Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8406830 | Radio frequency signal transmission system, radio frequency signal transmission connector and radio frequency signal transmission cable | Hisao Sakurai | 2013-03-26 |
| 7526032 | Sync signal insertion that breaks a maximum bit-run and has a particular detection distance between two or more sync patterns | Toshiyuki Nakagawa, Tatsuya Narahara | 2009-04-28 |
| 7474366 | Color liquid crystal display device | Shuichi Haga, Tatsuhiko Matsumoto, Tsuneo Kusunoki, Takahiro Igarashi, Takehiro Nakatsue | 2009-01-06 |
| 7283592 | Method and apparatus for modulating and demodulating data into a variable length code and a providing medium for implementing the method | Toshiyuki Nakagawa, Tatsuya Narahara | 2007-10-16 |
| 7266153 | Method and apparatus for modulating and demodulating data into a variable length code and a providing medium for implementing the method | Toshiyuki Nakagawa, Tatsuya Narahara | 2007-09-04 |
| 7200175 | Data-modulating apparatus, data-modulating method, data-demodulating apparatus, data-demodulating method, and data-providing medium | Toshiyuki Nakagawa, Tatsuya Narahara | 2007-04-03 |
| 7190726 | 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, Tatsuya Narahara | 2007-03-13 |
| 7188299 | Data-recording/reproduction apparatus and data-recording/reproduction method | Toshiyuki Nakagawa, Keitarou Kondou, Hiroaki Eto | 2007-03-06 |
| 7054373 | 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, Tatsuya Narahara | 2006-05-30 |
| 7050506 | 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, Tatsuya Narahara | 2006-05-23 |
| 7046735 | 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, Tatsuya Narahara | 2006-05-16 |
| 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, Tatsuya Narahara | 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, Tatsuya Narahara | 2006-01-03 |
| 6928602 | Encoding method and encoder | Hiroyuki Yamagishi | 2005-08-09 |
| 6879637 | Method and apparatus for modulating and demodulating data into a variable length code and a providing medium for implementing the method | Toshiyuki Nakagawa, Tatsuya Narahara | 2005-04-12 |
| 6359930 | Modulation device and method and distribution medium | Toshiyuki Nakagawa | 2002-03-19 |
| 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, Tatsuya Narahara, Kousuke Nakamura | 2001-08-14 |
| 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, Tatsuya Narahara +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, Tatsuya Narahara, Kousuke Nakamura | 2001-01-16 |
| 6172622 | Demodulating device, demodulating method and supply medium | Toshiyuki Nakagawa | 2001-01-09 |
| 6014096 | Data decoding method and device | Toshiyuki Nakagawa, Hiroyuki Ino, Shunji Yoshimura, Shinichi Kai, Michihiko Iida +2 more | 2000-01-11 |
| 5781131 | Data encoding method and data decoding method | Toshiyuki Nakagawa | 1998-07-14 |
| 5745582 | Audio signal transmitting apparatus audio signal receiving apparatus and audio signal transmitting and receiving system | Yasuyuki Chaki, Norihito Mihota, Takatsuna Sasaki | 1998-04-28 |
| 5699061 | Method and apparatus for generating NRZI code with limited runs of ones | — | 1997-12-16 |
| 5600315 | Modulating method and demodulating apparatus | Toshiyuki Nakagawa | 1997-02-04 |