Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125942 | Optical waveguide element | Yuuki Taniguchi, Hiroshi Kawashima, Kazutaka Nara, Masanori Takahashi | 2021-09-21 |
| 11054578 | Cross optical waveguide structure and optical waveguide device | Junichi Hasegawa | 2021-07-06 |
| 10634846 | Optical module | Junichi Hasegawa | 2020-04-28 |
| 10545292 | Optical waveguide circuit device | Masanori Takahashi, Shintaro Yamasaki, Junichi Hasegawa | 2020-01-28 |
| 10444430 | Optical waveguide structure and optical waveguide circuit | Junichi Hasegawa | 2019-10-15 |
| 10371890 | Optical waveguide element | Yuuki Taniguchi, Hiroshi Kawashima, Kazutaka Nara, Masanori Takahashi | 2019-08-06 |
| 9417388 | Spot-size conversion optical waveguide | Shintaro Yamasaki, Kazutaka Nara, Masanori Takahashi | 2016-08-16 |
| 9354395 | Optical waveguide element and method of producing the same | Yuuki Taniguchi, Hiroshi Kawashima, Kazutaka Nara, Masanori Takahashi | 2016-05-31 |
| 8538213 | SSC chip, fiber array attached with SSC, PLC module attached with SSC and method for manufacturing SSC | Kazutaka Nara | 2013-09-17 |