Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hideshi Nishiyama | Brother Kogyo | 9 |
| 2 | Takahiro Ikeno | Brother Kogyo | 6 |
| 3 | Tsutomu Shibata | Ngk Spark Plug Co. | 2 |
| 3 | Yuji Hori | Ngk Insulators | 2 |
| #5 | Masao Hoshino | Fujitsu Limited | 1 |
| #5 | Masaaki Tsuchimori | Toyota Central R&D Labs | 1 |
| #5 | Kazuhisa Sawada | Kao | 1 |