Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701325 | Compound semiconductor device and fabrication method of producing the compound semiconductor device | Toshihiko Ouchi, Hajime Sakata, Noriaki Ohguri | 1997-12-23 |
| 5699373 | Oscillation polarization selective semiconductor laser and optical communication system using the same | Toshihiko Ouchi | 1997-12-16 |
| 5624764 | Composite material of metal and rubber for use in industrial rubber articles | Kiyoshige Muraoka, Takafumi Taguchi | 1997-04-29 |
| 5613020 | Optical devices having a periodical current restraint layer and optical communication systems using the optical device | Hidetoshi Nojiri | 1997-03-18 |