Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7485029 | Double face polishing apparatus | Harumichi Koyama, Masahiro Takeuchi, Yoichi Morozumi | 2009-02-03 |
| 6830505 | Polishing machine | Norihiko Moriya, Takumi Kobayashi, Atsushi Kajikura | 2004-12-14 |
| 6080048 | Polishing machine | Fuminari Kotagiri, Yoshio Nakamura, Yasuhide Denda, Haruo Sumizawa, Atsushi Kajikura | 2000-06-27 |