Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7088954 | Wireless communication device | Tai Miyagawa, Tetsuo Onodera | 2006-08-08 |
| 4586194 | Earphone characteristic measuring device | Makoto Kohashi, Tanetoshi Miura, Haruo Hamada | 1986-04-29 |