Shizuo Okano

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Patents Grantslast 30 patents

Information Patent Grant
Battery pack for electric power tools
- Patent number 5,903,423
- Issue date May 11, 1999
- Sanyo Electric Co., Ltd.
- Shizuo Okano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery pack
- Patent number 4,515,872
- Issue date May 7, 1985
- Sanyo Electric Co., Ltd.
- Shizuo Okano
- H01 - BASIC ELECTRIC ELEMENTS