Inventor
YAMASAKI MASAHIRO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “YAMASAKI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEKISUI CHEMICAL CO LTD
5 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
US10920918B2Feb 16, 2021
Pipe-making apparatus and pipe-making method for spiral pipe
SEKISUI CHEMICAL CO LTD0 citations45