Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9002165 | Optical waveguide device | Masayuki Ichioka, Junichiro Ichikawa | 2015-04-07 |
| 7397974 | Optical modulator | Junichiro Ichikawa, Takahisa Fujita, Yuji Yamane, Norikazu Miyazaki | 2008-07-08 |