Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469575 | Circuit for amplifying and outputting audio signals | Masashi Oki | 2002-10-22 |
| 6337942 | Optical fiber | Takatoshi Kato, Mitsuomi Hada, Shinjiro Hagihara, Morio Watanabe, Kohei Kobayashi | 2002-01-08 |