Issued Patents All Time
Showing 101–117 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6320209 | Epitaxial lateral overgrowth of gallium nitride based semiconductive oxide selective growth mask and method for fabricating the same | Shigetoshi Ito | 2001-11-20 |
| 6284559 | Gallium nitride group compound semiconductor light-emitting device and method for fabricating the same | — | 2001-09-04 |
| 6215803 | Gallium nitride group compound semiconductor light-emitting device | — | 2001-04-10 |
| 6172577 | Oscillator and oscillation apparatus using the oscillator | Osamu Oe, Teruhisa Tsuru | 2001-01-09 |
| 6111275 | Gallium nitride group compound semiconductor light-emitting device and method for fabricating the same | — | 2000-08-29 |
| 6091083 | Gallium nitride type compound semiconductor light-emitting device having buffer layer with non-flat surface | Satoshi Sugahara, Daisuke Hanaoka | 2000-07-18 |
| 6009113 | Semiconductor laser device having clad and contact layers respectively doped with Mg and method for fabricating the same | Taiji Morimoto, Zenkichi Shibata, Takashi Ishizumi, Keisuke Miyazaki, Yoshinori Ohitsu | 1999-12-28 |
| 5970080 | Gallium nitride compound semiconductor light emitting element and method for fabricating the same | — | 1999-10-19 |
| 5932004 | Semiconductor laser device having clad and contact layers respectively doped with MG and method for fabricating the same | Taiji Morimoto, Zenkichi Shibata, Takashi Ishizumi, Keisuke Miyazaki, Yoshinori Ohitsu | 1999-08-03 |
| 5866440 | Method of making compound semiconductor light emitting device having evaporation preventing layer Al.sub.x Ga.sub.(1-x) N | — | 1999-02-02 |
| 5780876 | Compound semiconductor light emitting device and manufacturing method thereof | — | 1998-07-14 |
| 5581584 | PLL circuit | Atsushi Inoue, Osamu Tamakoshi, Takayasu Komaki | 1996-12-03 |
| 5491106 | Method for growing a compound semiconductor and a method for producing a semiconductor laser | Akinori Seki, Hiroyuki Hosoba, Masafumi Kondo, Takahiro Suyama, Sadayoshi Matsui | 1996-02-13 |
| 5377081 | Surface mountable electronic part | Tatsuo Bizen, Atsushi Inoue, You Funada, Masao Uno, Kouichi Kongo | 1994-12-27 |
| 5271028 | Semiconductor laser device | Masafumi Kondo, Takahiro Suyama, Shinji Kaneiwa, Hiroyuki Hosoba, Sadayoshi Matsui | 1993-12-14 |
| 5111470 | Semiconductor laser device and a method of fabricating the same | Hiroyuki Hosoba, Akinori Seki, Masafumi Kondou, Takahiro Suyama, Sadayoshi Matsui | 1992-05-05 |
| 4259027 | Constant torque ball joint | — | 1981-03-31 |