Inventor
BABA TATSUROU
JP8 patents
Patents
8 patentsUS11602884B2Mar 14, 2023
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
SEKISUI CHEMICAL CO LTD0 citations61
US11383427B2Jul 12, 2022
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
SEKISUI CHEMICAL CO LTD0 citations61
US11148352B2Oct 19, 2021
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
SEKISUI CHEMICAL CO LTD0 citations61
US11015757B2May 25, 2021
Pipe-making apparatus and pipe-making method
SEKISUI CHEMICAL CO LTD1 citations59
US11473714B2Oct 18, 2022
Strip member for spiral pipe and rehabilitation method of existing pipe
SEKISUI CHEMICAL CO LTD0 citations46
US10920918B2Feb 16, 2021
Pipe-making apparatus and pipe-making method for spiral pipe
SEKISUI CHEMICAL CO LTD0 citations45
US10119644B2Nov 6, 2018
Winding machine
SEKISUI CHEMICAL CO LTD0 citations44
US10744702B2Aug 18, 2020
Apparatus for forming curls
SEKISUI CHEMICAL CO LTD0 citations30