Inventor
YAMAGUCHI ZENZO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI ZENZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
11 patentsUS7325474B2Feb 5, 2008
Silencer
KOBE STEEL LTD56 citations97
US9744921B2Aug 29, 2017
Engine hood
KOBE STEEL LTD8 citations82
US7654364B2Feb 2, 2010
Sound absorbing structure
KOBE STEEL LTD17 citations82
US10156059B2Dec 18, 2018
Construction machine including engine
KOBE STEEL LTD3 citations72
US11021871B2Jun 1, 2021
Porous sound-absorbing board
KOBE STEEL LTD0 citations61
US10229665B2Mar 12, 2019
Porous sound absorbing structure
KOBE STEEL LTD0 citations49
US9453336B2Sep 27, 2016
Porous sound absorbing structure
KOBE STEEL LTD1 citations49
US9564118B2Feb 7, 2017
Sound insulating structure
KOBE STEEL LTD0 citations48
US12447700B2Oct 21, 2025
Mold, apparatus, and method for producing metal-resin composite
KOBE STEEL LTD0 citations47
US12059827B2Aug 13, 2024
Apparatus, mold set, and method for producing metal-resin composite
KOBE STEEL LTD0 citations43
US10352279B2Jul 16, 2019
Construction machine
KOBE STEEL LTD0 citations40