Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11056341 | Optical semiconductor element and method of manufacturing the same | Takehiko Kikuchi, Nobuhiko Nishiyama | 2021-07-06 |
| 9046703 | Optical modulator module and semiconductor optical modulator | Chie Fukuda, Naoya KONO, Kazuhiro Yamaji, Yasuyuki Yamauchi, Keiji Tanaka +2 more | 2015-06-02 |
| 8660388 | Optical modulation apparatus, method for controlling optical modulator, and control device for optical modulator | Katsumi Uesaka | 2014-02-25 |
| 7228045 | Optical waveguide device and method of manufacturing same | Chie Fukuda, Tetsuya Hattori | 2007-06-05 |
| 6399878 | Solid cable, manufacturing method thereof, and transmission line therewith | Mamoru Kondo, Ryosuke Hata, Hiroshi Takigawa, Jun Yorita, Takahiro Horikawa +1 more | 2002-06-04 |