Issued Patents All Time
Showing 76–100 of 105 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7406636 | Method of recording/reproducing digital data and apparatus for same | Taku Hoshizawa, Shigeki Taira | 2008-07-29 |
| 7379547 | Reproducing apparatus, recording apparatus and display apparatus | Toshifumi Takeuchi, Hiroyuki Kimura, Takao Arai, Hiroshi Yoshiura | 2008-05-27 |
| 7336786 | Reproduction apparatus | Masaru Takahashi, Toshifumi Takeuchi | 2008-02-26 |
| 7317738 | Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor | Toshifumi Takeuchi, Hiroshi Yoshiura, Takao Arai | 2008-01-08 |
| 7305606 | Method of recording/reproducing digital data and apparatus for same | Taku Hoshizawa, Shigeki Taira | 2007-12-04 |
| 7281194 | Recording method for recording data on a recording medium | Taku Hoshizawa, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama | 2007-10-09 |
| 7248607 | Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor | Toshifumi Takeuchi, Hiroshi Yoshiura, Takao Arai | 2007-07-24 |
| 7155015 | Optical disk apparatus and data randomizing method using for optical disk apparatus | Yukari Katayama, Takeshi Maeda, Shigeki Taira, Harukazu Miyamoto | 2006-12-26 |
| 7116893 | Data recording/reproduction apparatus and method | Toshifumi Takeuchi, Takao Arai, Hiroyuki Kimura | 2006-10-03 |
| 7043645 | Reproducing apparatus, recording apparatus and display apparatus | Toshifumi Takeuchi, Hiroyuki Kimura, Takao Arai, Hiroshi Yoshiura | 2006-05-09 |
| 7019927 | Information signal recording and playback method and apparatus therefor | Seiichi Saito, Toshifumi Takeuchi, Masafumi Nakamura, Junji Shiokawa | 2006-03-28 |
| 6918079 | Recording method, reproducing method, recording apparatus, and reproducing apparatus | Taku Hoshizawa, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama | 2005-07-12 |
| 6882728 | Reproduction apparatus and decoding apparatus | Masaru Takahashi, Toshifumi Takeuchi | 2005-04-19 |
| 6778757 | Data recording/reproduction apparatus and method | Toshifumi Takeuchi, Takao Arai, Hiroyuki Kimura | 2004-08-17 |
| 6657831 | Information signal recording and playback method and apparatus therefor | Seiichi Saito, Toshifumi Takeuchi, Masafumi Nakamura, Junji Shiokawa | 2003-12-02 |
| 6578149 | METHOD FOR REPRODUCING DATA, APPARATUS FOR REPRODUCING DATA, METHOD FOR CODING DATA, METHOD FOR RECORDING DATA, APPARATUS FOR RECORDING AND REPRODUCING DATA, METHOD FOR AUTHENTICATION, SEMICONDUCTOR CHIP, REPRODUCING APPARATUS, RECORDING APPARATUS AND DATA PROCESSING APPARATUS | Toshifumi Takeuchi, Hiroyuki Kimura, Takao Arai, Hiroshi Yoshiura | 2003-06-10 |
| 6424477 | Information signal recording and playback method and apparatus therefor | Seiichi Saito, Toshifumi Takeuchi, Masafumi Nakamura, Junji Shiokawa | 2002-07-23 |
| 6404781 | Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor | Toshifumi Takeuchi, Hiroshi Yoshiura, Takao Arai | 2002-06-11 |
| 6347353 | Information medium having digital signals recorded thereon | Hiroshi Hirayama, Masayuki Hirabayashi, Yutaka Nagai, Toshifumi Takeuchi | 2002-02-12 |
| 6332174 | Digital signal reproducing apparatus | Hiroshi Hirayama, Masayuki Hirabayashi, Yutaka Nagai, Toshifumi Takeuchi | 2001-12-18 |
| 6324618 | Optical disk reproducing apparatus | Hiroshi Hirayama, Masayuki Hirabayashi, Yutaka Nagai, Toshifumi Takeuchi | 2001-11-27 |
| 6233649 | Digital signal reproducing method | Hiroshi Hirayama, Masayuki Hirabayashi, Yutaka Nagai, Toshifumi Takeuchi | 2001-05-15 |
| 6154806 | Method for recording digital signals on multiple-layered disks | Hiroshi Hirayama, Masayuki Hirabayashi, Yutaka Nagai, Toshifumi Takeuchi | 2000-11-28 |
| 6076135 | Information medium having a plurality of recording surfaces | Hiroshi Hirayama, Masayuki Hirabayashi, Yutaka Nagai, Toshifumi Takeuchi | 2000-06-13 |
| 6014766 | Digital signal reproduction apparatus | Yutaka Nagai, Shuichi Sagano, Yoshifumi Takeuchi, Taku Hoshizawa | 2000-01-11 |