Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6987567 | Color evaluation apparatus and method | Osamu Yamada | 2006-01-17 |
| 6987881 | Automatic visibility improvement method for digital image | Masato Nakajima | 2006-01-17 |
| 6206969 | Method and apparatus for fabricating semiconductor | Sadayoshi Matsui | 2001-03-27 |
| 5360762 | Semiconductor laser device, and a method for producing a compound semiconductor device including the semiconductor laser device | Masahiro Hosoda, Atsuo Tsunoda, Takahiro Suyama, Sadayoshi Matsui | 1994-11-01 |
| 5337326 | Semiconductor laser device with compressively stressed barrier layer | Yasuo Kan, Masahiro Hosoda, Atsuo Tsunoda, Kentaro Tani, Masanori Watanabe | 1994-08-09 |
| 5310697 | Method for fabricating an AlGaInP semiconductor light emitting device including the step of removing an oxide film by irradiation with plasma beams and an As or P molecular beam | Yasuo Kan, Masahiro Hosoda, Atsuo Tsunoda, Kentaro Tani | 1994-05-10 |
| 5255279 | Semiconductor laser device, and a method for producing a compound semiconductor device including the semiconductor laser device | Masahiro Hosoda, Atsuo Tsunoda, Takahiro Suyama, Sadayoshi Matsui | 1993-10-19 |
| 5027169 | Semiconductor device with substrate misorientation | Masahiro Hosoda, Atsuo Tsunoda, Masafumi Kondo, Takahiro Suyama | 1991-06-25 |
| 5022036 | Semiconductor laser device | Takahiro Suyama, Masafumi Kondo, Kazuaki Sasaki, Masahiro Hosoda, Toshiro Hayakawa | 1991-06-04 |
| 5001522 | Optical semiconductor device | Toshiro Hayakawa, Takahiro Suyama, Masafumi Kondo | 1991-03-19 |
| 4907239 | Semiconductor laser device | Toshiro Hayakawa, Takahiro Suyama, Masafumi Kondo | 1990-03-06 |
| 4905246 | Semiconductor laser device | Toshiro Hayakawa, Takahiro Suyama, Masafumi Kondo | 1990-02-27 |
| 4901326 | Semiconductor laser device | Toshiro Hayakawa, Takahiro Suyama, Masafumi Kondo | 1990-02-13 |
| 4894836 | Semiconductor device | Toshiro Hayakawa, Takahiro Suyama, Masafumi Kondo | 1990-01-16 |
| 4890293 | Semiconductor laser device | Mototaka Taneya, Toshiro Hayakawa, Sadayoshi Matsui, Mitsuhiro Matsumoto, Hiroyuki Hosoba | 1989-12-26 |
| 4887274 | Deterioration-resistant superlattice semiconductor laser device | Toshiro Hayakawa, Takahiro Suyama, Masafumi Kondo | 1989-12-12 |
| 4862470 | Semiconductor laser device | Takahiro Suyama, Masafumi Kondo, Toshiro Hayakawa | 1989-08-29 |
| 4852111 | Semiconductor laser device | Toshiro Hayakawa, Takahiro Suyama, Masafumi Kondo | 1989-07-25 |
| 4845724 | Semiconductor laser device having optical guilding layers of unequal resistance | Toshiro Hayakawa, Takahiro Suyama, Masafumi Kondo | 1989-07-04 |
| 4759024 | Semiconductor laser device having an oscillation wavelength in the visible short-wavelength region | Toshiro Hayakawa, Takahiro Suyama, Saburo Yamamoto | 1988-07-19 |