Top Inventors at Idemitsu Kosan Co. 1997
Showing 1–46 of 46 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Masami Watanabe | 4 |
| 1 | Norio Tomotsu | 4 |
| 3 | Hiroshi Maezawa | 3 |
| 3 | Junichi Matsumoto | 3 |
| 3 | Takuji Okamoto | 3 |
| #6 | Ichiro Nasuno | 2 |
| #6 | Kazuyoshi Koike | 2 |
| #6 | Masashi Sakamoto | 2 |
| #6 | Mizutomo Takeuchi | 2 |
| #6 | Shuji Machida | 2 |
| #6 | Toshinori Tazaki | 2 |
| #6 | Yoshiaki Aoyama | 2 |
| #13 | Akihiko Kadota | 1 |
| #13 | Akira Kaijou | 1 |
| #13 | Akikazu Nakano | 1 |
| #13 | Fumio Moriwaki | 1 |
| #13 | Harutomo Ikeda | 1 |
| #13 | Haruo Shikuma | 1 |
| #13 | Hajime Shouzaki | 1 |
| #13 | Hiroyuki Endo | 1 |
| #13 | Hiroaki Koshima | 1 |
| #13 | Hideo Teshima | 1 |
| #13 | Kazufumi Nakamura | 1 |
| #13 | Kenji Mogami | 1 |
| #13 | Keiich Narita | 1 |
| #13 | Komei Yamasaki | 1 |
| #13 | Masahisa Goto | 1 |
| #13 | Masahisa Gotoh | 1 |
| #13 | Masahiko Kuramoto | 1 |
| #13 | Mitsuru Shibata | 1 |
| #13 | Nobuaki Shimizu | 1 |
| #13 | Satoshi Hachiya | 1 |
| #13 | Sabro Koyama | 1 |
| #13 | Shuichi Hiyamuta | 1 |
| #13 | Shinichi Kurokawa | 1 |
| #13 | Shinichi Miura | 1 |
| #13 | Shoji Naganuma | 1 |
| #13 | Tatsuya Egawa | 1 |
| #13 | Tahei Okada | 1 |
| #13 | Toshio Kudo | 1 |
| #13 | Tomiyasu Minokami | 1 |
| #13 | Tomomi Miyaji | 1 |
| #13 | Toshiyuki Tanedani | 1 |
| #13 | Tomio Tatsumi | 1 |
| #13 | Yasuhiro Kawaguchi | 1 |
| #13 | Yoshiaki Aiki | 1 |