Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12119419 | Photodetector | — | 2024-10-15 |
| 12099266 | Optical circuit with common ground configuration for resistors and thermo-optic phase shifters | Kiyofumi Kikuchi, Ken Tsuzuki, Yusuke Nasu, Yuichiro Ikuma, Yuriko Kawamura | 2024-09-24 |
| 12087800 | Photodector including germanium layer and doped region | — | 2024-09-10 |
| 11973159 | Photodetector | Kiyofumi Kikuchi, Yoshiho Maeda, Tatsuro Hiraki | 2024-04-30 |
| 11921324 | Photodetector | Yusuke Nasu | 2024-03-05 |
| 11901378 | Photodetector | — | 2024-02-13 |
| 11887999 | Photodetector | — | 2024-01-30 |
| 11769849 | Photodetector | — | 2023-09-26 |
| 11543293 | Photodetector | — | 2023-01-03 |
| 11404453 | Photodetector | Kentaro Honda | 2022-08-02 |
| 11342318 | Optical communication apparatus | Toshihiro Ito | 2022-05-24 |
| 10190941 | Silicon optical circuit for flaw detection in an optical circuit element | Shin Kamei, Makoto Jizodo, Hiroshi Fukuda | 2019-01-29 |
| 9923456 | Matrix convertor, power generation system, and method for controlling power factor | Wataru YOSHINAGA, Takashi Tanaka, Kentaro INOMATA, Takuya Naka | 2018-03-20 |
| 9537415 | Power generating device, control device, controlling method and power generation system | Junji Fujii, Takashi Tanaka, Wataru YOSHINAGA | 2017-01-03 |