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Masahisa Kawashima
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Palo Alto, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Digital credential issuing system and method
Patent number
11,757,857
Issue date
Sep 12, 2023
NTT RESEARCH, INC.
Go Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Security system and method for internet of things infrastructure el...
Patent number
10,389,753
Issue date
Aug 20, 2019
NTT INNOVATION INSTITUTE, INC.
Masahisa Kawashima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SECURITY SYSTEM AND METHOD FOR INTERNET OF THINGS INFRASTRUCTURE EL...
Publication number
20180212768
Publication date
Jul 26, 2018
NTT Innovation Institute, Inc.
Masahisa Kawashima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL CREDENTIAL ISSUING SYSTEM AND METHOD
Publication number
20180212941
Publication date
Jul 26, 2018
NTT Innovation Institute, Inc.
Go Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE