Issued Patents All Time
Showing 126–150 of 160 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623998 | Method for manufacturing group III nitride compound semiconductor device | Toshiaki Chiyo, Masanobu Senda, Jun Ito, Hiroshi Watanabe, Shinya Asami +1 more | 2003-09-23 |
| 6593016 | Group III nitride compound semiconductor device and producing method thereof | Toshiaki Chiyo, Masanobu Senda, Jun Ito, Shizuyo Asami, Shinya Asami +1 more | 2003-07-15 |
| 6589808 | GaN type semiconductor device | Toshiaki Chiyo, Shizuyo Noiri, Jun Ito | 2003-07-08 |
| 6573117 | GaN related compound semiconductor and process for producing the same | Toshiya Uemura, Shizuyo Noiri, Masanori Murakami, Yasuo Koide, Jun Ito | 2003-06-03 |
| 6573114 | Optical semiconductor device | Makoto Asai | 2003-06-03 |
| 6562646 | Method for manufacturing light-emitting device using a group III nitride compound semiconductor | Hiroshi Watanabe | 2003-05-13 |
| 6531719 | Group III nitride compound semiconductor device | Toshiaki Chiyo, Masanobu Senda, Jun Ito, Hiroshi Watanabe, Shinya Asami +1 more | 2003-03-11 |
| D471689 | Forklift | Takafumi Nakatani, Masafumi Abe | 2003-03-11 |
| D471340 | Forklift | Takafumi Nakatani, Masafumi Abe | 2003-03-04 |
| 6500689 | Process for producing GaN related compound semiconductor | Toshiya Uemura, Shizuyo Noiri, Masanori Murakami, Yasuo Koide, Jun Ito | 2002-12-31 |
| 6426512 | Group III nitride compound semiconductor device | Jun Ito, Toshiaki Chiyo, Hiroshi Watanabe, Shizuyo Asami, Shinya Asami | 2002-07-30 |
| 6342404 | Group III nitride compound semiconductor device and method for producing | Jun Ito, Toshiaki Chiyo, Shizuyo Asami, Hiroshi Watanabe, Shinya Asami | 2002-01-29 |
| 6335217 | GaN type semiconductor device fabrication | Toshiaki Chiyo, Shizuyo Noiri, Jun Ito | 2002-01-01 |
| 6291840 | GaN related compound semiconductor light-emitting device | Toshiya Uemura, Shizuyo Noiri, Masanori Murakami, Yasuo Koide, Jun Ito | 2001-09-18 |
| 6268866 | Digital watermarking system for making a digital watermark with few colors of input image | — | 2001-07-31 |
| 6265726 | Light-emitting aluminum gallium indium nitride compound semiconductor device having an improved luminous intensity | Katsuhide Manabe, Hisaki Kato, Michinari Sassa, Shiro Yamazaki, Makoto Asai +1 more | 2001-07-24 |
| 6191436 | Optical semiconductor device | Makoto Asai | 2001-02-20 |
| 6160518 | Dual-loop multiband reception antenna for terrestrial digital audio broadcasts | Shunji Miyahara | 2000-12-12 |
| 6121127 | Methods and devices related to electrodes for p-type group III nitride compound semiconductors | Junichi Umezaki, Makoto Asai, Toshiya Uemura, Takahiro Kozawa, Tomohiko Mori +1 more | 2000-09-19 |
| 6103543 | Fabrication of device electrodes in gan and related materials | Toshiya Uemura | 2000-08-15 |
| 6100545 | GaN type semiconductor device | Toshiaki Chiyo, Shizuyo Noiri, Jun Ito | 2000-08-08 |
| 6033927 | Method for separating a substrate of a group III nitride semiconductor light-emitting device | Atsuo Hirano, Toshiya Uemura | 2000-03-07 |
| 6023076 | Group III nitride compound semiconductor light emitting device having a current path between electrodes | — | 2000-02-08 |
| 6008539 | Electrodes for p-type group III nitride compound semiconductors | Junichi Umezaki, Makoto Asai, Toshiya Uemura, Takahiro Kozawa, Tomohiko Mori +1 more | 1999-12-28 |
| 6005258 | Light-emitting semiconductor device using group III Nitrogen compound having emission layer doped with donor and acceptor impurities | Katsuhide Manabe, Hisaki Kato, Michinari Sassa, Shiro Yamazaki, Makoto Asai +1 more | 1999-12-21 |