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Keiji Yasuda
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Aichi, JP
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last 30 patents
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Patent Grant
Process for firing ceramic shaped bodies and a tunnel kiln used the...
Patent number
5,046,946
Issue date
Sep 10, 1991
NGK Insulators, Ltd.
Keiji Yasuda
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Process for firing ceramic shaped bodies and firing tools used ther...
Patent number
4,979,895
Issue date
Dec 25, 1990
NGK Insulators, Ltd.
Keiji Yasuda
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Truck for firing furnace
Patent number
4,969,818
Issue date
Nov 13, 1990
NGK Insulators, Ltd.
Yuzo Ueda
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Tunnel furnace height detector
Patent number
4,957,374
Issue date
Sep 18, 1990
NGK Insulators, Ltd.
Keiji Yasuda
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Trolley transfer unit for tunnel furnace
Patent number
4,923,206
Issue date
May 8, 1990
NGK Insulators, Ltd.
Keiji Yasuda
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Trucks for use in tunnel kilns
Patent number
4,897,034
Issue date
Jan 30, 1990
NGK Insulators, Ltd.
Keiji Yasuda
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Tunnel kiln for ceramic firing
Patent number
4,856,987
Issue date
Aug 15, 1989
NGK Insulators, Ltd.
Keiji Yasuda
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Setters and firing of ceramic honeycomb structural bodies by using...
Patent number
4,786,542
Issue date
Nov 22, 1988
NGK Insulators, Ltd.
Keiji Yasuda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES