Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404979 | Optical disk and optical disk reproduction apparatus | Hideaki Suzuki, Masafumi Nakamura, Yutaka Nagai, Toshifumi Takeuchi | 2002-06-11 |
| 6347353 | Information medium having digital signals recorded thereon | Hiroshi Hirayama, Osamu Kawamae, Yutaka Nagai, Toshifumi Takeuchi | 2002-02-12 |
| D452842 | Adapter | Terutomo Kajiwara, Hirotaka Yamamoto | 2002-01-08 |