Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Motonobu Minagawa | Adeka Argus Chemical Co. | 3 |
| 1 | Satoshi Izumida | Ikeda Bussan Co. | 3 |
| 3 | Toshio Endo | Daicel Chemical Industries | 2 |
| 3 | Katsumi Kuriyama | Dainichiseika Color & Chemicals Mfg. Co. | 2 |
| 3 | Seiichi Hirai | Hitachi Kokusai Electric | 2 |
| 3 | Hiroshi Ozawa | Sanwa Kagaku Kenkyusho Co. | 2 |
| 3 | Mitsuru Ida | Sony | 2 |
| #8 | Makoto Wakabayashi | Idemitsu Petrochemical Co. | 1 |
| #8 | Toshio Matsuura | Nikon | 1 |
| #8 | Tetsuji Utsuda | Toppan Printing Co. | 1 |
| #8 | Yutaka Koike | Banyu Pharmaceutical Co. | 1 |
| #8 | Shogo Masuko | — | 1 |
| #8 | Akira Noike | Asahi Denka Kogyo | 1 |
| #8 | Toshiharu Hida | Onoda Cement Co. | 1 |
| #8 | Kimihide Kawamura | Dainichiseika Color & Chemicals Mfg. Co. | 1 |
| #8 | Saburo Nakajima | Fujitsu Limited | 1 |
| #8 | Yutaka Hatta | Midori Anzen Co. | 1 |
| #8 | Takumi Kurokawa | Pentel Kabushiki Kaisha | 1 |
| #8 | Fujio Tanaka | Kokusai Denshin Denwa Co. | 1 |