Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasuhiro Taga | Brother Kogyo | 4 |
| 2 | Shinichi Sakurai | Daido Metal Company | 3 |
| 3 | Hiroki Kobayakawa | Daido Metal Company | 1 |
| 3 | Hiromichi Inagaki | Chokoku Plast | 1 |
| 3 | Kazumi Harasaki | Murata Machinery | 1 |
| 3 | Naruto Adachi | Murata Machinery | 1 |
| 3 | Yasuyuki Okimura | Ngk Spark Plug Co. | 1 |