Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8010363 | Commercial detection apparatus and video playback apparatus | Tatsuo Koga, Yuji Yamamoto, Ryosuke Ohtsuki | 2011-08-30 |
| 7985915 | Musical piece matching judging device, musical piece recording device, musical piece matching judging method, musical piece recording method, musical piece matching judging program, and musical piece recording program | Yuji Yamamoto, Tatsuo Koga, Ryosuke Ohtsuki | 2011-07-26 |
| D635035 | Time recorder | — | 2011-03-29 |