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SUMITOMO METAL CERAMICS INC.
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Ohminecho, Mine-shi, Yamaguchi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for forming fine thick-film conductor patterns
Patent number
6,074,893
Issue date
Jun 13, 2000
Sumitomo Metal Industries, Ltd.
Yoshikazu Nakata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thick film circuit board
Patent number
5,709,927
Issue date
Jan 20, 1998
Nippondenso Co., Ltd.
Yoshiyuki Miyase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Zirconia-added alumina substrate with direct bonding of copper
Patent number
5,675,181
Issue date
Oct 7, 1997
Fuji Electric Co., Ltd.
Masaharu Nishiura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Low-temperature fired ceramic circuit substrate and thick-film past...
Patent number
5,665,459
Issue date
Sep 9, 1997
Sumitomo Metal Ceramics Inc.
Junzo Fukuta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for preparing glass ceramic green sheets
Patent number
5,660,781
Issue date
Aug 26, 1997
Sumitomo Metal Industries, Ltd.
Yoichi Moriya
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Multilayer ceramic circuit substrate, process for producing the sam...
Patent number
5,627,344
Issue date
May 6, 1997
Sumitomo Metal Ceramics Inc.
Nozomi Tanifuji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ceramic circuit board and process for producing same
Patent number
5,597,644
Issue date
Jan 28, 1997
Sumitomo Metal Ceramics, Inc.
Hideaki Araki
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor ceramic package with terminal vias
Patent number
5,543,661
Issue date
Aug 6, 1996
Sumitomo Metal Ceramics Inc.
Reiko Sumida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing a circuit substrate
Patent number
5,470,412
Issue date
Nov 28, 1995
Sumitomo Metal Ceramics Inc.
Junzo Fukuta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor package using an aluminum nitride substrate
Patent number
5,463,248
Issue date
Oct 31, 1995
Kabushiki Kaisha Toshiba
Keiichi Yano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Aluminum nitride powder capable of forming colored sintered body an...
Patent number
5,459,113
Issue date
Oct 17, 1995
Sumitomo Metal Ceramics Inc.
Toshio Nozaki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of fabricating ceramic circuit substrate
Patent number
5,456,778
Issue date
Oct 10, 1995
Sumitomo Metal Ceramics Inc.
Junzo Fukuta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lid for semiconductor package and package having the lid
Patent number
5,414,300
Issue date
May 9, 1995
Sumitomo Metal Ceramics Inc.
Yoji Tozawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ceramic package for housing a semiconductor device
Patent number
5,397,918
Issue date
Mar 14, 1995
Sumitomo Metal Ceramics, Inc.
Masao Yokochi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multilayer ceramic substrate and manufacture thereof
Patent number
5,156,903
Issue date
Oct 20, 1992
Sumitomo Metal Ceramics Inc.
Takamasa Okumura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74301748 - HYPER-QFP
Serial number
74301748
Filing date
Aug 4, 1992
SUMITOMO METAL CERAMICS INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments