Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449232 | Disk type determination method | Masaya Kuwahara, Shinichi Yamada, Hiroyuki Yamaguchi, Masuo Maruyama, Akihiro Sakaguchi +2 more | 2002-09-10 |
| 6344936 | Objective lens driving apparatus | Takeo Santo, Hiroshi Yamamoto, Kanji Wakabayashi | 2002-02-05 |