Toshiaki Sakaida

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mold for molding optical disc
- Patent number 4,783,041
- Issue date Nov 8, 1988
- Showa Denko Kabushiki Kaisha
- Toshiaki Sakaida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Highly thermal conductive and electrical insulating substrate
- Patent number 4,307,147
- Issue date Dec 22, 1981
- Showa Denko Kabushiki Kaisha
- Naoaki Ohishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for preparing corundum particles
- Patent number 4,193,768
- Issue date Mar 18, 1980
- Showa Denko K.K.
- Naoaki Ohishi
- C30 - CRYSTAL GROWTH