Issued Patents All Time
Showing 101–113 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6046096 | Method of fabricating a device including compound semiconductor crystal and method of fabricating a compound semiconductor layer structure | — | 2000-04-04 |
| 5850408 | Method of driving semiconductor laser with wide modulation band, optical communication method, semiconductor laser device, node, and optical communication system | Masao Majima | 1998-12-15 |
| 5764670 | Semiconductor laser apparatus requiring no external modulator, method of driving semiconductor laser device, and optical communication system using the semiconductor laser apparatus | — | 1998-06-09 |
| 5757828 | Semiconductor laser device, method for driving the same, and optical communication system using the same | — | 1998-05-26 |
| 5742418 | Optical communication system and method using two kinds of light different both in polarization direction and wavelength | Natsuhiko Mizutani | 1998-04-21 |
| 5701325 | Compound semiconductor device and fabrication method of producing the compound semiconductor device | Hajime Sakata, Noriaki Ohguri, Mamoru Uchida | 1997-12-23 |
| 5699373 | Oscillation polarization selective semiconductor laser and optical communication system using the same | Mamoru Uchida | 1997-12-16 |
| 5659560 | Apparatus and method for driving oscillation polarization selective light source, and optical communication system using the same | Masao Majima, Jun Nitta, Seiji Mishima, Ouichi Kubota | 1997-08-19 |
| 5654814 | Optical semiconductor apparatus and optical communication system using the apparatus | Takeo Ono, Masao Majima | 1997-08-05 |
| 5594577 | Optical receiver and optical transmission system using the receiver | Masao Majima, Takeo Ono | 1997-01-14 |
| 5586131 | Oscillation polarization mode selective semiconductor laser, light source apparatus and optical communication system using the laser | Takeo Ono, Masao Majima | 1996-12-17 |
| 5479544 | Optical receiver, optical semiconductor apparatus, and optical communication system utilizing the same | Takeo Ono, Masao Majima | 1995-12-26 |
| 5349598 | Optical semiconductor apparatus, a method of driving the same and an optical transmission system using the same | Hajime Sakata | 1994-09-20 |