Sakae MARUYAMA

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information 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

Patents Applicationslast 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