Issued Patents 2023
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11852863 | Mode multiplexing/demultiplexing optical circuit | Toshikazu Hashimoto | 2023-12-26 |
| 11822124 | Optical multiplexing circuit and light source | Toshikazu Hashimoto | 2023-11-21 |
| 11768342 | Optical multiplexing circuit and optical source | Naru Nemoto, Toshikazu Hashimoto | 2023-09-26 |
| 11740405 | Optical multiplexing circuit and light source | Toshikazu Hashimoto | 2023-08-29 |
| 11733469 | Planar lightwave circuit and optical device | Yuji Fujiwara, Satomi Katayose, Ryoichi Kasahara, Takahiro Kashiwazaki | 2023-08-22 |
| 11543591 | Optical multiplexer and RGB coupler | Toshikazu Hashimoto | 2023-01-03 |