Toru Yamada

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information-transmission system which uses non-geosynchronous artif...
- Patent number 7,085,250
- Issue date Aug 1, 2006
- Hitachi, Ltd.
- Yasushi Yokosuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information receiver and information transmission and reception met...
- Patent number 6,691,310
- Issue date Feb 10, 2004
- Hitachi, Ltd.
- Shigeki Hirasawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information terminal with positioning function, positioning system,...
- Patent number 6,437,732
- Issue date Aug 20, 2002
- Hitachi, Ltd.
- Kimiya Yamaashi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Information terminal with positioning function, positioning system,...
- Publication number 20020190897
- Publication date Dec 19, 2002
- Kimiya Yamaashi
- G01 - MEASURING TESTING
Information Patent Application
INFORMATION RECEIVER AND INFORMATION TRANSMISSION AND RECEPTION MET...
- Publication number 20020056092
- Publication date May 9, 2002
- SHIGEKI HIRASAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information terminal with positioning function, positioning system,...
- Publication number 20020041251
- Publication date Apr 11, 2002
- Kimiya Yamaashi
- G01 - MEASURING TESTING
Information Patent Application
Information-transmission system which uses non-geosynchronous artif...
- Publication number 20010036162
- Publication date Nov 1, 2001
- Yasushi Yokosuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE