Top Inventors at Idemitsu Kosan Co. 2004
Showing 1–45 of 45 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Chishio Hosokawa | 9 |
| 2 | Hidetsugu Ikeda | 4 |
| 3 | Kenichi Fukuoka | 3 |
| 3 | Sanae Tagami | 3 |
| 3 | Tetsuya Fukunaga | 3 |
| 3 | Toshio Sakai | 3 |
| #7 | Eiichi Nakamura | 2 |
| #7 | Hisayuki Kawamura | 2 |
| #7 | Hiroshi Tokailin | 2 |
| #7 | Masakazu Funahashi | 2 |
| #7 | Takashi Arakane | 2 |
| #7 | Toshinori Tazaki | 2 |
| #13 | Akihisa Ogawa | 1 |
| #13 | Hiromasa Arai | 1 |
| #13 | Hiroyuki Endo | 1 |
| #13 | Hitoshi Hata | 1 |
| #13 | Hisahiro Higashi | 1 |
| #13 | Hideto Kamimura | 1 |
| #13 | Hiroshi Kawasaki | 1 |
| #13 | Hidetoshi Koga | 1 |
| #13 | Hisashi Machida | 1 |
| #13 | Hiromichi Seiki | 1 |
| #13 | Hiroki Sekiguchi | 1 |
| #13 | Hiroshi Tokairin | 1 |
| #13 | Hirotaka Yamazaki | 1 |
| #13 | Ichiro Nasuno | 1 |
| #13 | Junichi Deshimaru | 1 |
| #13 | Kazuyoshi Inoue | 1 |
| #13 | Kazufumi Nakamura | 1 |
| #13 | Kazuhiko Suzuki | 1 |
| #13 | Kozo Takatsu | 1 |
| #13 | Masatoshi Saitou | 1 |
| #13 | Masashi Sakamoto | 1 |
| #13 | Masatoshi Shibata | 1 |
| #13 | Mitsuru Eida | 1 |
| #13 | Minoyuki Kubota | 1 |
| #13 | Nobuaki Watanabe | 1 |
| #13 | Satoshi Hachiya | 1 |
| #13 | Shigeru Kamimori | 1 |
| #13 | Shinichiro OGAWA | 1 |
| #13 | Shuichi Sakanoue | 1 |
| #13 | Tadao Shibuya | 1 |
| #13 | Tokuyuki Yoshimoto | 1 |
| #13 | Yoshikazu Nagasaki | 1 |
| #13 | Yutaka Takakura | 1 |