Inventor
NAKAZATO KAZUHIKO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “NAKAZATO KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANOH IND CO LTD
10 patentsUS7171835B2Feb 6, 2007
Bending apparatus
SANOH IND CO LTD11 citations81
US7131313B2Nov 7, 2006
Bending method and mandrel of multi-layered pipe
SANOH IND CO LTD10 citations71
US7150172B2Dec 19, 2006
Burring device
SANOH IND CO LTD2 citations60
US7127928B2Oct 31, 2006
Core bar for bending of a pipe and method of bending of a pipe
SANOH IND CO LTD4 citations60
US11465190B2Oct 11, 2022
Bending die
SANOH IND CO LTD1 citations57
US11009169B2May 18, 2021
Pipe, die, and method for manufacturing pipe
SANOH IND CO LTD0 citations51
US10953476B2Mar 23, 2021
Chuck device
SANOH IND CO LTD0 citations49
US11904379B2Feb 20, 2024
Device for automatically insetting tube into bending die
SANOH IND CO LTD0 citations46
US12325175B2Jun 10, 2025
Thermoplastic tube bending method
SANOH IND CO LTD0 citations41
US10821656B2Nov 3, 2020
Pipe end processing device
SANOH IND CO LTD0 citations39