Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takayoshi Konishi | Unicharm | 5 |
| 1 | Toshio Hiraoka | Unicharm | 5 |
| 3 | Yasuhiro Sasano | Unicharm | 4 |
| #4 | Noritomo Kurita | Unicharm | 3 |
| #5 | Jun Fukasawa | Seiko Epson | 2 |
| #6 | Makoto Tatsumi | Toyo Tanso Co. | 1 |
| #6 | Naoto Ohashi | Unicharm | 1 |
| #6 | Chiyo Takai | Unicharm | 1 |
| #6 | Noritomo Kameda | Unicharm | 1 |
| #6 | Yuki Koido | Unicharm | 1 |
| #6 | Akihide Ninomiya | Unicharm | 1 |
| #6 | Daisuke Komatsubara | Unicharm | 1 |
| #6 | Kouichi Yamaki | Unicharm | 1 |
| #6 | Seiji Murakami | Kikkoman | 1 |
| #6 | Takayuki Onishi | Sumitomo Electric Industries | 1 |
| #6 | Mika Kondo | Shiseido Company, Limited | 1 |
| #6 | Kunihiko Katsuragawa | Unicharm | 1 |