Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10386576 | Optical waveguide circuit having identical polarization-cancelling S-shaped curves | Takashi Inoue, Noritaka Matsubara, Hiroshi Kawashima | 2019-08-20 |
| 10371890 | Optical waveguide element | Yasuyoshi Uchida, Yuuki Taniguchi, Hiroshi Kawashima, Masanori Takahashi | 2019-08-06 |