Toshio Shiina

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor resin composition
- Patent number 4,909,960
- Issue date Mar 20, 1990
- Hitachi Cable Ltd.
- Kiyoshi Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyolefin compositions for electrical insulation
- Patent number 4,370,517
- Issue date Jan 25, 1983
- Hitachi Cable Limited
- Kenichiro Soma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER