Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kei Ishida | Brother Kogyo | 4 |
| 2 | Yasuyuki Okimura | Ngk Spark Plug Co. | 2 |
| 2 | Kaname Takai | Murata Machinery | 2 |
| #4 | Naruto Adachi | Murata Machinery | 1 |
| #4 | Shigeya Haneda | Daido Metal Company | 1 |
| #4 | Hiroshige Hiramatsu | Brother Kogyo | 1 |
| #4 | Norimasa Osawa | Ngk Spark Plug Co. | 1 |
| #4 | Hiroki Kobayakawa | Daido Metal Company | 1 |
| #4 | Masazumi Fukushima | Murata Kikai | 1 |
| #4 | Mikihito Yasui | Daido Metal Company | 1 |