Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8150089 | Wireless microphone and apparatus for fixing transmitter of the wireless microphone | Yoshio Segawa | 2012-04-03 |
| 7753599 | Accessories and accessory attaching devices with retractable externally threaded member | Yoshio Segawa | 2010-07-13 |
| 6690283 | Protective device and communication device | Waichi Horiuchi, Tadamichi Koike | 2004-02-10 |