Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12044883 | Optical waveguide and manufacturing method thereof | Yuji Fujiwara, Ryoichi Kasahara | 2024-07-23 |
| 11988873 | End structure of a waveguide | Katsuhiko Hirabayashi, Yuji Fujiwara, Ryoichi Kasahara | 2024-05-21 |
| 11960152 | Method for adjusting transmitted wavelength of signal light transmitted through optical waveguide device | Katsuhiko Hirabayashi, Nobutatsu Koshobu, Ryoichi Kasahara | 2024-04-16 |
| 11733469 | Planar lightwave circuit and optical device | Yuji Fujiwara, Ryoichi Kasahara, Takahiro Kashiwazaki, Junji Sakamoto | 2023-08-22 |
| 11002995 | Phase modulator, control method for phase modulator, and fringe projector apparatus | Daichi WATANABE, Kei Watanabe, Yu Kurata, Ryoichi Kasahara | 2021-05-11 |
| 10969281 | Illumination apparatus | Daichi WATANABE, Kei Watanabe, Yu Kurata, Ryoichi Kasahara | 2021-04-06 |