Inventor
TANAKA RYUNOSUKE
JP10 patents
Patents
10 patentsUSD985741SMay 9, 2023
Gland for pipe joints
KUBOTA KK1 citations59
US12442472B2Oct 14, 2025
Pipe joint, gland, and method for joining pipes
KUBOTA KK0 citations49
US12092244B2Sep 17, 2024
Pipe joint
KUBOTA KK0 citations49
US12013060B2Jun 18, 2024
Ring body, pipe fitting, and method for joining pipes
KUBOTA KK0 citations49
US11333278B2May 17, 2022
Pipe-joining centering device
KUBOTA KK0 citations49
US12565949B2Mar 3, 2026
Ring member
KUBOTA KK0 citations48
US12510192B2Dec 30, 2025
Seal member and pipe joint using the seal member
KUBOTA KK0 citations48
US12392428B2Aug 19, 2025
Pipe joint and pipe joining method
KUBOTA KK0 citations48
US12359755B2Jul 15, 2025
Pipe joint, spacer provided in pipe joint, and dividing piece constituting spacer
KUBOTA KK0 citations48
US11746937B2Sep 5, 2023
Pipe joint, push ring for pipe joint, method for joining pipes
KUBOTA KK0 citations47