Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454241 | Rolling device | Hiroyuki Uchida, Takamasa Ohira, Haruo Kamijo, Tsuyoshi Saito, Dai Kinno +8 more | 2013-06-04 |
| 6689721 | Conductive grease and rolling apparatus packed with the same | Katsuaki Denpo, Atsushi Yokouchi, Koichi Hachiya, Michiharu Naka, Hideki Koizumi | 2004-02-10 |
| 6589918 | Conductive grease and rolling apparatus packed with the same | Katsuaki Denpo, Atsushi Yokouchi, Koichi Hachiya, Michiharu Naka, Hideki Koizumi | 2003-07-08 |