Showing 1–27 of 27 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshio Hiraoka | Unicharm | 6 |
| 2 | Takayoshi Konishi | Unicharm | 5 |
| 3 | Yasuhiro Yamanaka | Sony | 4 |
| #4 | Yuki Noda | Unicharm | 3 |
| #4 | Masashi Uda | Unicharm | 3 |
| #4 | Noritomo Kameda | Unicharm | 3 |
| #4 | Akira Hashino | Unicharm | 3 |
| #4 | Daisuke Komatsubara | Unicharm | 3 |
| #4 | Yasuhiro Sasano | Unicharm | 3 |
| #4 | Satoru Sakaguchi | Unicharm | 3 |
| #11 | Masashi Nakashita | Unicharm | 2 |
| #11 | Shigetomo Takahashi | Unicharm | 2 |
| #11 | Masato Shinohara | Toyo Tanso Co. | 2 |
| #11 | Norihito Yabuki | Toyo Tanso Co. | 2 |
| #11 | Satoshi Torimi | Toyo Tanso Co. | 2 |
| #11 | Nobuyuki Kato | Toyota | 2 |
| #11 | Jun Fukasawa | Seiko Epson | 2 |
| #18 | Midori TESHIMA | Unicharm | 1 |
| #18 | Tetsushi Shinohara | Unicharm | 1 |
| #18 | Asami SHIMA | Unicharm | 1 |
| #18 | Akihide Ninomiya | Unicharm | 1 |
| #18 | Akane KOMATSU | Unicharm | 1 |
| #18 | Chiyo Takai | Unicharm | 1 |
| #18 | Kazuhiro Yagyu | Otsuka Pharmaceutical Co. | 1 |
| #18 | Youji Teramoto | Toyo Tanso Co. | 1 |
| #18 | Takayuki Onishi | Sumitomo Electric Industries | 1 |
| #18 | Tetsuo Okubo | Unicharm | 1 |