Membership
Tour
Register
Log in
Shigeki Naitoh
Follow
Person
Tsukuba-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Encapsulant of epoxy group-containing (meth)acrylic polymer, anhydr...
Patent number
7,919,550
Issue date
Apr 5, 2011
Sumitomo Chemical Company, Limited
Yujiro Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosemiconductor encapsulant of epoxy group-containing (meth) acr...
Patent number
7,423,083
Issue date
Sep 9, 2008
Sumitomo Chemical Company Limited
Yujiro Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Epoxy resin, resin composition, and resin-encapsulated semiconducto...
Patent number
5,939,473
Issue date
Aug 17, 1999
Sumitomo Chemical Company, Limited
Yasuhiro Hirano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Epoxy resin, resin composition, and resin-encapsulated semiconducto...
Patent number
5,939,509
Issue date
Aug 17, 1999
Sumitomo Chemical Company, Ltd.
Yasuhiro Hirano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Epoxy resin stilbenes and process for producing the same by photois...
Patent number
5,854,370
Issue date
Dec 29, 1998
Sumitomo Chemical Company, Limited
Akira Yokota
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Epoxy resin and process for producing the same
Patent number
5,705,596
Issue date
Jan 6, 1998
Sumitomo Chemical Company, Limited
Akira Yokota
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Semiconductor device encapsulated with an epoxy resin and a process...
Patent number
5,560,968
Issue date
Oct 1, 1996
Sumitomo Chemical Company, Limited
Noriaki Saito
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyhydric phenol from naphthaldehyde and epoxy resin obtained usin...
Patent number
5,478,871
Issue date
Dec 26, 1995
Sumitomo Chemical Company, Limited
Kazuo Takebe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyhydric phenol, and epoxy resin and epoxy resin composition deri...
Patent number
5,462,997
Issue date
Oct 31, 1995
Sumitomo Chemical Co., Ltd.
Noriaki Saito
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyamino oligomers and polymaleimide compounds
Patent number
5,399,715
Issue date
Mar 21, 1995
Sumitomo Chemical Company, Limited
Shigeki Naitoh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyhydric phenol and epoxy resin and epoxy resin composition deriv...
Patent number
5,395,912
Issue date
Mar 7, 1995
Sumitomo Chemical Company, Limited
Noriaki Saito
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic allyl amine thermosetting resin composition
Patent number
5,329,047
Issue date
Jul 12, 1994
Sumitomo Chemical Co., Ltd.
Shigeki Naitoh
B32 - LAYERED PRODUCTS
Information
Patent Grant
Thermosetting resin composition and use thereof for an electronic part
Patent number
5,252,687
Issue date
Oct 12, 1993
Sumitomo Chemical Company, Limited
Yutaka Shiomi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic allyl amine thermosetting resin composition
Patent number
5,109,087
Issue date
Apr 28, 1992
Sumitomo Chemical Company, Limited
Shigeki Naitoh
B32 - LAYERED PRODUCTS
Information
Patent Grant
Thermosetting resin composition
Patent number
4,908,417
Issue date
Mar 13, 1990
Sumitomo Chemical Company, Limited
Yutaka Shiomi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polypyrrole thiophene
Patent number
4,769,430
Issue date
Sep 6, 1988
Research Dev. Corp.
Shigeki Naitoh
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Photosemiconductor encapsulating resin composition
Publication number
20080249220
Publication date
Oct 9, 2008
Sumitomo Chemical Company, Limited
Yujiro Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Thermosetting resin composition and adhesive films
Publication number
20050228079
Publication date
Oct 13, 2005
Toru Fujiki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Resin composition for optical-semiconductor encapsulation
Publication number
20040092668
Publication date
May 13, 2004
Yujiro Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Insulating resin composition, adhesive resin composition and adhesi...
Publication number
20030176585
Publication date
Sep 18, 2003
Hironobu Iyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...