Showing 1–25 of 25 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasuro Niidome | Dai Nippon Toryo Co. | 1 |
| 1 | Satoru Kitazaki | Toto | 1 |
| 1 | Kouichi Udou | Kyushu University, National University | 1 |
| 1 | Toshiaki Banzai | Toto | 1 |
| 1 | Shigemitsu Yoshida | Chisso | 1 |
| 1 | Teruaki Santoki | Toda Kogyo | 1 |
| 1 | Junichi Iwasawa | Toto | 1 |
| 1 | Satoshi Kawaguchi | Panasonic | 1 |
| 1 | Masahiko Izumi | Honda Motor Co. | 1 |
| 1 | Satoshi Tsurusaki | — | 1 |
| 1 | Tomoko Negishi | Toto | 1 |
| 1 | Shuuji Yamada | Aisin Aw Co. | 1 |
| 1 | Junko Naruse | Mitsui Chemicals | 1 |
| 1 | Naoki Toge | Noritake Co., Limited | 1 |
| 1 | Hidechika Okada | Unknown | 1 |
| 1 | Koichiro Matsushita | Toto | 1 |
| 1 | Saki Nakao | Toto | 1 |
| 1 | Yukiko Koyama | Toto | 1 |
| 1 | Kazuhiko Kikuya | Toda Kogyo | 1 |
| 1 | Shuji Sonezaki | Toto | 1 |
| 1 | Toshiyuki Iwao | Sumitomo Electric Industries | 1 |
| 1 | Koji Bato | Fujitsu Limited | 1 |
| 1 | Akito Hanada | — | 1 |
| 1 | Tomoyasu Ichiki | Toto | 1 |
| 1 | Shinya Tokumaru | Hitachi | 1 |