Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5870678 | Cordless telephone apparatus | Ikuhiro Yamamoto, Katsuyuki Kajiwara, Hideaki Muroi | 1999-02-09 |
| 5572575 | Cordless telephone system having speaker phone function | Ikuhiro Yamamoto | 1996-11-05 |