Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9017479 | Nitride single crystal manufacturing apparatus | Makoto Iwai, Takanao Shimodaira, Takatomo Sasaki, Yusuke Mori, Fumio Kawamura | 2015-04-28 |
| 8765313 | Fuel cell system and method of controlling same | Kenji Kurita, Kazumasa Takada, Norihiko Toyonaga | 2014-07-01 |
| 8657955 | Melt composition for gallium nitride single crystal growth and method for growing gallium nitride single crystal | Makoto Iwai, Takanao Shimodaira, Yoshihiko Yamamura, Takatomo Sasaki, Yusuke Mori +1 more | 2014-02-25 |
| 8231729 | Apparatus for producing nitride single crystal | Makoto Iwai, Takanao Shimodaira, Takatomo Sasaki, Yusuke Mori, Fumio Kawamura | 2012-07-31 |
| 7842133 | Single crystal growing method | Makoto Iwai, Takanao Shimodaira, Shuhei Higashihara, Takatomo Sasaki, Yusuke Mori +2 more | 2010-11-30 |
| 6962828 | Methods for manufacturing a light-emitting device | Norikatsu Koide, Masayoshi Koike, Isamu Akasaki, Hiroshi Amano | 2005-11-08 |
| 6821800 | Semiconductor light-emitting device and manufacturing method thereof | Norikatsu Koide, Shinya Asami, Junichi Umezaki, Masayoshi Koike, Seiji Nagai | 2004-11-23 |
| 6680957 | Group III nitride compound semiconductor laser | Masayoshi Koike, Yuta Tezen, Seiji Nagai, Akira Kojima, Toshio Hiramatsu | 2004-01-20 |
| 6639258 | Group III nitride compound semiconductor device | Masayoshi Koike | 2003-10-28 |
| 6617061 | Group III nitride compound semiconductor device and group III nitride compound semiconductor light-emitting device | Masayoshi Koike | 2003-09-09 |
| 6552376 | Group III nitride compound semiconductor device | Masayoshi Koike | 2003-04-22 |
| 6541798 | Group III nitride compound semiconductor device and group III nitride compound semiconductor light-emitting device | Masayoshi Koike | 2003-04-01 |
| 6541293 | Semiconductor light-emitting device and manufacturing method thereof | Norikatsu Koide, Shinya Asami, Junichi Umezaki, Masayoshi Koike, Seiji Nagai | 2003-04-01 |
| 6486068 | Method for manufacturing group III nitride compound semiconductor laser diodes | Seiji Nagai, Masayoshi Koike, Isamu Akasaki, Hiroshi Amano, Isao Yamada +1 more | 2002-11-26 |
| 6441450 | Acceleration sensor and method of manufacturing the same | Yasuo Yamaguchi, Kunihiro Nakamura, Teruya Fukaura | 2002-08-27 |
| 6420733 | Semiconductor light-emitting device and manufacturing method thereof | Norikatsu Koide, Shinya Asami, Junichi Umezaki, Masayoshi Koike, Seiji Nagai | 2002-07-16 |
| 6326236 | Semiconductor light-emitting device and manufacturing method thereof | Norikatsu Koide, Shinya Asami, Junichi Umezaki, Masayoshi Koike, Seiji Nagai | 2001-12-04 |
| 6188087 | Semiconductor light-emitting device | Norikatsu Koide, Masayoshi Koike, Isamu Akasaki, Hiroshi Amano | 2001-02-13 |
| 6040588 | Semiconductor light-emitting device | Norikatsu Koide, Shinya Asami, Junichi Umezaki, Masayoshi Koike, Seiji Nagai | 2000-03-21 |
| 5953581 | Methods for manufacturing group III nitride compound semiconductor laser diodes | Seiji Nagai, Masayoshi Koike | 1999-09-14 |
| 5889806 | Group III nitride compound semiconductor laser diodes | Seiji Nagai, Masayoshi Koike, Kazuyoshi Tomita, Tetsu Kachi, Isamu Akasaki +1 more | 1999-03-30 |
| 5811319 | Methods of forming electrodes on gallium nitride group compound semiconductors | Masayoshi Koike, Seiji Nagai, Masanori Murakami, Katsuyuki Tsukui, Hidenori Ishikawa | 1998-09-22 |
| 5196034 | Semiconductor wafer cleaning apparatus | Toshiki Ono, Toshihiko Noguchi | 1993-03-23 |