiro Yamanaka | Sony | 1 |
| #9 | Takayoshi Konishi | Unicharm | 1 |
| #9 | Toru Oba | Unicharm | 1 |
| #9 | Akemi Tsuchiya | Unicharm | 1 |
| #9 | Toshihisa Hayashi | Unicharm | 1 |
| #9 | Nobuyuki Kato | Toyota | 1 |
| #9 | Takeshi Tanimoto | Sony | 1 |
| #9 | Tomoko Tsuji | Unicharm | 1 |