Issued Patents All Time
Showing 76–87 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8909006 | Optical waveguide device | Kei Katou | 2014-12-09 |
| 8577225 | Optical receiver | Masahito Mure, Toshio Kataoka, Kaoru Higuma | 2013-11-05 |
| 8180226 | Optical receiver | Masahito Mure, Masahide Miyachi, Kaoru Higuma, Toshio Kataoka, Hiroyuki Sato +3 more | 2012-05-15 |
| 7751724 | Optical modulator | Yoshihiro Hashimoto, Shingo Mori, Kaoru Higuma, Toshio Sakane | 2010-07-06 |
| 7570843 | Optical modulation element module | Masataka Yokozawa | 2009-08-04 |
| 7532778 | Optical waveguide modulator equipped with an output light monitor | Manabu Yamada, Tokutaka Hara | 2009-05-12 |
| 7397974 | Optical modulator | Junichiro Ichikawa, Takahisa Fujita, Yuji Yamane, Mitsuru Sakuma | 2008-07-08 |
| 7359581 | Optical waveguide modulator with output light monitor | Tokutaka Hara | 2008-04-15 |
| 7302120 | Optical modulator | Toshio Sakane, Kaoru Higuma, Shingo Mori | 2007-11-27 |
| 7292739 | Optical modulator | Takashi Shinriki, Toshihiro Sakamoto, Masanao Kurihara, Toru Sugamata | 2007-11-06 |
| 7200289 | Optical waveguide modulator with output light monitor | Manabu Yamada, Tokutaka Hara | 2007-04-03 |
| 7142309 | Method and device for measuring half-wave voltage of Mach-Zehnder type optical modulator | Ryo Shimizu | 2006-11-28 |