Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8541733 | Laser light detection circuit | Takahiro Kawashima | 2013-09-24 |
| 8427917 | Optical pickup apparatus, integrated circuit, and method for controlling laser output of optical pickup apparatus | Hisayoshi Uchiyama, Masashi Arai, Hiroshi Kojima | 2013-04-23 |
| 8279002 | Variable gain amplifier circuit | Takahiro Kawashima | 2012-10-02 |