Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kei Ishida | Brother Kogyo | 9 |
| 2 | Kazumi Harasaki | Murata Machinery | 3 |
| 3 | Naruto Adachi | Murata Machinery | 2 |
| 3 | Hiroshige Hiramatsu | Brother Kogyo | 2 |
| #5 | Mitsuya Tokumoto | Murata Machinery | 1 |
| #5 | Yasuyuki Okimura | Ngk Spark Plug Co. | 1 |