Yuji Okitsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Resin composition for sealing semiconductors
- Patent number 4,904,761
- Issue date Feb 27, 1990
- Mitsui Toatsu Chemicals, Inc.
- Yuji Okitsu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...