Issued Patents All Time
Showing 251–269 of 269 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7525127 | Semiconductor light emitting device | Yasushi Hattori, Shinji Saito, Masahiro Yamamoto, Naomi Shida, Kei Kaneko +1 more | 2009-04-28 |
| 7397069 | Semiconductor device | Koichi Tachibana, Chie Hongo, Hajime Nago | 2008-07-08 |
| 7385228 | Semiconductor light-emitting element and light-emitting device | Shinji Saito | 2008-06-10 |
| 7339255 | Semiconductor device having bidirectionally inclined toward <1-100> and <11-20> relative to {0001} crystal planes | Koichi Tachibana, Chie Hongo, Masaaki Onomura | 2008-03-04 |
| 6400742 | Semiconductor laser and method of fabricating same | Genichi Hatakoshi, Masaaki Onomura, John Rennie, Masayuki Ishikawa, Mariko Suzuki | 2002-06-04 |
| 6359919 | Gallium nitride-based compound semiconductor laser and method of manufacturing the same | Masayuki Ishikawa, Masahiro Yamamoto, Johji Nishio, Genichi Hatakoshi, Hidetoshi Fujimoto | 2002-03-19 |
| 6316785 | Nitride-compound semiconductor device | Masahiro Yamamoto | 2001-11-13 |
| 6303405 | Semiconductor light emitting element, and its manufacturing method | Hiroaki Yoshida, Kazuhiko Itaya, Shinji Saito, Johji Nishio | 2001-10-16 |
| 6252894 | Semiconductor laser using gallium nitride series compound semiconductor | Katsunobu Sasanuma, Shinji Saito, Genichi Hatakoshi, Kazuhiko Itaya, Masaaki Onomura +4 more | 2001-06-26 |
| 6242761 | Nitride compound semiconductor light emitting device | Hidetoshi Fujimoto, John Rennie, Masahiro Yamamoto, Masayuki Ishikawa, Lisa Sugiura | 2001-06-05 |
| 6185238 | Nitride compound semiconductor laser and its manufacturing method | Masaaki Onomura, Genichi Hatakoshi, Masayuki Ishikawa | 2001-02-06 |
| 6118801 | Gallium nitride-based compound semiconductor laser and method of manufacturing the same | Masayuki Ishikawa, Masahiro Yamamoto, Johji Nishio, Genichi Hatakoshi, Hidetoshi Fujimoto | 2000-09-12 |
| 6064079 | Gallium nitride-based compound semiconductor device | Masahiro Yamamoto, Katsunobu Sasanuma, Masayuki Ishikawa | 2000-05-16 |
| 6031858 | Semiconductor laser and method of fabricating same | Genichi Hatakoshi, Masaaki Onomura, John Rennie, Masayuki Ishikawa, Mariko Suzuki | 2000-02-29 |
| 6015979 | Nitride-based semiconductor element and method for manufacturing the same | Lisa Sugiura, Masayuki Ishikawa, Masaaki Onomura, Masahiro Yamamoto | 2000-01-18 |
| 5987048 | Gallium nitride-based compound semiconductor laser and method of manufacturing the same | Masayuki Ishikawa, Masahiro Yamamoto, Johji Nishio, Genichi Hatakoshi, Hidetoshi Fujimoto | 1999-11-16 |
| 5966396 | Gallium nitride-based compound semiconductor laser and method of manufacturing the same | Haruhiko Okazaki, Hidetoshi Fujimoto, Masayuki Ishikawa, Genichi Hatakoshi, Masahiro Yamamoto | 1999-10-12 |
| 5905275 | Gallium nitride compound semiconductor light-emitting device | Masahiro Yamamoto | 1999-05-18 |
| 5304514 | Dry etching method | Tohru Nishibe, Atsushi Kurobe | 1994-04-19 |