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Akihiro Sakamoto
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Piercing machine, and method for producing seamless metal pipe usin...
Patent number
11,511,326
Issue date
Nov 29, 2022
Nippon Steel Corporation
Yasuhiko Daimon
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Production method of seamless steel pipe
Patent number
11,471,923
Issue date
Oct 18, 2022
Nippon Steel Corporation
Kouji Yamane
C21 - METALLURGY OF IRON
Information
Patent Grant
Piercing machine, mandrel bar, and method for producing seamless me...
Patent number
11,344,935
Issue date
May 31, 2022
Nippon Steel Corporation
Haruka Obe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Cooling apparatus and cooling method for steel material
Patent number
10,625,321
Issue date
Apr 21, 2020
Nippon Steel Corporation
Yoshihiro Serizawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Heat treatment apparatus, heat treatment method for steel workpiece...
Patent number
10,626,475
Issue date
Apr 21, 2020
Nippon Steel Corporation
Kazuo Uematsu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel for oil country tubular goods and method of producing the same
Patent number
10,407,758
Issue date
Sep 10, 2019
Nippon Steel Corporation
Tomohiko Omura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a low alloy steel for oil country tubular good...
Patent number
9,909,198
Issue date
Mar 6, 2018
Nippon Steel & Sumitomo Metal Corporation
Tomohiko Omura
C21 - METALLURGY OF IRON
Information
Patent Grant
Quenching method for steel pipe
Patent number
9,546,408
Issue date
Jan 17, 2017
Nippon Steel & Sumitomo Metal Corporation
Akihiro Sakamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Air cooling equipment for heat treatment process for martensitic st...
Patent number
9,181,610
Issue date
Nov 10, 2015
Nippon Steel & Sumitomo Metal Corporation
Nobuyuki Mori
C21 - METALLURGY OF IRON
Information
Patent Grant
Plant cultivation structure, root-preventing structure and root-pre...
Patent number
8,225,546
Issue date
Jul 24, 2012
Tajima Ryokka Incorporated
Kunio Tajima
E04 - BUILDING
Information
Patent Grant
Cleaning tape and method of producing same
Patent number
8,049,990
Issue date
Nov 1, 2011
Nihon Micro Coating Co., Ltd.
Yuji Horie
B24 - GRINDING POLISHING
Information
Patent Grant
Complex system of vegetation and solar cell
Patent number
7,614,183
Issue date
Nov 10, 2009
Kaneka Corporation
Takuji Nomura
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method of cleaning a probe
Patent number
6,884,300
Issue date
Apr 26, 2005
Nihon Microcoating Co., Ltd.
Satoru Sato
B24 - GRINDING POLISHING
Information
Patent Grant
Circuit simulation method
Patent number
6,063,130
Issue date
May 16, 2000
NEC Corporation
Akihiro Sakamoto
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
PIERCING MACHINE, MANDREL BAR, AND METHOD FOR PRODUCING SEAMLESS ME...
Publication number
20210178442
Publication date
Jun 17, 2021
NIPPON STEEL CORPORATION
Haruka OBE
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PRODUCTION METHOD OF SEAMLESS STEEL PIPE
Publication number
20200384514
Publication date
Dec 10, 2020
NIPPON STEEL CORPORATION
Kouji YAMANE
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
STEEL MATERIAL COOLING DEVICE AND COOLING METHOD
Publication number
20200377967
Publication date
Dec 3, 2020
NIPPON STEEL CORPORATION
Akihiro SAKAMOTO
G05 - CONTROLLING REGULATING
Information
Patent Application
SOLID ADHESIVE
Publication number
20200362210
Publication date
Nov 19, 2020
Tombow Pencil Co., Ltd.
Motoya SAKATO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PIERCING MACHINE, AND METHOD FOR PRODUCING SEAMLESS METAL PIPE USIN...
Publication number
20200276625
Publication date
Sep 3, 2020
NIPPON STEEL CORPORATION
Yasuhiko DAIMON
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PRESSURE SENSITIVE TRANSFER CORRECTING TAPE
Publication number
20190283476
Publication date
Sep 19, 2019
Tombow Pencil Co., Ltd.
Keitaro KOBAYASHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
HEAT TREATMENT APPARATUS, HEAT TREATMENT METHOD FOR STEEL WORKPIECE...
Publication number
20190085424
Publication date
Mar 21, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kazuo UEMATSU
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
LOW ALLOY STEEL FOR OIL COUNTRY TUBULAR GOODS HAVING EXCELLENT SULF...
Publication number
20180135154
Publication date
May 17, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Tomohiko OMURA
C21 - METALLURGY OF IRON
Information
Patent Application
COOLING APPARATUS AND COOLING METHOD FOR STEEL MATERIAL
Publication number
20170304883
Publication date
Oct 26, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yoshihiro SERIZAWA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
LOW ALLOY STEEL FOR OIL COUNTRY TUBULAR GOODS HAVING EXCELLENT SULF...
Publication number
20150247226
Publication date
Sep 3, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Tomohiko Omura
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR OIL COUNTRY TUBULAR GOODS AND METHOD OF PRODUCING THE SAME
Publication number
20150114527
Publication date
Apr 30, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Tomohiko Omura
C21 - METALLURGY OF IRON
Information
Patent Application
QUENCHING METHOD FOR STEEL PIPE
Publication number
20140007994
Publication date
Jan 9, 2014
NIPPON STEEL & SUMITOMO METAL CORPORATION
Akihiro Sakamoto
C21 - METALLURGY OF IRON
Information
Patent Application
AIR COOLING EQUIPMENT FOR HEAT TREATMENT PROCESS FOR MARTENSITIC ST...
Publication number
20110120691
Publication date
May 26, 2011
SUMITOMO METAL INDUSTRIES, LTD.
Nobuyuki Mori
C21 - METALLURGY OF IRON
Information
Patent Application
CLEANING TAPE AND METHOD OF PRODUCING SAME
Publication number
20090092023
Publication date
Apr 9, 2009
NIHON MICRO COATING CO., LTD.
Yuji Horie
B08 - CLEANING
Information
Patent Application
Plant cultivation structure, root-preventing structure and root-pre...
Publication number
20080307701
Publication date
Dec 18, 2008
Tajima Ryokka Incorporated
Kunio Tajima
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Method of cleaning a probe
Publication number
20070178814
Publication date
Aug 2, 2007
NIHON MICRO COATING CO., LTD.
Satoru Sato
B08 - CLEANING
Information
Patent Application
Complex system of vegetation and solar cell
Publication number
20060272207
Publication date
Dec 7, 2006
Takuji Nomura
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Cleaning sheet and method for a probe
Publication number
20060030247
Publication date
Feb 9, 2006
Satoru Sato
B08 - CLEANING
Information
Patent Application
Cleaning sheet for a probe
Publication number
20050126590
Publication date
Jun 16, 2005
Nihon Microcoating Co., Ltd.
Satoru Sato
B08 - CLEANING
Information
Patent Application
Cleaning sheet and method for a probe
Publication number
20040096643
Publication date
May 20, 2004
Nihon Microcoating Co., Ltd.
Satoru Sato
B08 - CLEANING
Information
Patent Application
Cleaning sheet and method for a probe
Publication number
20030089384
Publication date
May 15, 2003
Nihon Microcoating Co., Ltd.
Satoru Sato
B08 - CLEANING