Kenzo Shirakawa

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Hikone, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reciprocatory electric shaver
- Patent number 5,189,792
- Issue date Mar 2, 1993
- Matsushita Electric Works, Ltd.
- Kiyotaka Otsuka
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Battery powered electric appliance
- Patent number 4,559,456
- Issue date Dec 17, 1985
- Matsushita Electric Works, Ltd.
- Shigeo Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Chargeable electric instrument
- Patent number 4,451,980
- Issue date Jun 5, 1984
- Matsushita Electric Works, Ltd.
- Kenzo Shirakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric shaver of reciprocating drive type having trimmer blade
- Patent number 4,380,869
- Issue date Apr 26, 1983
- Matsushita Electric Works, Ltd.
- Kenzo Shirakawa
- B26 - HAND CUTTING TOOLS CUTTING SEVERING