Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548824 | Semiconductor light emitting device for stably obtaining peak wave length of emission spectrum | Takahisa Kurahashi, Hiroyuki Hosoba, Tetsurou Murakami | 2003-04-15 |
| 6501101 | Light emitting diode | Tetsurou Murakami, Takahisa Kurahashi, Shouichi Ohyama | 2002-12-31 |
| 6468818 | Method for producing a high-luminance semiconductor light-emitting device capable of operating at a low voltage | Junichi Nakamura, Kazuaki Sasaki | 2002-10-22 |
| 6465812 | Semiconductor light emitting device | Hiroyuki Hosoba, Takahisa Kurahashi, Tetsuroh Murakami, Kazuaki Sasaki, Junichi Nakamura | 2002-10-15 |
| 6433364 | Semiconductor light emitting device capable of increasing light emitting efficiency | Hiroyuki Hosoba, Takahisa Kurahashi, Tetsurou Murakami | 2002-08-13 |
| 6384430 | Light emitting diode | Tetsuroh Murakami, Hiroyuki Hosoba, Takahisa Kurahashi | 2002-05-07 |
| 6265732 | Light emitting diode | Tetsuroh Murakami, Hiroyuki Hosoba, Takahisa Kurahashi | 2001-07-24 |
| 6236477 | Optical transmission and receiving module | Takehisa Ishihara, Hideki Miyuki, Kazuhito Nagura, Kentaro Terashioma | 2001-05-22 |
| 6081540 | Semiconductor light emitting device with high light emission efficiency | — | 2000-06-27 |
| 5900642 | Semiconductor light emitting device | Jun Nakamura | 1999-05-04 |
| 5854089 | Semiconductor device by selectively controlling growth of an epitaxial layer without a mask | — | 1998-12-29 |
| 5777349 | Semiconductor light emitting device | Junichi Nakamura | 1998-07-07 |
| 5751014 | Semiconductor light emitting device | Jun Nakamura | 1998-05-12 |
| 5581116 | Semiconductor device manufactured by selectively controlling growth of an epitaxial layer without a mask | — | 1996-12-03 |
| 5404031 | Semiconductor light emitting device with current confining layer | Kazuaki Sasaki, Osamu Yamamoto, Masanori Watanabe, Saburo Yamamoto | 1995-04-04 |
| 5309001 | Light-emitting diode having a surface electrode of a tree-like form | Masanori Watanabe, Mitsuhiro Matsumoto, Tadashi Takeoka, Osamu Yamamoto, Kazuaki Sasaki | 1994-05-03 |
| 5228047 | Semiconductor laser device and a method for producing the same | Mitsuhiro Matsumoto, Kazuaki Sasaki, Masaki Kondo, Tadashi Takeoka, Masanori Watanabe +2 more | 1993-07-13 |
| 5031991 | Optical coupling circuit element | Toshiyuki Okumura, Kazuhiko Inoguchi, Haruhisa Takiguchi | 1991-07-16 |
| 4927371 | Socket for semiconductor device | — | 1990-05-22 |