Fumitsugu Matsuo

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Shinjuku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Signature generating device and method, signature verifying device...
- Patent number 8,667,302
- Issue date Mar 4, 2014
- Fujitsu Limited
- Takashi Yoshioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signature program, digital signature apparatus, and digital...
- Patent number 8,566,597
- Issue date Oct 22, 2013
- Fujitsu Limited
- Masahiko Takenaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image managing method and image managing system
- Patent number 8,549,306
- Issue date Oct 1, 2013
- Fujitsu Limited
- Takashi Yoshioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC SIGNATURE DEVICE AND ELECTRONIC SIGNATURE METHOD
- Publication number 20120317420
- Publication date Dec 13, 2012
- FUJITSU ADVANED ENGINEERING LIMITED
- Fumitsugu MATSUO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital signature program, digital signature apparatus, and digital...
- Publication number 20110314291
- Publication date Dec 22, 2011
- FUJITSU ADVANCED ENGINEERING LIMITED
- Masahiko Takenaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE MANAGING METHOD AND IMAGE MANAGING SYSTEM
- Publication number 20110302419
- Publication date Dec 8, 2011
- FUJITSU ADVANCED ENGINEERING
- Takashi YOSHIOKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNATURE GENERATING DEVICE AND METHOD, SIGNATURE VERIFYING DEVICE...
- Publication number 20110078459
- Publication date Mar 31, 2011
- FUJITSU LIMITED
- Takashi YOSHIOKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE