Showing 1–24 of 24 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tohru Matsumoto | Ricoh Company | 3 |
| 2 | Shigeoki Mori | Tokyo Electron Limited | 2 |
| 2 | Kenji Hirai | Sagami Chemical Research Center | 2 |
| #4 | Takeo Yoshioka | Mercian | 1 |
| #4 | Hideki Irie | Ikeda Bussan Co. | 1 |
| #4 | Kiyoshi Ikemoto | Speedfam Co. | 1 |
| #4 | Hideto Kuramochi | Tosoh | 1 |
| #4 | Shigenobu Minami | Kabushiki Kaisha Toshiba | 1 |
| #4 | Tadashi Watai | Oiles | 1 |
| #4 | Satoshi Tsuji | IBM | 1 |
| #4 | Yoshio Imamura | Meiko Electronics Co. | 1 |
| #4 | Moriyuki Eguchi | Ikeda Bussan Co. | 1 |
| #4 | Norio Yanagishita | Ikeda Bussan Co. | 1 |
| #4 | Takeo Akiyama | Konica | 1 |
| #4 | Takasi Ouchiyama | Fuji Oozx | 1 |
| #4 | Tsunoru Higashi | — | 1 |
| #4 | Shinichirou Maruyama | Molex | 1 |
| #4 | Masayoshi Izumi | Oiles | 1 |
| #4 | Kingo Miyasaka | Oiles Industry Co. | 1 |
| #4 | Tomoaki Kikuchi | Canon | 1 |
| #4 | Naotaka Yamamoto | Isuzu Motors Limited | 1 |
| #4 | Osamu Matsunaga | Sony | 1 |
| #4 | Yutaka Takizawa | Fujitsu Limited | 1 |
| #4 | Masanobu Kikuchi | Ikeda Bussan Co. | 1 |