Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10340399 | Optical device | Shigekazu Okumura, Keizo Kinoshita, Tsuyoshi Horikawa, Junichi Fujikata | 2019-07-02 |
| 10247882 | Optical waveguide circuit and method of fabricating same | Tsuyoshi Horikawa, Keizo Kinoshita | 2019-04-02 |