Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9077450 | Wavelength division multiplexing with multi-core fiber | Masao Tokunari | 2015-07-07 |
| 8948551 | Reducing loss at intersection in optical waveguides | Sayuri Kohara, Yoichi Taira | 2015-02-03 |
| 4437074 | Ultrahigh-frequency transmission line of the three-plate air type and uses thereof | Georges Cohen | 1984-03-13 |