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Kazuhiro Yamakawa
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Kanagawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Fe-Ni-Cr alloy, Fe-Ni-Cr alloy strip, sheath heater, method of manu...
Patent number
10,927,438
Issue date
Feb 23, 2021
Nippon Yakin Kogyo Co., Ltd.
Kazuhiro Yamakawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Austenitic Fe—Ni—Cr alloy
Patent number
9,777,356
Issue date
Oct 3, 2017
Nippon Yakin Kogyo Co., Ltd.
Kazuhiro Yamakawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High-Mn austenitic stainless steel and a producing method of high-M...
Patent number
9,528,173
Issue date
Dec 27, 2016
Nippon Yakin Kogyo Co., Ltd.
Shigeru Hirata
C21 - METALLURGY OF IRON
Information
Patent Grant
Clothing ornament made from a high-Mn austenitic stainless steel
Patent number
8,703,047
Issue date
Apr 22, 2014
Nippon Yakin Kogyo Co., Ltd.
Shigeru Hirata
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
Fe-Ni-Cr ALLOY, Fe-Ni-Cr ALLOY STRIP, SHEATH HEATER, METHOD OF MANU...
Publication number
20190360079
Publication date
Nov 28, 2019
Nippon Yakin Kogyo Co., Ltd.
Kazuhiro YAMAKAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
AUSTENITIC FE-NI-CR ALLOY
Publication number
20150376752
Publication date
Dec 31, 2015
Nippon Yakin Kogyo Co., Ltd.
Kazuhiro YAMAKAWA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HIGH-MN AUSTENITIC STAINLESS STEEL AND A PRODUCING METHOD OF HIGH-M...
Publication number
20140332117
Publication date
Nov 13, 2014
NIPPON YAKIN KOGYO CO., LTD.
Shigeru HIRATA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-Mn AUSTENITIC STAINLESS STEEL AND METAL PARTS FOR CLOTHING ORN...
Publication number
20140166158
Publication date
Jun 19, 2014
Nippon Yakin Kogyo Co., Ltd.
Shigeru HIRATA
C21 - METALLURGY OF IRON
Information
Patent Application
AUSTENITIC FE-NI-CR ALLOY
Publication number
20130309124
Publication date
Nov 21, 2013
NIPPON YAKIN KOGYO CO., LTD.
Kazuhiro YAMAKAWA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HIGH-Mn AUSTENITIC STAINLESS STEEL AND METAL PARTS FOR CLOTHING ORN...
Publication number
20110286879
Publication date
Nov 24, 2011
Nippon Yakin Kogyo Co., Ltd.
Shigeru Hirata
C21 - METALLURGY OF IRON