Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9223158 | Optical waveguide element and method of manufacturing the same | Tetsuya Fujino, Masanao Kurihara, Toru Sugamata | 2015-12-29 |
| 8805149 | Optical waveguide device | Motohiro Takemura, Tetsuya Fujino | 2014-08-12 |
| 7856155 | Light modulator and its fabrication method | Katsutoshi Kondou, Tsutomu Saitou | 2010-12-21 |
| 7660493 | Optical modulator | Katsutoshi Kondou, Satoshi Oikawa | 2010-02-09 |
| 7444039 | Optical modulator | Katsutoshi Kondou, Masayuki Ichioka, Tohru Sugamata, Junichiro Ichikawa | 2008-10-28 |
| 7362924 | Optical modulator | Masayuki Ichioka, Katsutoshi Kondou, Yasuhiro Ishikawa, Satoshi Oikawa, Junichiro Ichikawa | 2008-04-22 |
| 7292739 | Optical modulator | Toshihiro Sakamoto, Masanao Kurihara, Toru Sugamata, Norikazu Miyazaki | 2007-11-06 |
| 7009758 | Light control element | Junichiro Ichikawa, Futoshi Yamamoto, Yoshihiro Hashimoto | 2006-03-07 |
| 6956980 | Optical waveguide type optical modulator and production method therefor | Hirotoshi Nagata, Yasuyuki Miyama, Futoshi Yamamoto, Ryo Shimizu | 2005-10-18 |
| 5748358 | Optical modulator with optical waveguide and traveling-wave type electrodes | Tohru Sugamata, Yasuyuki Miyama | 1998-05-05 |
| 5526448 | Optical waveguide modulator having a reduced D.C. drift | Hirotoshi Nagata, Junichiro Minowa, Manabu Yamada, Junichiro Ichikawa, Jamshid Nayyer +6 more | 1996-06-11 |