Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9002165 | Optical waveguide device | Mitsuru Sakuma, Junichiro Ichikawa | 2015-04-07 |
| 8983239 | Optical control element having a plurality of optical control portions | Masaaki Sudou, Junichiro Ichikawa | 2015-03-17 |
| 8526768 | Light control device | Yuhki Kinpara, Junichiro Ichikawa, Satoshi Oikawa, Yasuhiro Ishikawa | 2013-09-03 |
| 8406578 | Mach-zehnder waveguide type optical modulator | Satoshi Oikawa, Katsutoshi Kondou | 2013-03-26 |
| 8380015 | Optical control device | Yuhki Kinpara, Junichiro Ichikawa, Satoshi Oikawa, Yasuhiro Ishikawa | 2013-02-19 |
| 7444039 | Optical modulator | Katsutoshi Kondou, Takashi Shinriki, Tohru Sugamata, Junichiro Ichikawa | 2008-10-28 |
| 7362924 | Optical modulator | Katsutoshi Kondou, Yasuhiro Ishikawa, Takashi Shinriki, Satoshi Oikawa, Junichiro Ichikawa | 2008-04-22 |
| 7310453 | Optical modulator | Junichiro Ichikawa, Tokutaka Hara, Yuji Yamane | 2007-12-18 |
| 7260280 | Optical device | Junichiro Ichikawa, Sunao Kurimura, Kenji Kitamura | 2007-08-21 |