Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830660 | Method for producing metallurgical coke | Seiji Sakamoto, Katsutoshi Igawa, Shizuki Kasaoka, Toshiro Sawada, Koichi Shinohara +2 more | 2004-12-14 |
| 6729769 | Tire wheel bearing apparatus | Koji Sahashi, Motoharu Niki, Eiji Tajima, Akira Torii, Kazuhiko Hozumi +5 more | 2004-05-04 |
| 6682577 | Soil modifier | Yasuyuki Yamaguchi, Takuya Tsubota, Ryoichi Nagata | 2004-01-27 |