Masahiko Sakaguchi

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Kawagoe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for deriving travel distance of vehicle
- Patent number 5,902,348
- Issue date May 11, 1999
- Pioneer Electronic Corporation
- Tatsuya Okamoto
- G01 - MEASURING TESTING
Information Patent Grant
Method of processing information of recording disc and apparatus fo...
- Patent number 5,463,605
- Issue date Oct 31, 1995
- Pioneer Electronic Corporation
- Junichi Nishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Navigation device
- Patent number 5,383,128
- Issue date Jan 17, 1995
- Pioneer Electronic Corporation
- Junichi Nishida
- G01 - MEASURING TESTING