Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11024777 | Light source device | Kazuhiko Yamanaka, Kenichi Matsumoto, Hideo Yamaguchi, Wakahiko Okazaki, Yasuhiko Enami +2 more | 2021-06-01 |
| 10771840 | Sink device | Yoshihiro Moriie, Akihiro Fuke, Hiroaki Nakayama, Takuma Adachi | 2020-09-08 |
| 7957544 | Audio signal output control device that suppresses pop sound | Tetsuro Sugioka, Kiyomi Kimura | 2011-06-07 |
| 7838919 | Capacitor structure | Kiyomi Okamoto, Tetsurou Sugioka | 2010-11-23 |
| 7425673 | Tone output device and integrated circuit for tone output | Kosei Fujisaka, Tetsuro Sugioka, Kiyomi Kimura, Tsuyoshi Takayama | 2008-09-16 |