Yasutugu Tutumi

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a tablet for resin-molding semiconductor devic...
- Patent number 4,963,307
- Issue date Oct 16, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Kunito Sakai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tablet for resin-molding semiconductor devices
- Patent number 4,826,931
- Issue date May 2, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Kunito Sakai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL