Showing 1–23 of 23 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hatsuyuki Tanaka | Tokyo Ohka Kogyo Co. | 5 |
| 2 | Osamu Ishikawa | Mitsubishi Electric | 4 |
| 3 | Satoshi Mizuno | Sharp Kabushiki Kaisha | 2 |
| 3 | Hiromi Isozaki | Ncr | 2 |
| #5 | Yoshiyasu Maeba | Nihon Shinku Gijutsu | 1 |
| #5 | Yukihiro Ito | Mita Industrial Co. | 1 |
| #5 | Motonobu Yoshimura | Toho Titanium Co. | 1 |
| #5 | Hiroshi Komano | Tokyo Ohka Kogyo Co. | 1 |
| #5 | Toshihisa Aoki | — | 1 |
| #5 | Shigetoyo Kobayashi | Unicharm | 1 |
| #5 | Hideo Nagata | Kissei Pharmaceutical Co. | 1 |
| #5 | Ikuo Ishiguro | Pilot Man-Nen-Hitsu Kabushiki Kaisha | 1 |
| #5 | Yasuyoshi Muguruma | Teikoku Seiyaku Co. | 1 |
| #5 | Hatsuyuki Tanka | Tokyo Ohka Kogyo Co. | 1 |
| #5 | Yutaka Nishiyama | Mitsubishi Kinzoku | 1 |
| #5 | Tadashi Iga | Tadano | 1 |
| #5 | Akihito Ohji | Teikoku Seiyaku Co. | 1 |
| #5 | Tadafumi Mizobuchi | Teikoku Seiyaku Co. | 1 |
| #5 | Junichi Kita | Shimadzu | 1 |
| #5 | Jun Kudo | Unicharm | 1 |
| #5 | Eiji Fukuchi | Mitsuboshi Belting | 1 |
| #5 | Nobuo Tokutake | Tokyo Ohka Kogyo Co. | 1 |
| #5 | Sokichi Nosaka | Mitsuboshi Belting | 1 |