Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521733 | Optical switching device for wavelength-multiplexing optical communication | Minoru Akiyama, Jun-ichi Mizusawa, Tsutomu Watanabe | 1996-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521733 | Optical switching device for wavelength-multiplexing optical communication | Minoru Akiyama, Jun-ichi Mizusawa, Tsutomu Watanabe | 1996-05-28 |