Masakatsu Nishigaki

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Hamamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Signature generation and verification system and signature verifica...
- Patent number 9,565,023
- Issue date Feb 7, 2017
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Unique code generating apparatus, method, program and recording medium
- Patent number 7,447,339
- Issue date Nov 4, 2008
- Hitachi, Ltd.
- Masahiro Mimura
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Signature Generation and Verification System and Signature Verifica...
- Publication number 20140019766
- Publication date Jan 16, 2014
- Kenta TAKAHASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Unique code generating apparatus, method, program and recording medium
- Publication number 20050135661
- Publication date Jun 23, 2005
- Masahiro Mimura
- G06 - COMPUTING CALCULATING COUNTING