Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8107330 | Information recording and reproducing apparatus | Yoshihisa Suzuki, Satoshi Sumi, Kenji Nakao, Noboru Mamiya, Hideharu Toda +1 more | 2012-01-31 |
| 7936251 | Alerting device and radio communication device having the alerting device | Hirokazu Genno | 2011-05-03 |
| 6529455 | Disk apparatus with enhanced focal positioning | Tadashi Okajima, Koichi Tada | 2003-03-04 |
| 6404085 | Vibration generator for reporting and portable communication equipment using the same | Kouichi Kawakami | 2002-06-11 |
| 6281785 | Vibration generator for notification and portable communication device using the vibration generator | — | 2001-08-28 |
| 6255937 | Notifying device using alternating drive signals | — | 2001-07-03 |
| 6091561 | Magnetic recording/reproduction apparatus which simultaneously scans two continuous tracks in both standard and long play modes | — | 2000-07-18 |
| 5794873 | Magnetic recording-reproduction apparatus having movable reel supports | — | 1998-08-18 |
| 5757577 | Magnetic recording-playback apparatus for cassettes of two different sizes | Kenji Yamanaka, Masahiro Moriyama, Hiroshi Nakashima | 1998-05-26 |
| 5619385 | Video tape recorder carrying out field extraction recording and/or reproduction of a video signal | Kouichi Kawakami, Satoru Kuge, Yoshiaki Maida | 1997-04-08 |
| 5594596 | Video tape recorder carrying out field extraction recording and/or reproduction of a video signal | Kouichi Kawakami, Satoru Kuge, Yoshiaki Maida | 1997-01-14 |
| 5251195 | Disc player with simplified lifting and lowering mechanism | Kouichi Kawakami, Masahiro Moriyama, Hiroki Koba | 1993-10-05 |