Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984536 | Method for manufacturing a gallium nitride group compound semiconductor | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 2006-01-10 |
| 6830992 | Method for manufacturing a gallium nitride group compound semiconductor | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 2004-12-14 |
| 6607595 | Method for producing a light-emitting semiconductor device | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 2003-08-19 |
| 6593599 | Light-emitting semiconductor device using gallium nitride group compound | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 2003-07-15 |
| 6472689 | Light emitting device | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 2002-10-29 |
| 6472690 | Gallium nitride group compound semiconductor | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 2002-10-29 |
| 6362017 | Light-emitting semiconductor device using gallium nitride group compound | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 2002-03-26 |
| 6265726 | Light-emitting aluminum gallium indium nitride compound semiconductor device having an improved luminous intensity | Katsuhide Manabe, Hisaki Kato, Michinari Sassa, Makoto Asai, Naoki Shibata +1 more | 2001-07-24 |
| 6249012 | Light emitting semiconductor device using gallium nitride group compound | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 2001-06-19 |
| 6083535 | Effervescent granular preparation for keeping cut flower freshness | Tadahiko Chiba, Toshihide Saishoji | 2000-07-04 |
| 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, Makoto Asai, Naoki Shibata +1 more | 1999-12-21 |
| 5862167 | Light-emitting semiconductor device using gallium nitride compound | Michinari Sassa, Norikatsu Koide, Junichi Umezaki, Naoki Shibata, Masayoshi Koike +2 more | 1999-01-19 |
| 5733796 | Light-emitting semiconductor device using gallium nitride group compound | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 1998-03-31 |
| 5700713 | Light emitting semiconductor device using group III nitride compound and method of producing the same | Naoki Shibata, Masayoshi Koike | 1997-12-23 |
| 5587593 | Light-emitting semiconductor device using group III nitrogen compound | Norikatsu Koide, Junichi Umezaki, Shinya Asami | 1996-12-24 |
| 5583879 | Gallum nitride group compound semiconductor laser diode | Norikatsu Koide, Katsuhide Manabe, Isamu Akasaki, Hiroshi Amano | 1996-12-10 |
| 5362885 | N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide derivatives | Hideo Arabori, Masato Arahira, Aiko Murakami | 1994-11-08 |
| 5278433 | Light-emitting semiconductor device using gallium nitride group compound with double layer structures for the n-layer and/or the i-layer | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 1994-01-11 |
| 5242894 | N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide derivatives, and herbicidal compositions | Hideo Arahori, Masato Arahira, Aiko Murakami | 1993-09-07 |
| 5198566 | N-substituted-3-(substituted hydrazino)-benzenesulfonamides | Hideo Arabori, Masato Arahira, Aiko Murakami | 1993-03-30 |
| 5162583 | Benzylether derivatives | Takafumi Shida, Hideo Arabori, Takeo Watanabe, Yoshikazu Kubota, Isao Ichinose +2 more | 1992-11-10 |
| 5151114 | N-substituted-3-(substituted hydrazino)benzenesulfonamide derivatives, and herbicidal compositions | Hideo Arahori, Masato Arahira, Aiko Murakami | 1992-09-29 |
| 5129942 | N-substituted-3-( (2,3-dimethylmaleimido)amino)-benzenesulfonamide derivatives, and herbicidal compositions | Hideo Arabori, Masato Arahira, Aiko Murakami | 1992-07-14 |
| 5130475 | Derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide, herbicidal compositions containing the derivative and process for producing the derivative | Takafumi Shida, Hideo Arabori, Takeo Watanabe, Hiroyasu Shinkawa | 1992-07-14 |
| 5127937 | N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide derivatives, and herbicidal compositions | Hideo Arabori, Masato Arahira, Aiko Murakami | 1992-07-07 |