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Toshiyuki Tanaka
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Sakura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical fiber connection device and optical fiber connection method
Patent number
6,190,054
Issue date
Feb 20, 2001
Fujikura Ltd.
Yasuhiro Tamaki
G02 - OPTICS
Information
Patent Grant
Optical fiber connector
Patent number
5,984,532
Issue date
Nov 16, 1999
Fujikura Ltd.
Yasuhiro Tamaki
G02 - OPTICS
Information
Patent Grant
Optical fiber mechanical splice
Patent number
5,963,699
Issue date
Oct 5, 1999
Fujikura Ltd.
Toshiyuki Tanaka
G02 - OPTICS
Information
Patent Grant
Image fiber, image fiber preform, and manufacturing processes thereof
Patent number
5,048,923
Issue date
Sep 17, 1991
Fujikura, Ltd.
Takashi Tsumanuma
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
PEOPLE FLOW ESTIMATION DEVICE, PEOPLE FLOW ESTIMATION METHOD, AND P...
Publication number
20220253573
Publication date
Aug 11, 2022
Nippon Telegraph and Telephone Corporation
Yusuke TANAKA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AGGREGATED DATA RESOLUTION ENHANCEMENT DEVICE, AGGREGATED DATA RESO...
Publication number
20220253736
Publication date
Aug 11, 2022
Nippon Telegraph and Telephone Corporation
Yusuke TANAKA
G06 - COMPUTING CALCULATING COUNTING