Kiyoshi Nagasawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication control method
- Patent number 7,212,803
- Issue date May 1, 2007
- Hitachi, Ltd.
- Kiyoshi Nagasawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of controlling an air conditioning apparatus and air conditi...
- Patent number 5,197,293
- Issue date Mar 30, 1993
- Hitachi, Ltd.
- Tetsunobu Okamura
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and apparatus for controlling air-conditioning apparatus
- Patent number 4,810,943
- Issue date Mar 7, 1989
- Hitachi, Ltd.
- Yasutsugu Kawaguchi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Speech recognition method
- Patent number 4,718,095
- Issue date Jan 5, 1988
- Hitachi, Ltd.
- Yoshiaki Asakawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Control system for brushless DC motor
- Patent number 4,712,050
- Issue date Dec 8, 1987
- Hitachi, Ltd.
- Kiyoshi Nagasawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System for controlling brushless DC motor
- Patent number 4,700,116
- Issue date Oct 13, 1987
- Hitachi, Ltd.
- Tooru Inoue
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Communication control method
- Publication number 20070213068
- Publication date Sep 13, 2007
- Kiyoshi Nagasawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication control method
- Publication number 20020142802
- Publication date Oct 3, 2002
- Kiyoshi Nagasawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE