Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023781 | Broadband wavelength multiplexing and demultiplexing filter and optical splitter with optical signal multiplexing and demultiplexing function | Kazutaka Nara, Tsunetoshi Saitoh, Masahito Morimoto | 2011-09-20 |
| 7885493 | Broadband wavelength multiplexing and demultiplexing filter and optical splitter with optical signal multiplexing and demultiplexing function | Kazutaka Nara, Tsunetoshi Saitoh, Masahito Morimoto | 2011-02-08 |