Showing 1–21 of 21 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takashi Kobayakawa | Tokuyama | 4 |
| 1 | Yoshio Murakami | Japan Atomic Energy Research Institute | 4 |
| 3 | Kazuo Ihara | Hitachi | 2 |
| 3 | Masahiro Aoki | Hitachi | 2 |
| #5 | Masayuki Miyazaki | Hitachi | 1 |
| #5 | Satoshi Imura | Tokuyama | 1 |
| #5 | Shozo Kato | Tokuyama Soda | 1 |
| #5 | Tsuneyoshi Tanizawa | Tokuyama | 1 |
| #5 | Yoshifumi Matsumoto | Sumitomo Electric Industries | 1 |
| #5 | Masaaki Nakashima | Pentax | 1 |
| #5 | Mariko Shitashige | Kyowa Hakko Bio Co. | 1 |
| #5 | Toshihiro Katayama | Tokuyama | 1 |
| #5 | Toshio Naka | Tosoh Finechem | 1 |
| #5 | Nobuhiko Hiraide | NS Sumikin Stainless | 1 |
| #5 | Yoshihiro Kubo | Horiba | 1 |
| #5 | Hideki Okoshi | Figaro Engineering | 1 |
| #5 | Hiroshi Suga | National Institute Of Advanced Industrial Science And Technology | 1 |
| #5 | Atsuo Tanaka | Toyota | 1 |
| #5 | Shigeaki Irino | Toyo Soda Manufacturing Co. | 1 |
| #5 | Hajime Takasugi | Idemitsu Kosan Co. | 1 |
| #5 | Syuji Baba | Tokuyama | 1 |