Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125942 | Optical waveguide element | Yasuyoshi Uchida, Hiroshi Kawashima, Kazutaka Nara, Masanori Takahashi | 2021-09-21 |
| 10371890 | Optical waveguide element | Yasuyoshi Uchida, Hiroshi Kawashima, Kazutaka Nara, Masanori Takahashi | 2019-08-06 |
| 9354395 | Optical waveguide element and method of producing the same | Yasuyoshi Uchida, Hiroshi Kawashima, Kazutaka Nara, Masanori Takahashi | 2016-05-31 |