Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuji Setoguchi | Sekisui Chemical Co. | 4 |
| 2 | Shuichi Okuzono | Tosoh | 2 |
| 3 | Shoichi Oishi | Showa Denko K.K. | 1 |
| 3 | Yoshinao Ihara | Nippon Silica Glass Co. | 1 |
| 3 | Masahiro Tajima | Shiseido Company, Limited | 1 |
| 3 | Daisuke Osaki | Tokuyama | 1 |
| 3 | Yoshiyuki Miyaki | Toyo Soda Manufacturing Co. | 1 |
| 3 | Yasuki Kotagiri | Tosoh | 1 |
| 3 | Kazuhiko Fukuda | Denso | 1 |