Showing 1–21 of 21 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Noriaki Emura | Tosoh | 5 |
| 2 | Shigeaki Irino | Toyo Soda Manufacturing Co. | 4 |
| 3 | Atsuo Tanaka | Toyota | 3 |
| #4 | Toshio Hironaka | Tosoh | 2 |
| #4 | Shozo Kato | Tokuyama Soda | 2 |
| #6 | Manabu Tokuda | — | 1 |
| #6 | Masahiro Aoki | Hitachi | 1 |
| #6 | Masayuki Miyazaki | Hitachi | 1 |
| #6 | Satoshi Imura | Tokuyama | 1 |
| #6 | Masaki Nakatani | Funai Electric Co. | 1 |
| #6 | Tsuneo Inui | Toyo Kohan Co. | 1 |
| #6 | Yoshio Murakami | Japan Atomic Energy Research Institute | 1 |
| #6 | Hiroya Yamashita | Tokuyama | 1 |
| #6 | Tetsuya Suematsu | Toyo Soda Manufacturing Co. | 1 |
| #6 | Mikio Ito | Agro-Kanesho Co. | 1 |
| #6 | Yasuhiro Kagiyama | Tokuyama Soda | 1 |
| #6 | Masami Haga | Idemitsu Petrochemical Co. | 1 |
| #6 | Yoshii Hitofude | — | 1 |
| #6 | Kyoshi Utsunomiya | — | 1 |
| #6 | Katsuo Mitani | Tokuyama Soda | 1 |
| #6 | Kaoru Chikamune | — | 1 |