Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7081639 | Semiconductor photodetection device and fabrication process thereof | Toru Uchida | 2006-07-25 |
| 6686217 | Compound semiconductor device manufacturing method | Katsumi Sugiura, Akira Furuya | 2004-02-03 |
| 6539040 | Laser diode and fabrication process thereof | — | 2003-03-25 |
| 6501090 | Semiconductor laser and method of manufacturing the same | Akira Furuya, Katsumi Sugiura, Kensei Nakao, Taro Hasegawa | 2002-12-31 |
| 5862166 | Semiconductor laser with light emitting slant plane and method of manufacturing the same | — | 1999-01-19 |
| 5814531 | Method for forming semiconductor laser emitting light from slant plane | Hiroshi Sekiguchi, Makoto Kondo | 1998-09-29 |
| 5799027 | Stepped substrate semiconductor laser for emitting light at slant portion | Takehiro Fukushima, Akira Furuya | 1998-08-25 |
| 5783845 | Semiconductor device and its manufacture utilizing crystal orientation dependence of impurity concentration | Makoto Kondo, Hajime Shoji | 1998-07-21 |
| 5684818 | Stepped substrate semiconductor laser for emitting light at slant portion | Takehiro Fukushima, Akira Furuya | 1997-11-04 |
| 5668048 | Method of making a semiconductor device utilizing crystal orientation dependence of impurity concentration | Makoto Kondo, Hajime Shoji | 1997-09-16 |
| 5621748 | Stripe laser diode having an improved efficiency for current confinement | Makoto Kondo, Akira Furuya, Mami Sugano, Kay Domen, Toshiyuki Tanahashi +1 more | 1997-04-15 |
| 5568500 | Semiconductor laser | Akira Furuya, Makoto Kondo | 1996-10-22 |
| 5458085 | Magnesium-doping in III-V compound semiconductor | Makoto Kondo | 1995-10-17 |
| 5436194 | Stripe laser diode having an improved efficiency for current confinement | Makoto Kondo, Akira Furuya, Mami Sugano, Kay Domen, Toshiyuki Tanahashi +1 more | 1995-07-25 |
| 5408487 | Semiconductor laser | Toru Uchida, Susumu Yamazaki, Hirohide Kurakake, Akito Kuramata, Haruhisa Soda | 1995-04-18 |
| 5381756 | Magnesium doping in III-V compound semiconductor | Makoto Kondo | 1995-01-17 |
| 5375136 | Semiconductor laser of patterned-substrate type and structure thereof | Toshiyuki Tanahashi, Makoto Kondo | 1994-12-20 |
| 5336635 | Manufacturing method of semiconductor laser of patterned-substrate type | Toshiyuki Tanahashi, Makoto Kondo | 1994-08-09 |
| 5255281 | Semiconductor laser having double heterostructure | Mami Sugano, Akira Furuya, Toshiyuki Tanahashi, Makoto Kondo | 1993-10-19 |
| 5202285 | Semiconductor laser having double heterostructure and method of producing same | Mami Sugano, Akira Furuya, Toshiyuki Tanahashi, Makoto Kondo | 1993-04-13 |