Keijiro SUZUKI

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical amplifier and optical switch device
- Patent number 11,022,811
- Issue date Jun 1, 2021
- Fujitsu Limited
- Suguru Akiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Driving device and driving method for phase controller, and optical...
- Patent number 10,901,242
- Issue date Jan 26, 2021
- National Institute of Advanced Industrial Science and Technology
- Ken Tanizawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Driving Device and Driving Method for Phase Controller, and Optical...
- Publication number 20200271962
- Publication date Aug 27, 2020
- NATIONAL INSTITUTE ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Ken TANIZAWA
- G02 - OPTICS
Information Patent Application
OPTICAL AMPLIFIER AND OPTICAL SWITCH DEVICE
- Publication number 20190049743
- Publication date Feb 14, 2019
- Fujitsu Limited
- Suguru AKIYAMA
- H01 - BASIC ELECTRIC ELEMENTS