Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11862978 | Power supply system, control system and power control method for power supply system | Tohru Watanabe, Takashi Iida, Shinya Nishikawa, Kazufumi Nishikawa | 2024-01-02 |
| 6411138 | Buzzer drive circuit | Hirotsugu Matsuura, Manabu Matsuo | 2002-06-25 |