Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7466219 | Communication device and distance calculation system | Shizuka Ishimura | 2008-12-16 |
| 7301467 | Position detection system, position detection method therefor, position detection communication device, and communication device | Shizuka Ishimura | 2007-11-27 |
| 7246180 | Connection-confirmable information processing system, connection-confirmable information processing apparatus, information processing method by which connection is conformable, recorder, recording system, recording method, method for recognizing correspondence between node and terminal, computer, terminal, and program recor | Junji Yoshida, Chiyoko Matsumi, Yukio Kurano, Tatsuro Juri, Masazumi Yamada | 2007-07-17 |
| 7068913 | Data processing system, recording/reproducing device, data processing method and file management method | Yukio Kurano, Masazumi Yamada, Tatsuro Juri, Masaaki Kobayashi, Yoshitomi Nagaoka +1 more | 2006-06-27 |
| 6711343 | DATA RECORDING/REPRODUCING DEVICE, FILE MANAGING METHOD, FILE INFORMATION GENERATING METHOD, FILE MANAGING METHOD, MANAGEMENT INFORMATION GENERATING DEVICE, MANAGEMENT INFORMATION ANALYZING DEVICE, AND MEDIUM | Chiyoko Matsumi, Masazumi Yamada, Junji Yoshida, Noriyuki Matsumoto, Hiroyuki Iltsuka | 2004-03-23 |
| 6567447 | Semiconductor laser device and semiconductor laser module using the same | Junji Yoshida, Naoki Tsukiji, Naoki Kimura, Jun Niekawa, Toshio Kimura +1 more | 2003-05-20 |
| 6532269 | Data transmitter, data receiver, processor, equipment managing device, equipment managing system, data transmitting-receiving system, and medium | Masazumi Yamada, Akira Usui, Masaaki Kobayashi, Hidetoshi Takeda | 2003-03-11 |
| 6508596 | Apparatus using a method for recording digital data including a data conversion or format conversion, and apparatus using the method | Chiyoko Matsumi, Ichiro Arimura, Masazumi Yamada, Tatsuro Juri, Yukio Kurano +2 more | 2003-01-21 |
| 6507819 | Sound signal processor for extracting sound signals from a composite digital sound signal | Junji Yoshida, Chiyoko Matsumi, Tatsuro Juri | 2003-01-14 |
| 6424478 | Apparatus for recording and reproducing digital data and method for the same | Shinji Hamai, Fumikazu Imai, Chiyoko Matsumi | 2002-07-23 |
| 6362928 | Apparatus for recording and reproducing digital data and method for the same | Shinji Hamai, Fumikazu Imai, Chiyoko Matsumi | 2002-03-26 |
| 6295406 | Digital signal recording apparatus for sampling and compressing signals according to various recording modes | Chiyoko Matsumi, Tatsuro Juri, Makoto Goto, Susumu Yamaguchi, Hideki Otaka +4 more | 2001-09-25 |
| 6266081 | Digital image data storage, data transfer and data broadcast apparatus and method | Tadashi Ono, Youichi Amano, Hiroyuki Uenaka, Masakazu Nishino, Yuji Fujiwara +1 more | 2001-07-24 |
| 6215950 | Digital signal recording apparatus | Chiyoko Matsumi, Tatsuro Juri, Makoto Goto, Susumu Yamaguchi, Hideki Otaka +4 more | 2001-04-10 |
| 6147823 | Method for recording digital data including a data conversion or format conversion, and apparatus using the method | Chiyoko Matsumi, Ichiro Arimura, Masazumi Yamada, Tatsuro Juri, Yukio Kurano +2 more | 2000-11-14 |
| 6141487 | Data recording/reproducing apparatus and method for high speed play | Yoshifumi Yanagawa, Tadashi Kunihira, Makoto Goto, Akihiro Takeuchi, Masazumi Yamada +2 more | 2000-10-31 |
| 6115537 | Digital signal recording and reproducing apparatus | Masazumi Yamada, Yukio Kurano, Kenji Kunitake, Yuzo Murakami, Chiyoko Matsumi +2 more | 2000-09-05 |
| 6069902 | Broadcast receiver, transmission control unit and recording/reproducing apparatus | Yukio Kurano, Masazumi Yamada, Hidetoshi Takeda, Hiroyuki Iitsuka | 2000-05-30 |
| 6049770 | Video and voice signal processing apparatus and sound signal processing apparatus | Junji Yoshida, Chiyoko Matsumi, Tatsuro Juri | 2000-04-11 |
| 6038094 | Digital data recording device having a rotary cylinder | Chiyoko Matsumi, Ichiro Arimura, Masazumi Yamada, Tatsuro Juri, Yukio Kurano +2 more | 2000-03-14 |
| 6031959 | Television signal recording and reproducing apparatus | Shinji Hamai, Masazumi Yamada, Tatsuro Juri, Masakazu Nishino, Shiro Kato +1 more | 2000-02-29 |
| 6018609 | Compressed television signal recording and reproducing apparatus | Masazumi Yamada | 2000-01-25 |
| 5982982 | Video signal processing apparatus | Tadashi Ono, Hiroyuki Uenaka, Masaaki Kobayashi, Souichirou Fujioka, Masataka Higuchi +1 more | 1999-11-09 |
| 5856890 | Digital data recording and reproducing apparatus with reliable error correcting coding and decoding | Shinji Hamai, Chiyoko Matsumi | 1999-01-05 |
| 5844739 | Method and apparatus for recording and reproducing digital data | Tetsuya Mizushima, Tatsuro Juri | 1998-12-01 |