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Masamichi Sawaishi
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Rotary press-in steel pipe pile
Patent number
10,174,475
Issue date
Jan 8, 2019
NIPPON STEEL & SUMIKIN METAL PRODUCTS CO., LTD.
Kimihiro Nakazawa
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Steel pipe pile and steel pipe pile implementation method
Patent number
9,328,475
Issue date
May 3, 2016
Nippon Steel & Sumikin Engineering Co., Ltd.
Masamichi Sawaishi
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Steel pipe pile and method of installing the steel pipe pile
Patent number
8,777,521
Issue date
Jul 15, 2014
Nippon Steel Engineering Co., Ltd.
Makoto Nagata
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
ROTARY PRESS-IN STEEL PIPE PILE
Publication number
20170241099
Publication date
Aug 24, 2017
NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD.
Kimihiro NAKAZAWA
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
STEEL PIPE PILE AND STEEL PIPE PILE IMPLEMENTATION METHOD
Publication number
20130272801
Publication date
Oct 17, 2013
NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD.
Masamichi Sawaishi
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
STEEL PIPE PILE AND METHOD OF INSTALLING THE STEEL PIPE PILE
Publication number
20120037261
Publication date
Feb 16, 2012
NIPPON STEEL ENGINEERING CO., LTD
Makoto Nagata
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING