Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673762 | Contaminated surface polishing-washing detergent composition | Motoharu Akiyama, Noriyuki Yoshimura | 2004-01-06 |
| 6670318 | Liquid cleanser | Motoharu Akiyama, Noriyuki Yoshimura | 2003-12-30 |
| 6573215 | Material for bearing rolling element | Rikuro Obara, Motoharu Akiyama | 2003-06-03 |
| 6494928 | Polishing compound for sheet metal coating | Motoharu Akiyama, Noriyuki Yoshimura | 2002-12-17 |
| 6395677 | Material for bearing retainer | Rikuro Obara, Motoharu Akiyama | 2002-05-28 |
| 5916499 | Method for producing porous carbon material product | Junichi Murayama, Kanji Matsuda, Shujun Shikano, Takehiko Takahashi | 1999-06-29 |
| 5850900 | Synchronizer ring having wood ceramics layer of friction member | Jin Takahashi, Toshihiro Okabe, Koji Saito | 1998-12-22 |