Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589918 | Conductive grease and rolling apparatus packed with the same | Katsuaki Denpo, Koichi Hachiya, Michiharu Naka, Tooru Shouda, Hideki Koizumi | 2003-07-08 |
| 6582130 | Rolling bearing and bearing apparatus | Katsuaki Denpo, Toru Syoda, Michiharu Naka, Yasuyuki Matsumoto | 2003-06-24 |
| 6548454 | Rolling apparatus containing a liquid fluorinated polymer oil and thickening agent | Toyohisa Yamamoto, Atsuhiro Yamamoto | 2003-04-15 |