Issued Patents All Time
Showing 1–25 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8130614 | Optical storage medium, information recording apparatus, and information reproducing apparatus | Shin-ichi Kadowaki, Masaru Yamaoka, Takashi Yumiba, Toyoji Gushima, Makoto Usui +1 more | 2012-03-06 |
| 8027237 | Optical storage medium, information recording apparatus, and information reproducing apparatus | Shin-ichi Kadowaki, Masaru Yamaoka, Takashi Yumiba, Toyoji Gushima, Makoto Usui +1 more | 2011-09-27 |
| 7975206 | Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium | Shoei Kobayashi, Susumu Senshu, Tamotsu Yamagami, Makoto Usui, Hideshi Ishihara +3 more | 2011-07-05 |
| 7861142 | Information recording disc, recording and/or reproducing device and method | Shoei Kobayashi, Susumu Senshu, Tamotsu Yamagami, Makoto Usui, Hideshi Ishihara +3 more | 2010-12-28 |
| 7827111 | Recording medium reproducer, cryptocommunication system and program license system | Mitsuaki Oshima, Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Yoshinari Takemura | 2010-11-02 |
| 7698622 | Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium | Shoei Kobayashi, Susumu Senshu, Tamotsu Yamagami, Makoto Usui, Hideshi Ishihara +3 more | 2010-04-13 |
| 7649824 | Optical storage medium control data region | Shin-ichi Kadowaki, Masaru Yamaoka, Takashi Yumiba, Toyoji Gushima, Makoto Usui +1 more | 2010-01-19 |
| 7624331 | Information recording disc, recording and/or reproducing device and method | Shoei Kobayashi, Susumu Senshu, Tamotsu Yamagami, Makoto Usui, Hideshi Ishihara +3 more | 2009-11-24 |
| 7613986 | Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium | Shoei Kobayashi, Susumu Senshu, Tamotsu Yamagami, Makoto Usui, Hideshi Ishihara +3 more | 2009-11-03 |
| RE40946 | Optical disk apparatus | Katsuya Watanabe, Shin-ichi Yamada, Yasuaki Edahiro, Takeharu Yamamoto | 2009-10-27 |
| 7454688 | Information recording disc, recording and/or reproducing device and method | Shoei Kobayashi, Susumu Senshu, Tamotsu Yamagami, Makoto Usui, Hideshi Ishihara +3 more | 2008-11-18 |
| 7414924 | Magneto-optical recording medium having watermark for preventing unauthorized copy | Mitsuaki Oshima, Shinichi Konishi, Shin-ichi Tanaka, Kenji Koishi, Yoshiho Gotoh +3 more | 2008-08-19 |
| 7272104 | Optical recording medium having dual information surfaces | Shin-ichi Tanaka, Yasuhiro Sugihara, Hiroshi Taniguchi, Michiyoshi Nagashima | 2007-09-18 |
| 7191154 | Apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption | Mitsuaki Oshima, Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Yoshinari Takemura | 2007-03-13 |
| 7127430 | Recording medium, recorder, reproducer, cryptocommunication system and program license system | Mitsuaki Oshima, Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Yoshinari Takemura | 2006-10-24 |
| 7016281 | Optical disc, its recording method, its recording device, its reproducing method, and its reproducing device | Yoshihiro Kanda, Mitsuteru Fujimoto | 2006-03-21 |
| 6952391 | Optical recording medium having dual information surfaces | Shin-ichi Tanaka, Yasuhiro Sugihara, Hiroshi Taniguchi, Michiyoshi Nagashima | 2005-10-04 |
| 6947366 | Optical recording medium having dual information surfaces | Shin-ichi Tanaka, Yasuhiro Sugihara, Hiroshi Taniguchi, Michiyoshi Nagashima | 2005-09-20 |
| 6934237 | Optical recording medium having dual information surfaces | Shin-ichi Tanaka, Yasuhiro Sugihara, Hiroshi Taniguchi, Michiyoshi Nagashima | 2005-08-23 |
| 6934238 | Optical recording medium having dual information surfaces | Shin-ichi Tanaka, Yasuhiro Sugihara, Hiroshi Taniguchi, Michiyoshi Nagashima | 2005-08-23 |
| 6885629 | Recordable optical disk including an auxiliary information presence indicator | Mitsuaki Oshima, Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Yoshinari Takemura | 2005-04-26 |
| 6778969 | Method and apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption | Mitsuaki Oshima, Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Yoshinari Takemura | 2004-08-17 |
| 6751176 | Optical disk with buffer area and recording and reproducing apparatus and methods | Yoshihiro Kanda, Mitsuteru Fujimoto | 2004-06-15 |
| 6737144 | Optical recording medium having dual information surfaces | Shin-ichi Tanaka, Yasuhiro Sugihara, Hiroshi Taniguchi, Michiyoshi Nagashima | 2004-05-18 |
| 6633853 | Recordable optical disk encrypted with disk identification and multiple keys | Mitsuaki Oshima, Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Yoshinari Takemura | 2003-10-14 |