Top Inventors at Tokan Kogyo Co. All Time
Showing 1–36 of 36 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Takamitsu Isogai | 6 |
| 2 | Keiichi Takahashi | 4 |
| 2 | Tsukasa Yoshikawa | 4 |
| #4 | Kisaburo Yamaguchi | 3 |
| #5 | Hiroshi Aoyama | 2 |
| #5 | Hirohisa Komoda | 2 |
| #5 | Ichiro Kunihiro | 2 |
| #5 | Kikuya Hirakawa | 2 |
| #5 | Masatomo Ishihara | 2 |
| #5 | Masuo Kitamura | 2 |
| #5 | Masayuki Someya | 2 |
| #5 | Seiji Okabe | 2 |
| #5 | Taroh Monden | 2 |
| #5 | Yoshito Hisatomi | 2 |
| #5 | Yukio Sarusawa | 2 |
| #5 | Yusuke Tanaka | 2 |
| #17 | Hajime Yamada | 1 |
| #17 | Hideyuki Muroi | 1 |
| #17 | Kazuhisa Tamura | 1 |
| #17 | Kenji Aoki | 1 |
| #17 | Keita Iwamizu | 1 |
| #17 | Kenji Ozawa | 1 |
| #17 | Kenichi Takao | 1 |
| #17 | Kouzo Wakabayashi | 1 |
| #17 | Kunio Yamada | 1 |
| #17 | Masahiro Ogawa | 1 |
| #17 | Osamu Chujo | 1 |
| #17 | Shigeki Ikeda | 1 |
| #17 | Shoji Itoh | 1 |
| #17 | Souma Takamiya | 1 |
| #17 | Takeshi Isobe | 1 |
| #17 | Tetsuo Fukuoka | 1 |
| #17 | Toshiya Kasai | 1 |
| #17 | Yuji Nagase | 1 |
| #17 | Yukio Yanagawa | 1 |
| #17 | Akio Morita | 1 |