Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7046736 | Method and apparatus for modulating and demodulating data into a variable-length code and providing a sync signal to the train of codes | Toshiyuki Nakagawa, Yoshihide Shimpuku | 2006-05-16 |
| 6983022 | Method and apparatus for modulating and demodulating data into a variable-length code and providing a sync signal to the train of codes | Toshiyuki Nakagawa, Yoshihide Shimpuku | 2006-01-03 |
| 6879637 | Method and apparatus for modulating and demodulating data into a variable length code and a providing medium for implementing the method | Toshiyuki Nakagawa, Yoshihide Shimpuku | 2005-04-12 |
| 6826133 | Optimizing a distance between lenses of a two objective lens for minimizing wavefront aberration and offsetting focus control | Isao Ichimura, Kiyoshi Osato | 2004-11-30 |
| 6677866 | Modulation apparatus/method, demodulation apparatus/method and program presenting medium | Josephus Arnoldus Henricus Maria Kahlman, Kornelis A. Schouhamer Immink, Gijsbert J. Van Den Enden, Toshiyuki Nakagawa, Yoshihide Shinpuku +1 more | 2004-01-13 |
| 6496541 | Modulation apparatus/method, demodulation apparatus/method and program presenting medium | Josephus Arnoldus Henricus Maria Kahlman, Kornelis A. Schouhamer Immink, Gijsbert J. Van Den Enden, Toshiyuki Nakagawa, Yoshihide Shinpuku +1 more | 2002-12-17 |
| 6367049 | Encoding multiword information by wordwise interleaving | Marten Van Dijk, Ludovicus Marinus Gerardus Maria Tolhuizen, Josephus Arnoldus Henricus Maria Kahlman, Constant P. M. J. Baggen, Masayuk Hattori +2 more | 2002-04-02 |
| 6313764 | Demodulating device, demodulating method and transmission medium | Toshiyuki Nakagawa, Yoshihide Shinpuku | 2001-11-06 |
| 6275175 | Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa | Josephus Arnoldus Henricus Maria Kahlman, Toshiyuki Nakagawa, Yoshihide Shimpuku, Kousuke Nakamura | 2001-08-14 |
| 6262950 | Optical disc recording method and access method, optical disc, optical disc recording apparatus, and optical disc apparatus | Shoei Kobayashi | 2001-07-17 |
| 6225921 | Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa | Josephus Arnoldus Henricus Maria Kahlman, Kornelis A. Schouhamer Immink, Gijsbert J. Van Den Enden, Toshiyuki Nakagawa, Yoshihide Shimpuku +1 more | 2001-05-01 |
| 6175318 | Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa | Josephus Arnoldus Henricus Maria Kahlman, Toshiyuki Nakagawa, Yoshihide Shimpuku, Kousuke Nakamura | 2001-01-16 |
| 6091347 | Device and method for modulation and transmission medium | Toshiyuki Nakagawa, Yoshihide Shinpuku | 2000-07-18 |
| 5938791 | Device for detecting margin of information recording and reproducing apparatus | — | 1999-08-17 |
| 5734634 | Recording method and recording equipment of optical disc reproducing method and reproducing equipment of optical disc | Masumi Ono | 1998-03-31 |
| 5694379 | Magneto-optical recording medium and recording apparatus therefor | Katsuhisa Aratani, Atsushi Fukumoto, Shin Masuhara | 1997-12-02 |
| 5559766 | Rotary drum tape recording apparatus with controlling optical recording tracks using stored results of scanning of reference tracks | Takashi Nakao, Kiyoshi Ohsato, Yoshiteru Kamatani, Tadashi Ozue | 1996-09-24 |
| 5465241 | Optical tape recording and reproducing apparatus | — | 1995-11-07 |
| 5265084 | Rotary drum assembly with pump-out spiral grooves | Tadashi Ozue, Yoshiteru Kamatani | 1993-11-23 |
| 5239528 | Optical head control circuit for optical tape recording/reproducing apparatus | Yoshiteru Kamatani, Kiyoshi Ohsato, Hiroshi Miyoshi | 1993-08-24 |
| 5157650 | Optical recording apparatus | Tadashi Ozue, Masahiko Chaya | 1992-10-20 |
| 5155720 | Servo control circuit for image rotator | Yoshiteru Kamatani, Takashi Nakao, Hiroshi Miyoshi | 1992-10-13 |
| 5138603 | System and method for processing optical information with tracking error compensated | Masahiko Chaya | 1992-08-11 |
| 5128919 | Apparatus for reproducing an optically recorded information | Masahiko Chaya | 1992-07-07 |
| 5063555 | Rotary optical head | Hiroshi Miyoshi, Yoshiteru Kamatani, Tadashi Ozue, Kiyoshi Ohsato | 1991-11-05 |