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Yoshikazu Imai
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Ceramic fiber reinforced ceramic matrix composite material and meth...
Patent number
6,217,997
Issue date
Apr 17, 2001
Kabushiki Kaisha Toshiba
Shoko Suyama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Manufacturing sintered body of silicon carbide by using SiC whisker...
Patent number
5,234,675
Issue date
Aug 10, 1993
Nippon Carbon Co. Ltd.
Hiroshi Ichikawa
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for producing preformed wire from silicon carbide fiber-rei...
Patent number
4,877,643
Issue date
Oct 31, 1989
Director-General Agency of Industrial Science and Technology
Toshikatsu Ishikawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ultrasonic wave vibration apparatus for use in producing preform wi...
Patent number
4,779,563
Issue date
Oct 25, 1988
Agency of Industrial Science and Technology
Toshikatsu Ishikawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Manufacturing a silicon carbide fiber reinforced glass composite us...
Patent number
4,769,195
Issue date
Sep 6, 1988
Nippon Carbon Co. Ltd.
Toshikatsu Ishikawa
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for manufacturing a silicon carbide fiber reinforced glass c...
Patent number
4,717,589
Issue date
Jan 5, 1988
Nippon Carbon Co. Ltd.
Toshikatsu Ishikawa
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of producing a preform wire, sheet or tape fiber reinforced...
Patent number
4,649,060
Issue date
Mar 10, 1987
Agency of Industrial Science and Technology
Toshikatsu Ishikawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Electromagnetic wave absorbers of silicon carbide fibers
Patent number
4,507,354
Issue date
Mar 26, 1985
Nippon Carbon Co., Ltd.
Toshikatsu Ishikawa
H01 - BASIC ELECTRIC ELEMENTS