Hiroyuki Saitoh

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Shimodate, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor sealant of epoxy resin and organic polymer-grafted si...
- Patent number 5,962,139
- Issue date Oct 5, 1999
- Hitachi Chemical Co., Ltd.
- Shinsuke Hagiwara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Epoxy resin molding for sealing electronic parts containing organic...
- Patent number 5,739,217
- Issue date Apr 14, 1998
- Hitachi Chemical Company, Ltd.
- Shinsuke Hagiwara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparing naphthol-modified phenolic resin and epoxy resi...
- Patent number 5,510,446
- Issue date Apr 23, 1996
- Hitachi Chemical Company, Ltd.
- Haruaki Sue
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparing naphthol-modified phenolic resin
- Patent number 5,459,223
- Issue date Oct 17, 1995
- Hitachi Chemical Company
- Haruaki Sue
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...