Tamaya Ubukata

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Patents Grantslast 30 patents

Information Patent Grant
Resin-encapsulated type semiconductor packages, and production meth...
- Patent number 7,348,220
- Issue date Mar 25, 2008
- Sumitomo Bakelite Co., Ltd.
- Hideo Ito
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Resin-sealing semiconductor package and method and device for manuf...
- Publication number 20060223235
- Publication date Oct 5, 2006
- SUMITOMO BAKELITE CO., LTD.
- Hideo Ito
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL