Inventor
YAMAMOTO TAKEKAZU
JP9 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO TAKEKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAMOTO FOUND WORKS CO LTD
5 patentsUSD927558SAug 10, 2021
Boring machine with casing driver
YAMAMOTO FOUND WORKS CO LTD7 citations80
USD949929SApr 26, 2022
Boring machine with casing driver
YAMAMOTO FOUND WORKS CO LTD1 citations69
USD983232SApr 11, 2023
Boring machine with casing driver
YAMAMOTO FOUND WORKS CO LTD0 citations59
USD949928SApr 26, 2022
Boring machine with casing driver
YAMAMOTO FOUND WORKS CO LTD0 citations59
US12523009B2Jan 13, 2026
Mainframe rotation mechanism and rotation method for excavation apparatus
YAMAMOTO FOUND WORKS CO LTD0 citations48