Inventor
KUMAGAI HIDETOSHI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “KUMAGAI HIDETOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UACJ CORP
9 patentsUS11813700B2Nov 14, 2023
Aluminum alloy brazing sheet and manufacturing method thereof
UACJ CORP4 citations73
US12064832B2Aug 20, 2024
Aluminum alloy brazing sheet and manufacturing method thereof
UACJ CORP2 citations72
US11491586B2Nov 8, 2022
Aluminum alloy brazing sheet and manufacturing method thereof
UACJ CORP2 citations72
US12508676B2Dec 30, 2025
Aluminum alloy brazing sheet and method for producing same
UACJ CORP0 citations61
US12454741B2Oct 28, 2025
Aluminum alloy extruded multi-hole tube for heat exchanger and method for manufacturing the same
UACJ CORP0 citations55
US12397378B2Aug 26, 2025
Aluminum alloy brazing sheet and manufacturing method thereof
UACJ CORP0 citations51
US11491587B2Nov 8, 2022
Aluminum alloy brazing sheet and manufacturing method thereof
UACJ CORP0 citations51
US9844839B2Dec 19, 2017
Flux composition
UACJ CORP0 citations51
US12269129B2Apr 8, 2025
Aluminum alloy brazing sheet and manufacturing method thereof
UACJ CORP0 citations50