Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6282340 | Light wavelength tuning device and light source optical demultiplexer and wavelength division multiplexed optical communication system using the tuning device | Hideyuki Nasu, Hideyuki Omura, Tomoyuki Kato | 2001-08-28 |
| 5250471 | Method for manufacturing compound semiconductor devices including a step where the semiconductor is etched without exposure to light | Masanori Ishii | 1993-10-05 |
| 4679668 | Brake control apparatus for a vehicle | Shoichi Washizu, Takeshi Morijiri, Satoshi Arimitsu | 1987-07-14 |