Top Inventors at Katayama Chemical All Time
Showing 1–42 of 42 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Sakae Katayama | 8 |
| 2 | Hidenori Hirashima | 4 |
| 2 | Kunio Nishimura | 4 |
| 2 | Yosuke Ito | 4 |
| 2 | Yoshiharu Wakao | 4 |
| #6 | Katsuji Tsuji | 3 |
| #6 | Masaharu Uno | 3 |
| #6 | Yoshinori Nishiki | 3 |
| #9 | Takashi Mizumori | 2 |
| #9 | Takuro Tabuchi | 2 |
| #9 | Yasuo Fukuyo | 2 |
| #9 | Yasuo Nakajima | 2 |
| #9 | Yoichi Sano | 2 |
| #9 | Akira Katsumoto | 2 |
| #15 | Atsushi Tsuda | 1 |
| #15 | Genzo Yamane | 1 |
| #15 | Hiroshi Asai | 1 |
| #15 | Hiroshi Hasegawa | 1 |
| #15 | Hideo Kawamoto | 1 |
| #15 | Hideaki Shimomoto | 1 |
| #15 | Junji Hayashi | 1 |
| #15 | Kazuo Marugame | 1 |
| #15 | Kenzi Hanno | 1 |
| #15 | Kenji Hanno | 1 |
| #15 | Keisho Nakanishi | 1 |
| #15 | Keiji Ohki | 1 |
| #15 | Mamoru Matsumoto | 1 |
| #15 | Masatsune Okuma | 1 |
| #15 | Sadaoki Kanada | 1 |
| #15 | Shinichi Matsumoto | 1 |
| #15 | Shuhei Wakita | 1 |
| #15 | Syuzo Egusa | 1 |
| #15 | Takahito Ikeshita | 1 |
| #15 | Takeaki Kikuchi | 1 |
| #15 | Takayuki Shimamune | 1 |
| #15 | Takashi Syouji | 1 |
| #15 | Toru Yasunaga | 1 |
| #15 | Yasuhiro Nomura | 1 |
| #15 | Yoshimasa Yamada | 1 |
| #15 | Yuji Fuchino | 1 |
| #15 | Yutaka Morita | 1 |
| #15 | Akio Ogisu | 1 |