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Masaru Sagiyama
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Coated steel sheet having excellent corrosion resistance and method...
Patent number
6,562,474
Issue date
May 13, 2003
NKK Corporation
Naoto Yoshimi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Phosphate-treated steel plate
Patent number
6,509,099
Issue date
Jan 21, 2003
NKK Corporation
Kazuya Urata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Manufacturing process on chromate-coated lead-containing galvanized...
Patent number
6,280,535
Issue date
Aug 28, 2001
NKK Corporation
Tatsuya Miyoshi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Metallic tubes for housing optical fibers and process for producing...
Patent number
6,219,482
Issue date
Apr 17, 2001
Helios Inc.
Akira Matsuzaki
G02 - OPTICS
Information
Patent Grant
Coating composition for precoated steel sheet, precoated steel shee...
Patent number
6,136,455
Issue date
Oct 24, 2000
NKK Corporation
Takashi Anyashiki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Zinciferous coated steel sheet and method for producing the same
Patent number
6,129,995
Issue date
Oct 10, 2000
NKK Corporation
Satoshi Hashimoto
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for manufacturing galvannealed steel sheet having excellent...
Patent number
5,518,769
Issue date
May 21, 1996
NKK Corporation
Masaru Sagiyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for manufacturing galvannealed steel sheets having high pre...
Patent number
5,409,553
Issue date
Apr 25, 1995
NKK Corporation
Masaru Sagiyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for manufacturing iron-zinc alloy plated steel sheet having...
Patent number
5,316,652
Issue date
May 31, 1994
NKK Corporation
Masaru Sagiyama
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for manufacturing iron-zinc alloy plated steel sheet having...
Patent number
5,225,067
Issue date
Jul 6, 1993
NKK Corporation
Masaru Sagiyama
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for manufacturing zinciferous electroplated steel sheet exce...
Patent number
5,202,012
Issue date
Apr 13, 1993
NKK Corporation
Masaki Abe
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electroplated steel sheet having a plurality of coatings, excellent...
Patent number
5,006,420
Issue date
Apr 9, 1991
NKK Corporation
Tsutomu Watanabe
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Apparatus for removing electroplating metal deposited onto surface...
Patent number
4,929,324
Issue date
May 29, 1990
NKK Corporation
Tsutomu Watanabe
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Composite electroplated steel sheet
Patent number
4,904,545
Issue date
Feb 27, 1990
NKK Corporation
Masaru Sagiyama
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Vertical type electro-galvanizing apparatus
Patent number
4,601,801
Issue date
Jul 22, 1986
Nippon Kokan Kabushiki Kaisha
Shuzo Fukuda
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Iron-zinc alloy electro-galvanized steel sheet having a plurality o...
Patent number
4,543,300
Issue date
Sep 24, 1985
Nippon Kokan Kabushiki Kaisha
Tomihiro Hara
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Patents Applications
last 30 patents
Information
Patent Application
MANUFACTURING PROCESS ON CHROMATE-COATED LEAD-CONTAINING GALVANIZED...
Publication number
20010001965
Publication date
May 31, 2001
Tatsuya Miyoshi
TATSUY MIYOSHI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...