Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11950049 | Acoustic reflector, speaker unit, and chair | Takahiro Hayasaka, Tsutomu Toyoguchi | 2024-04-02 |
| 6323752 | Electronic instrument having resettable security code and method for resetting security code | Yuji Takizawa | 2001-11-27 |