Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9843633 | Network device and information sharing system | Naofumi Shimazaki | 2017-12-12 |
| 9270243 | Volume control system, controller program of the volume control system, and audio output device of the volume control system | — | 2016-02-23 |
| 8781406 | Receiving apparatus | — | 2014-07-15 |
| 8618403 | Tone control apparatus | Yoshio Misu | 2013-12-31 |
| 8253618 | Remote controller | Tadaharu Sunaga, Naoki Hamada, Yoshimichi Kawata, Takumi Tanaka | 2012-08-28 |
| 8184958 | Audio-video player and event determination device | Hideyuki Sawada, Dai Shimozawa | 2012-05-22 |
| 7818482 | Amplifier connected to and identifying plurality of content reproducing devices with respective audio speakers | Dai Shimozawa, Kenji Handa | 2010-10-19 |
| 7683920 | Image sending/receiving device | Koji Kitayama | 2010-03-23 |
| 7548494 | Audio system, and disc reproduction device and audio output control device for use therein | Dai Shimozawa | 2009-06-16 |
| 7466363 | AV system including amplifier and content reproducing device with connection-based on screen display | Dai Shimozawa | 2008-12-16 |
| 5270249 | Fabrication process of a semiconductor device having a reduced parasitic capacitance | — | 1993-12-14 |
| 4799089 | Semiconductor memory device | Masashi Sato | 1989-01-17 |