Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |