Issued Patents All Time
Showing 151–175 of 277 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804190 | High density phase-change type optical disk having a data efficiency of more than 80 percent | Hiromichi Ishibashi, Mamoru Shoji, Atsushi Nakamura, Junichi Minamino, Shigeru Furumiya | 2004-10-12 |
| 6791930 | Optical disk, optical disk device, and method of reproducing information on optical disk | Toyoji Gushima | 2004-09-14 |
| 6757239 | Optical disk having wobble patterns and block identification marks | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Toyoji Gushima | 2004-06-29 |
| 6738342 | Optical disc and optical disc address reading apparatus and method | Shigeru Furumiya, Hiromichi Ishibashi, Yoshiharu Kobayashi | 2004-05-18 |
| 6724708 | Optical disk medium and method and apparatus for reading information | Hiromichi Ishibashi, Shigeru Furumiya, Atsushi Nakamura, Junichi Minamino | 2004-04-20 |
| 6683834 | Information recording method, information recording/reproducing apparatus, and information recording medium | Shunji Ohara, Yoshikazu Goto, Isao Satoh | 2004-01-27 |
| 6678469 | Recorded information reproducing apparatus | Atsushi Minemura, Tomomi Kaga | 2004-01-13 |
| 6673186 | Laminated structural body having unidirectionally arranged strands sandwiched between two web layers, and method of and apparatus for efficiently manufacturing such laminated structural body | Toshio Ohta, Tadayoshi Katoh, Hiroshi Yazawa, Shuichi Murakami | 2004-01-06 |
| 6674700 | Optical disk having sub-blocks and sub-block indentification marks | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Toyoji Gushima | 2004-01-06 |
| 6614735 | Method and apparatus for determining optical recording power used for recording onto an optical disk | Mamoru Shoji, Ariaki Ito, Yukihiro Yamasaki, Toshiya Akagi | 2003-09-02 |
| 6608810 | Optical disk comprising a positional information section and a sync mark section each having a wobble pattern | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Toyoji Gushima | 2003-08-19 |
| 6606294 | Optical disk having read-only and rewritable areas | Yoshinari Takemura, Shunji Ohara, Isao Satoh | 2003-08-12 |
| 6587414 | Information recording method, information recording/reproducing apparatus, and information recording medium | Shunji Ohara, Yoshikazu Goto, Isao Satoh | 2003-07-01 |
| 6577590 | Optical disk having wobble patterns | Junichi Minamino, Atsushi Nakamura, Shigeru Furumiya, Hiromichi Ishibashi, Toyoji Gushima | 2003-06-10 |
| 6567372 | Optical disk and optical disk apparatus with tracks and grooves | Kouichi Takamine, Shin-ichi Yamada, Atsushi Nakamura, Seiji Nishiwaki | 2003-05-20 |
| 6560187 | Information recording method, information recording/reproducing apparatus, and information recording medium | Shunji Ohara, Yoshikazu Goto, Isao Satoh | 2003-05-06 |
| 6549493 | Tilt detection device, optical disc device, and tilt control method | Atsushi Nakamura, Mamoru Shoji | 2003-04-15 |
| 6545963 | Data recording medium with a region for recording data, the region having a data recording area and a postamble area | Hironori Deguchi, Naoya Matsuoka | 2003-04-08 |
| 6538979 | Optical disk, optical disk device, and method of reproducing information on optical disk | Toyoji Gushima | 2003-03-25 |
| 6510116 | Optical information recording/reproducing method and optical information recording/reproducing apparatus | Naoyasu Miyagawa, Junichi Minamino, Kenji Koishi, Shigeru Furumiya | 2003-01-21 |
| 6505280 | Memory writing device for an electronic device | Yukari Terada, Yoshihiro Kawase, Yoshiaki Kida | 2003-01-07 |
| 6477626 | Memory writing device for an electronic device | Yukari Terada, Yoshihiro Kawase, Yoshiaki Kida | 2002-11-05 |
| 6469980 | Optical disk and a recording/reproduction apparatus using multiple address block groups shifted oppositely with multiple address blocks and non-pit data | Yoshinari Takemura, Shigeru Furumiya, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2002-10-22 |
| 6456585 | Optical disk and a recording/reproduction apparatus using multiple address block groups shifted oppositely with multiple address blocks having clock synchronization, address number and address ID | Yoshinari Takemura, Shigeru Furumiya, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2002-09-24 |
| 6452884 | Information recording method, information recording/reproducing apparatus, and information recording medium | Shunji Ohara, Yoshikazu Goto, Isao Satoh | 2002-09-17 |