Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Osamu Iwasaki | Canon | 8 |
| 2 | Toshifumi Otsubo | Unicharm | 4 |
| 3 | Yasuhiro Yamanaka | Sony | 3 |
| #4 | Masahiko Ishimoto | The Procter & Gamble | 1 |
| #4 | Takayuki Onishi | Sumitomo Electric Industries | 1 |
| #4 | Tomoko Tsuji | Unicharm | 1 |
| #4 | Hiroyuki Tanji | Unicharm | 1 |
| #4 | Toru Oba | Unicharm | 1 |
| #4 | Takeshi Tanimoto | Sony | 1 |
| #4 | Satoshi Mitsuno | Unicharm | 1 |