Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10707651 | Semiconductor laser element | Ryuhichi Sogabe | 2020-07-07 |
| 7092422 | Self-pulsation type semiconductor laser | — | 2006-08-15 |
| 6707834 | Semiconductor laser device and process for producing the same | Hiroyuki Hosoba | 2004-03-16 |
| 6002701 | Self-pulsation type semiconductor laser device | Kentaro Tani, Tadashi Takeoka, Akiyoshi Sugahara | 1999-12-14 |
| 5337326 | Semiconductor laser device with compressively stressed barrier layer | Kosei Takahashi, 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 | Kosei Takahashi, Masahiro Hosoda, Atsuo Tsunoda, Kentaro Tani | 1994-05-10 |
| 4845535 | Light emitting semiconductor device | Masamichi Yamanishi, Ikuo Suemune | 1989-07-04 |