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Hiroshi Asaumi
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Iwase, City of Kamakura, Kanagawa Prefecture, JP
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last 30 patents
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Patent Grant
Method for shaping tetrafluoroethylene resin pipe
Patent number
5,128,092
Issue date
Jul 7, 1992
Nichias Corporation
Hiroshi Asaumi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Gasket composition comprising fibrillated PTFE
Patent number
4,990,544
Issue date
Feb 5, 1991
Nichias Corporation
Hiroshi Asaumi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Gasket containing (I) a sheet composition comprising (A) PTFE (B) i...
Patent number
4,839,221
Issue date
Jun 13, 1989
Nichias Corporation
Hiroshi Asaumi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Highly heat-resistant disc roll
Patent number
4,533,581
Issue date
Aug 6, 1985
Hiroshi Asaumi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Disc roll
Patent number
4,416,043
Issue date
Nov 22, 1983
Nippon Asbestos Company, Limited
Susumu Aoki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing asbestos free machinable calcium silicate high...
Patent number
4,334,931
Issue date
Jun 15, 1982
Nippon Asbestos Co., Ltd.
Hiroshi Asaumi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for producing asbestos-free calcium silicate board and the b...
Patent number
4,144,121
Issue date
Mar 13, 1979
Nippon Asbestos Co., Ltd.
Takashi Otouma
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE