Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6989731 | Notifying a user that a warning status has occurred in a device | Kenji Kawai, Koji Takahashi | 2006-01-24 |
| 6385177 | Image communication apparatus, method, and system, and image communication processing program contained in computer-readable medium | Hirofumi Suda, Kazuhiro Takahashi, Hideyuki Arai | 2002-05-07 |
| 6188834 | Device and method for recording and reproducing image information | Kiyoshi Kumagai, Toshihiko Nakajima | 2001-02-13 |
| 6134067 | Cassette device for using cassettes with and without a second recording medium in the cassette | Toshihiko Nakajima | 2000-10-17 |
| 5808841 | Recording and/or reproducing apparatus having rotary drum unit | Tatsuzo Ushiro | 1998-09-15 |
| 5793561 | Rotary drum assembly having dynamic-pressure generating mechanism between rotary shaft and bearing | Shoichi Ibaraki, Tatsuzo Ushiro, Toshihiko Nakajima, Takeshi Kawabe | 1998-08-11 |
| 5659400 | Information signal recording device for recording main information signal with index signal for rapidly and accurately searching main information signal | Kiyoshi Kumagai, Toshihiko Nakajima | 1997-08-19 |
| 5483401 | Rotary head drum having a connecting member for providing electrical conduction | Toshihiko Nakajima, Kiyoshi Kumagai | 1996-01-09 |
| 5355264 | Recording or reproducing apparatus | Osamu Nagatsuka, Tatsuzo Ushiro | 1994-10-11 |
| 5335129 | Interchangeable compact tape cassette | Tatsuzo Ushiro, Osamu Nagatsuka, Junji Kobayashi | 1994-08-02 |
| 5251080 | Tape loading and biasing device for recording or reproducing apparatus | Hidetoshi Matsuoka, Makoto Fujiki, Junji Kobayashi | 1993-10-05 |
| 5220475 | Rotary head drum unit with grooves or protrusions on a stationary drum for lessening tape contact during rewinding | Makoto Fujiki, Toshihiko Nakajima, Osamu Nagatsuka, Akira Tomitaka, Kiyoshi Kumagai | 1993-06-15 |
| 5153790 | Recording or reproducing apparatus having a reel braking member | Junji Kobayashi, Makoto Fujiki, Hidetoshi Matsuoka | 1992-10-06 |
| 5126892 | Rotating head type reproducing apparatus for reproducing an information signal from a record bearing medium having many parallel recording tracks and pilot signals of different frequencies | Kenichi Nagasawa | 1992-06-30 |
| 5107380 | Rotary head type recording or reproducing apparatus detecting the slack of the recording medium | Makoto Fujiki, Junji Kobayashi, Hidetoshi Matsuoka, Osamu Nagatsuka, Toshihiko Nakajima | 1992-04-21 |
| 5089919 | Tracking control information signal recording device | Susumu Kozuki, Kenichi Nagasawa, Unichi Sato, Nobutoshi Takayama | 1992-02-18 |
| 5087995 | Information signal reproducing apparatus for effecting tracking control by using three or more rotary heads | Kenichi Nagasawa | 1992-02-11 |
| 4991031 | Rotating head type reproducing apparatus | Nobutoshi Takayam, Susumu Kozuki, Masahiro Takei, Kenichi Nagasawa | 1991-02-05 |
| 4956725 | Image signal reproducing apparatus | Susumu Kozuki, Koji Takahashi, Tadayoshi Nakayama, Toshiyuki Masu | 1990-09-11 |
| 4910613 | Signal reproducing apparatus having means for intermittently moving tape-shaped record bearing medium | Toshiaki Mabuchi, Nobutoshi Takayama | 1990-03-20 |
| 4899236 | Recording or reproducing apparatus using container mounted strip-like recording medium | Takashi Itani, Takashi Narasawa, Tatsuzo Ushiro, Hiroshi Watanabe, Masahide Hasegawa | 1990-02-06 |
| 4879609 | Rotary head type recording apparatus having an erasing function based on recording mode | Susumu Kozuki, Koji Takahashi, Keiji Satoh, Kenichi Nagasawa, Mitsuhiro Otokawa | 1989-11-07 |
| 4873587 | Video signal reproducing apparatus with memory | Katsuji Yoshimura, Susumu Kozuki, Chikara Sato | 1989-10-10 |
| 4873591 | Tape loading device having pair of tape guide post units on pair of rotatable members | Takashi Kimura, Toshiya Yatomi | 1989-10-10 |
| 4870510 | Video signal reproducing apparatus using memory | Chikara Sato, Susumu Kozuki, Katsuji Yoshimura | 1989-09-26 |