Issued Patents All Time
Showing 251–275 of 317 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873586 | Optical information recording apparatus having write beam intensity detector | Atsushi Yamaguchi | 2005-03-29 |
| 6865143 | Optical device including a calibrating unit for calibrating a level adjusting unit | Naoharu Yanagawa, Tatsuhiro Yone, Yuko Muramatsu, Shinji Suzuki | 2005-03-08 |
| 6837072 | Rewritable optical recording medium and manufacturing method and apparatus therefor | Yoshio Sasaki, Toshihiko Maruyama, Eiji Muramatsu, Seiro Oshima, Takao Tagiri | 2005-01-04 |
| 6816028 | Multilayer substrate and satellite broadcast reception apparatus | — | 2004-11-09 |
| 6813237 | Optical recording medium having a plurality of meandering groove tracks, optical recording medium producing apparatus and optical recording medium producing method | Atsushi Yamaguchi, Eiji Muramatsu, Seiro Oshima, Takao Tagiri | 2004-11-02 |
| 6803709 | Directly-heated oxide cathode and fluorescent display tube using the same | Tomohiro Yamada | 2004-10-12 |
| 6801488 | Pre-pit detecting apparatus for optical recording medium | Naoharu Yanagawa, Tatsuhiro Yone, Yuko Muramatsu, Shinji Suzuki | 2004-10-05 |
| 6801789 | Multiple-beam antenna | — | 2004-10-05 |
| 6798906 | Image processing apparatus and method including line segment data extraction | — | 2004-09-28 |
| 6785220 | Optical recording medium having mark and space portions based on frequency band of RF signal | Eiji Muramatsu, Toshio Suzuki, Shoji Taniguchi | 2004-08-31 |
| 6741548 | Optical disc, and method of and apparatus for recording signal onto the same | Eiji Muramatsu, Shoji Taniguchi, Kazuo Kuroda, Masami Oishi | 2004-05-25 |
| 6721347 | Solid state laser apparatus | Jyunichi Mizui, Susumu Miki, Takashi Akaba | 2004-04-13 |
| 6712879 | Carbon dioxide gas absorbent and carbon dioxide gas separating apparatus | Sawako Yoshikawa, Kenji Essaki, Kazuaki Nakagawa | 2004-03-30 |
| 6707785 | Optically recording medium having differently-shaped pre-pits formed respectively in first and second regions of a record surface, and apparatus for and method of manufacturing the same | — | 2004-03-16 |
| 6687213 | Optical recording medium having pre-formed land-prepits and method for producing same | Toshihiko Takishita, Eiji Muramatsu, Kunihiko Horikawa, Shoji Taniguchi, Atsushi Yamaguchi | 2004-02-03 |
| 6687214 | Recording medium and apparatus and method for manufacturing the same | Eiji Muramatsu, Atsushi Yamaguchi, Shoji Taniguchi, Seiro Oshima, Makoto Matsukawa +3 more | 2004-02-03 |
| 6679430 | Recording medium and apparatus and method for manufacturing the same | Eiji Muramatsu, Atsushi Yamaguchi, Shoji Taniguchi | 2004-01-20 |
| 6626994 | Silicon wafer for epitaxial wafer, epitaxial wafer, and method of manufacture thereof | Akihiro Kimura, Hideki Sato, Ryuji Kono, Masaro Tamatsuka | 2003-09-30 |
| 6618350 | Rewritable optical recording medium and manufacturing method and apparatus therefor | Yoshio Sasaki, Toshihiko Maruyama, Eiji Muramatsu, Seiro Oshima, Takao Tagiri | 2003-09-09 |
| 6599603 | Silicon wafer | Masaro Tamatsuka, Osamu Imai, Akihiro Kimura, Tomosuke Yoshida | 2003-07-29 |
| 6599607 | Optical recording medium | Toshihiko Takishita, Eiji Muramatsu, Kunihiko Horikawa, Shoji Taniguchi, Atsushi Yamaguchi | 2003-07-29 |
| 6594224 | Optical disc, and method of and apparatus for recording signal onto the same | Eiji Muramatsu, Shoji Taniguchi, Kazuo Kuroda, Masami Oishi | 2003-07-15 |
| 6551398 | Heat treatment method for a silicon monocrystal wafer and a silicon monocrystal wafer | Takao Abe, Norihiro Kobayashi | 2003-04-22 |
| 6545972 | Pre-pit detector of optical recording medium | Masayoshi Yoshida | 2003-04-08 |
| 6535477 | Optical recording medium having groove and land tracks, and method of manufacturing the same | Eiji Muramatsu, Toshio Suzuki, Shoji Taniguchi | 2003-03-18 |