Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10334694 | Light emission control circuit, light source device, and projection type video display apparatus | Atsushi Yamada, Kei ISHIMARU | 2019-06-25 |
| 10036945 | Light emission control circuit, light source apparatus, and projection-type video display device | Atsushi Yamada, Kei ISHIMARU | 2018-07-31 |
| 9985697 | Circuit device, electronic device, and drive method for resonant circuit | — | 2018-05-29 |
| 8258771 | Circuit device, electronic apparatus, and power supply method | Hisao Sato, Atsushi Yamada, Toshikazu Kuwano, Yasuhiro Takahashi | 2012-09-04 |