Yoshihide Hamaguchi

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information updating device, information distributing device, infor...
- Patent number 9,153,130
- Issue date Oct 6, 2015
- Pioneer Corporation
- Yasufumi Iwahori
- G01 - MEASURING TESTING
Information Patent Grant
Map distribution system and terminal device used in the same
- Patent number 7,133,773
- Issue date Nov 7, 2006
- Pioneer Corporation
- Yoshihide Hamaguchi
- G08 - SIGNALLING
Information Patent Grant
Upgrade for navigation data based on usage data or initialization o...
- Patent number 7,089,546
- Issue date Aug 8, 2006
- Pioneer Corporation
- Shuuji Watanabe
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Information updating device, information distributing device, infor...
- Publication number 20060161344
- Publication date Jul 20, 2006
- Pioneer Corporation
- Yasufumi Iwahori
- G08 - SIGNALLING
Information Patent Application
Map distribution system and terminal device used in the same
- Publication number 20040054465
- Publication date Mar 18, 2004
- PIONEER CORPORATION
- Yoshihide Hamaguchi
- G08 - SIGNALLING
Information Patent Application
Communication system and method, communication terminal apparatus,...
- Publication number 20040044752
- Publication date Mar 4, 2004
- PIONEER CORPORATION
- Yoshihide Hamaguchi
- G08 - SIGNALLING
Information Patent Application
Upgrade method for navigation data and apparatus for saving user data
- Publication number 20040015945
- Publication date Jan 22, 2004
- PIONEER CORPORATION
- Shuuji Watanabe
- G06 - COMPUTING CALCULATING COUNTING