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Toshiharu Kittaka
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Rockbolts made of steel pipes
Patent number
7,927,043
Issue date
Apr 19, 2011
Nisshin Steel Co., Ltd.
Tatsurou Iwasaki
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rockbolt of high strength steel pipe and method of manufacturing th...
Patent number
7,794,179
Issue date
Sep 14, 2010
Nisshin Steel Co., Ltd.
Takefumi Nakako
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-dip Zn-A1-Mg plated steel sheet good in corrosion resistance an...
Patent number
6,379,820
Issue date
Apr 30, 2002
Nisshin Steel Co., Ltd.
Atsushi Komatsu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-dip Zn-Al-Mg coated steel sheet excellent in corrosion resistan...
Patent number
6,235,410
Issue date
May 22, 2001
Nisshin Steel Co., Ltd.
Atsushi Komatsu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
System for making an on-line determination of degree of alloying in...
Patent number
5,155,751
Issue date
Oct 13, 1992
Nisshin Steel Co., Ltd.
Kazuaki Chohata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for estimating the press formability of galvannealed steel s...
Patent number
5,105,454
Issue date
Apr 14, 1992
Nisshin Steel Co., Ltd.
Minoru Saito
G01 - MEASURING TESTING
Information
Patent Grant
Method for vacuum deposition plating steel strip
Patent number
4,676,999
Issue date
Jun 30, 1987
Mitsubishi Jukogyo Kabushiki Kaisha
Heizaburo Furukawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for vacuum deposition plating
Patent number
4,674,443
Issue date
Jun 23, 1987
Nisshin Steel Co., Ltd.
Heizaburo Furukawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Continuous vacuum deposition apparatus with control panels for regu...
Patent number
4,655,168
Issue date
Apr 7, 1987
Nisshin Steel Co., Ltd.
Yoshio Shimozato
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Vacuum evaporation coating equipment
Patent number
4,649,860
Issue date
Mar 17, 1987
Mitsubishi Jukogyo Kabushiki Kaisha
Heisaburo Furukawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Combined continuous plating apparatus for hot-dip plating and vacuu...
Patent number
4,643,131
Issue date
Feb 17, 1987
Nisshin Steel Company, Ltd.
Shozo Umeda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of controlling deposition amount distribution in a vacuum de...
Patent number
4,612,206
Issue date
Sep 16, 1986
Nisshin Steel Company, Ltd.
Yoshio Shimozato
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of rapidly changing deposition amount in a continuous vacuum...
Patent number
4,587,134
Issue date
May 6, 1986
Nisshin Steel Company, Ltd.
Yoshio Shimozato
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Lock Bolt of High Strength Steel Pipe and Method of Manufacturing t...
Publication number
20080107488
Publication date
May 8, 2008
Takefumi Nakako
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Rockbolts made of steel pipes
Publication number
20070081864
Publication date
Apr 12, 2007
Nisshin Steel Co.,LTD
Tatsurou Iwasaki
E21 - EARTH DRILLING MINING