Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12250471 | Imaging element, imaging method, and imaging device | Jun Nishikawa, Hiroshi Sumihiro | 2025-03-11 |
| 11089289 | Image processing device, imaging device, image processing method and program | Kazuyuki Yamamoto, Shuzo Sato, Takayuki Yoshigahara, Jun Murayama, Ken Nishida +1 more | 2021-08-10 |
| 7783895 | Method and apparatus for encrypting data to be secured and inputting/outputting the same | Yoshihiro Hori, Yuichi Kanai, Ryoji Ohno, Kenichiro Tada, Tatsuya Hirai +2 more | 2010-08-24 |
| 7778517 | Information recording device, information reproduction device, information recording method, information reproduction method, information recording program, information reproduction program, and information recording medium | Yuichi Kanai, Yoshihiro Hori, Ryoji Ohno, Kenichiro Tada, Tatsuya Hirai | 2010-08-17 |
| 7721346 | Method and apparatus for encrypting data to be secured and inputting/outputting the same | Yoshihiro Hori, Yuichi Kanai, Ryoji Ohno, Kenichiro Tada, Tatsuya Hirai +2 more | 2010-05-18 |
| 7716746 | Data storing device for classified data | Yoshihiro Hori, Ryoji Ohno, Akihiro Tozaki, Kenichiro Tada, Tatsuya Hirai +2 more | 2010-05-11 |
| 7433578 | Information recording device, information reproduction device, information recording method, information reproduction method, information recording program, information reproduction program, and information recording medium | Yuichi Kanai, Yoshihiro Hori, Ryoji Ohno, Kenichiro Tada, Akihiro Tozaki +1 more | 2008-10-07 |
| 7421188 | Information edition device, information edition method, information edition program, and information recording medium | Yuichi Kanai, Yoshihiro Hori, Ryoji Ohno, Kenichiro Tada, Akihiro Tozaki +1 more | 2008-09-02 |
| 7146507 | Information recording apparatus having function of encrypting information | Tomoyuki Shindo | 2006-12-05 |
| 7058770 | Method and apparatus for controlling the recording of digital information, by using unit management table | Yuichi Kanai, Yoshihiro Hori, Ryoji Ohno, Kenichiro Tada, Tatsuya Hirai +1 more | 2006-06-06 |
| 7027718 | Packet data recording/reproducing system | Tsuyoshi Suzuki, Yasuaki Yamada, Tomoyuki Shindo, Yutaka Tanaka | 2006-04-11 |
| 6983369 | Authentication system, and contents-information sender and receiver | — | 2006-01-03 |
| 6681076 | Magnetic recording and reproducing apparatus for automatically setting the traveling speed of the recording medium in accordance with the transmission rate of the input digital signal | Mitsuo Fujita | 2004-01-20 |
| 6643347 | Clock signal generation apparatus | — | 2003-11-04 |
| 6487720 | Apparatus for receiving digital broadcast signal and apparatus for recording and reproducing digital broadcast information included in the digital broadcast signal | — | 2002-11-26 |
| 6345079 | Clock signal generation apparatus | — | 2002-02-05 |
| 6334024 | Helical scan data recording apparatus and a helical scan data reproducing apparatus | Mitsuo Harumatsu, Seiji Higurashi | 2001-12-25 |
| 6317557 | Digital signal recording method and apparatus and recording medium therefor | Seiji Higurashi, Mitsuo Harumatsu | 2001-11-13 |
| 6288857 | Digital signal recording apparatus, and related method | Seiji Higurashi, Yoichi Zenno | 2001-09-11 |
| 6198585 | Digital signal recording apparatus, and related method | Seiji Higurashi, Yoichi Zenno | 2001-03-06 |
| 6169846 | Compressed video data recording method and recording apparatus providing improved performance during variable-speed playback | — | 2001-01-02 |
| 6134374 | Method and apparatus for processing picture information, and recording medium | Mitsuo Harumatsu | 2000-10-17 |
| 6108148 | Method, device, and medium for recording digital signal | Seiji Higurashi, Mitsuo Harumatsu | 2000-08-22 |
| 6097876 | Magnetic recording and reproducing apparatus for digital signals transmitted at variable data rate | Mitsuo Fujita | 2000-08-01 |
| 6026213 | Digital signal recording method and apparatus and recording medium therefor | Seiji Higurashi, Mitsuo Harumatsu | 2000-02-15 |