Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masayuki Takahashi | Sumitomo Electric Industries | 194 |
| 2 | Takao Yamamoto | Honda Motor Co. | 153 |
| 3 | Hideki Kato | Seiko Epson | 131 |
| #4 | Hitoshi Abe | Nidek Co. | 96 |
| #5 | Hiroshi Miyata | Toyota | 73 |
| #6 | Akito Sato | Seiko Epson | 68 |
| #7 | Yuichi Harada | Fuji Electric Co. | 60 |
| #8 | Takahiro Koyama | Sony | 59 |
| #8 | Masatoshi Ito | Toyota | 59 |
| #10 | Yasuhiko Onishi | Fuji Electric Co. | 55 |
| #11 | Takafumi Yamada | Fuji Electric Co. | 49 |
| #12 | Kenji Matsuura | Panasonic | 44 |
| #13 | Shoji Ono | Ngk Spark Plug Co. | 24 |
| #14 | Toshifumi Yamaji | Sanyo Electric Co. | 19 |
| #15 | Takahito Kojima | Fuji Electric Co. | 14 |
| #16 | Yohei Shibata | Seiko Epson | 12 |
| #17 | Hiroshi Kusama | Mitsubishi Electric | 3 |
| #17 | Tomonori Miyajima | Toyotomi Co. | 3 |