Hiroyuki Arakawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Battery system featuring transmission of battery data from a batter...
- Patent number 6,222,348
- Issue date Apr 24, 2001
- Sony Corporation
- Hideyuki Sato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging battery system for video camera
- Patent number 5,689,172
- Issue date Nov 18, 1997
- Sony Corporation
- Toshio Koyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery pack having identification recesses and terminals
- Patent number 5,602,454
- Issue date Feb 11, 1997
- Sony Corporation
- Hiroyuki Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack with temperature detecting element and battery charger...
- Patent number 5,248,927
- Issue date Sep 28, 1993
- Sony Corporation
- Toshitaka Takei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER