Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8886032 | Wavelength multiplexing optical transmission system, transmitter, and receiver | — | 2014-11-11 |
| 5757811 | System for testing a fault detecting means | Kazuo Kenmoku, Yukio Hirano, Norio Kanno | 1998-05-26 |