Eiichi Sugai

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Musashino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Position locating instrument
- Patent number 10,495,734
- Issue date Dec 3, 2019
- NTT ADVANCED TECHNOLOGY CORPORATION
- Shogo Yagi
- G01 - MEASURING TESTING
Information Patent Grant
Swept light source and method for controlling the same
- Patent number 10,205,296
- Issue date Feb 12, 2019
- Nippon Telegraph and Telephone Corporation
- Seiji Toyoda
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for maintaining optical signal having low degr...
- Patent number 6,393,168
- Issue date May 21, 2002
- NTT Advanced Technology Corporation
- Motoyuki Atoji
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SWEPT LIGHT SOURCE AND METHOD FOR CONTROLLING THE SAME
- Publication number 20170358899
- Publication date Dec 14, 2017
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Seiji TOYODA
- G01 - MEASURING TESTING
Information Patent Application
POSITION LOCATING INSTRUMENT
- Publication number 20170299698
- Publication date Oct 19, 2017
- NTT Advanced Technology Corporation
- Shogo Yagi
- G01 - MEASURING TESTING
Information Patent Application
Patch type optical fiber sensor
- Publication number 20020092976
- Publication date Jul 18, 2002
- Eiichi Sugai
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus for maintaining incident optical signal having...
- Publication number 20020051598
- Publication date May 2, 2002
- Motoyuki Atoji
- G02 - OPTICS
Information Patent Application
Optical fiber sensor
- Publication number 20010019103
- Publication date Sep 6, 2001
- Eiichi Sugai
- G01 - MEASURING TESTING