Seiki Murakami

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus, system and method for electronic ticket management and e...
- Patent number 8,892,453
- Issue date Nov 18, 2014
- Sony Corporation
- Masakazu Nakamura
- G07 - CHECKING-DEVICES
Information Patent Grant
Apparatus, system and method for electronic ticket management and e...
- Patent number 7,555,361
- Issue date Jun 30, 2009
- Sony Corporation
- Masakazu Nakamura
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus, system and method for electronic ticket management and e...
- Publication number 20040093309
- Publication date May 13, 2004
- Masakazu Nakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Apparatus, system and method for electronic ticket management and e...
- Publication number 20020116343
- Publication date Aug 22, 2002
- Masakazu Nakamura
- G06 - COMPUTING CALCULATING COUNTING