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Shinobu Fujiwara
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Tokyo, JP
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last 30 patents
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Patent Grant
Semiconductive ceramic composition and semiconductive ceramic capac...
Patent number
4,854,936
Issue date
Aug 8, 1989
TDK Corporation
Shuichi Ono
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Semiconductive ceramic composition and semiconductor ceramic capacitor
Patent number
4,799,127
Issue date
Jan 17, 1989
TDK Corporation
Shuichi Ono
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High dielectric porcelain composition and method of reducing sinter...
Patent number
4,692,422
Issue date
Sep 8, 1987
TDK Corporation
Shinobu Fujiwara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Non-linear dielectric element
Patent number
4,447,549
Issue date
May 8, 1984
TDK Kabushiki Kaisha
Sho Masujima
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Electric power source units
Patent number
4,363,088
Issue date
Dec 7, 1982
TDK Electronics Co., Ltd.
Hirotaka Yamamoto
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High dielectric constant type ceramic composition consisting essent...
Patent number
4,287,075
Issue date
Sep 1, 1981
TDK Electronics Co., Ltd.
Shinobu Fujiwara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High dielectric constant type ceramic composition
Patent number
4,265,668
Issue date
May 5, 1981
TDK Electronics Co., Ltd.
Shinobu Fujiwara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High dielectric constant type ceramic composition
Patent number
4,235,635
Issue date
Nov 25, 1980
TDK Electronics Co., Inc.
Osamu Iizawa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High dielectric constant type ceramic composition consisting essent...
Patent number
4,216,102
Issue date
Aug 5, 1980
TDK Electronics Co., Ltd.
Kiyoshi Furukawa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High dielectric constant type ceramic composition consisting essent...
Patent number
4,216,103
Issue date
Aug 5, 1980
TDK Electronics Co., Ltd.
Shinobu Fujiwara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic dielectric composition containing alkali metal oxide
Patent number
4,119,554
Issue date
Oct 10, 1978
TDK Electronics Co., Ltd.
Shinobu Fujiwara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES