Inventor
KISHI SHOZO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KISHI SHOZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KUBOTA KK
17 patentsUS10018290B2Jul 10, 2018
Pressing ring, joint, and valve
KUBOTA KK27 citations93
US10006572B2Jun 26, 2018
Pipe joint
KUBOTA KK6 citations82
US9488300B2Nov 8, 2016
Pipe joint
KUBOTA KK6 citations82
US10738919B2Aug 11, 2020
Sealing material and joint
KUBOTA KK2 citations71
US10520119B2Dec 31, 2019
Pipe joint
KUBOTA KK2 citations71
US9719618B2Aug 1, 2017
Pipe joint
KUBOTA KK3 citations71
US10443772B2Oct 15, 2019
Pipe joint structure, seal member, assembled condition management method for pipe joint, and assembled condition management device for pipe joint
KUBOTA KK5 citations70
US12000755B2Jun 4, 2024
Watertight testing device for a pipe joint part
KUBOTA KK1 citations55
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
US9659112B2May 23, 2017
Pipeline structure and computer readable recording medium having recorded thereon program for pipeline structure
KUBOTA KK0 citations49
US11746937B2Sep 5, 2023
Pipe joint, push ring for pipe joint, method for joining pipes
KUBOTA KK0 citations47
US12196644B2Jan 14, 2025
Watertightness testing method and assembling device
KUBOTA KK0 citations46
US12281727B2Apr 22, 2025
Pipe transport device and pipe joining method inside pipeline construction shaft
KUBOTA KK0 citations44
US12044524B2Jul 23, 2024
Bending angle calculation method and calculation apparatus
KUBOTA KK0 citations44