Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7068913 | Data processing system, recording/reproducing device, data processing method and file management method | Yukio Kurano, Masazumi Yamada, Akira Iketani, Tatsuro Juri, Masaaki Kobayashi +1 more | 2006-06-27 |
| 7006507 | Digital home information integrating system | Reiji Sano, Masashi Kanno, Yoshiaki Kushiki, Nobuhisa Ito, Tsutomu Asabe +2 more | 2006-02-28 |
| 6661798 | Digital home information integrating system | Reiji Sano, Masashi Kanno, Yoshiaki Kushiki, Nobuhisa Ito, Tsutomu Asabe +2 more | 2003-12-09 |
| 6614846 | Method and apparatus for transmitting, encoding and decoding video signal and recording/reproducing method of optical disc | Yuji Fujiwara, Masakazu Nishino, Seiichi Takeuchi, Kazuhiro Wake, Akifumi Ide +2 more | 2003-09-02 |
| 5130862 | Coding apparatus for converting digital signals into ternary signals whose DC component is equal to zero | Masaaki Kobayashi, Masafumi Shimotashiro, Toyohiko Matsuda | 1992-07-14 |
| 4972272 | Multi-channel video tape recorder/player having multiple pairs of video heads | Yoshihiro Morioka, Masaaki Kobayashi | 1990-11-20 |
| 4873583 | Magnetic tape recording/reproducing apparatus | Masaaki Kobayashi, Kazuhiro Yamanishi, Akihiro Takeuchi | 1989-10-10 |
| 4864421 | System for connecting a video signal recording/reproducing apparatus and a television receiver | Yoshihiro Morioka, Masaaki Kobayashi, Akihiro Takeuchi, Noriaki Gentsu, Sakon Nagasaki | 1989-09-05 |
| 4850692 | Semiconductor light position detector for rangefinder | Yoshiaki Hirao, Ryuichiro Kuga, Hiroyuki Asakura, Shusuke Ono, Shinji Hataji +1 more | 1989-07-25 |
| 4849813 | Video camera with high-speed scanning | Yoshiaki Hirao, Ryuichiro Kuga, Teruyoshi Miura | 1989-07-18 |
| 4842388 | Single optical lense with diffraction limit converging capability and wide field angle | Yasuhiro Tanaka, Yasuo Nakajima | 1989-06-27 |
| 4811117 | Video tape recorder for recording and reproducing two-channel component signals of a video signal on a magnetic tape using two pair of heads and alternately delayed signals | Yoshihiro Morioka, Masaaki Kobayashi | 1989-03-07 |
| 4811119 | Apparatus for high-density minimal crosstalk recording and reproducing of terminance and chrominance signals using a magnetic tape | Masaaki Kobayashi, Akihiro Takeuchi, Kazuhiro Yamanishi, Sukeichi Miki | 1989-03-07 |
| 4810076 | Selective shading device and an optical device using the same | Tsugio Murao, Yoshiharu Yamamoto, Kenichi Ikeda, Yasuo Nakajima | 1989-03-07 |
| 4792218 | Projection lens for high definition TV | Yasuo Nakajima, Yoshiharu Yamamoto | 1988-12-20 |
| 4761690 | Video tape recorder with particular format chrominance and luminance information | Kazuhiro Yamanishi, Masaaki Kobayashi, Akihiro Takeuchi, Atsuo Ochi | 1988-08-02 |
| 4758764 | Light-emitting device for automatic focus adjustment apparatus | Ryuichiro Kuga, Yoshiaki Hirao, Hiroyuki Asakura | 1988-07-19 |
| 4704009 | Projection lens | Yoshiharu Yamamoto, Yoshito Miyatake, Yasuo Nakajima, Syusuke Ono | 1987-11-03 |
| 4690515 | Compact projection lens | Yasuo Nakajima, Yoshiharu Yamamoto, Yoshito Miyatake, Shusuke Ono | 1987-09-01 |
| 4673274 | Automatic focusing apparatus for camera | Yoshiteru Matsuda, Yoshiaki Hirao, Ryuichiro Kuga, Hiroyuki Asakura | 1987-06-16 |
| 4621292 | Automatic focusing device for a video camera | Yoshiaki Hirao, Ryuichiro Kuga | 1986-11-04 |
| 4591736 | Pulse signal amplitude storage-holding apparatus | Yoshiaki Hirao | 1986-05-27 |
| 4548480 | Projection lens apparatus | Yoshiharu Yamamoto, Yasuo Nakajima | 1985-10-22 |
| 4453178 | Projection television apparatus | Yoshito Miyatake, Yasuo Nakajima | 1984-06-05 |
| 4400722 | Optical configuration for projection television apparatus | Yoshito Miyatake, Yasuo Nakajima | 1983-08-23 |