Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419997 | Guide bush and method of forming hard carbon film over the inner surface of the guide bush | Yukio Miya, Osamu Sugiyama, Ryota Koike, Takashi Toida, Kunihiko Kokubo | 2002-07-16 |