Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7626126 | Multilayer semiconductor device | Akiji Shibata, Masayuki Hosono | 2009-12-01 |
| 6222956 | Optical wavelength multiplexer/demultiplexer | Kenji Akiba, Kenichi Morosawa | 2001-04-24 |
| 5982960 | Optical wavelength multiplexer/demultiplexer | Kenji Akiba | 1999-11-09 |
| 5940555 | Optical multiplexer/demultiplexer | Kenji Akiba | 1999-08-17 |