Showing 1–22 of 22 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Makoto Wakabayashi | Idemitsu Petrochemical Co. | 2 |
| 1 | Toshio Endo | Daicel Chemical Industries | 2 |
| 1 | Masami Kondo | Mizusawa Industrial Chemicals | 2 |
| 1 | Tsuyohiko Fujigaya | Sumitomo Electric Industries | 2 |
| #5 | Kazuu Aizawa | National Institute Of Advanced Industrial Science And Technology | 1 |
| #5 | Yoshimoto Taneya | Smc | 1 |
| #5 | Akio Itabashi | Copal Company Limited | 1 |
| #5 | Akira Shiohara | Daifuku Co. | 1 |
| #5 | Akemi Miura | Hitachi | 1 |
| #5 | Takashi Motegi | — | 1 |
| #5 | Yoshitada Doi | Smc | 1 |
| #5 | Naoyuki Oshima | Dai Nippon Printing Co. | 1 |
| #5 | Fujio Tanaka | Kokusai Denshin Denwa Co. | 1 |
| #5 | Tetsuto Tamura | — | 1 |
| #5 | Kenichi Donuma | Kabushiki Kaisha Toshiba | 1 |
| #5 | Genji Inada | Canon | 1 |
| #5 | Shinichi Noma | — | 1 |
| #5 | Yutaka Hatta | Midori Anzen Co. | 1 |
| #5 | Yoshihiro Shigemori | Dainichiseika Color & Chemicals Mfg. Co. | 1 |
| #5 | Kazuo Takamizawa | Ishikawajima-Harima Heavy Industries Co. | 1 |
| #5 | Haruhiko Okuno | Smc | 1 |
| #5 | Sho Obara | Hosokawa Yoko Co. | 1 |