Inventor
YAMAGIWA ICHIRO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGIWA ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
10 patentsUS5690035ANov 25, 1997
Vibration-damping material, its manufacturing method, and structural section for transport vehicle
KOBE STEEL LTD76 citations93
US5895538AApr 20, 1999
Method of manufacturing and using vibration-damping material
KOBE STEEL LTD17 citations90
US6708626B2Mar 23, 2004
Double-walled damping structure
KOBE STEEL LTD18 citations84
US9744921B2Aug 29, 2017
Engine hood
KOBE STEEL LTD8 citations82
US7654364B2Feb 2, 2010
Sound absorbing structure
KOBE STEEL LTD17 citations82
US7434660B2Oct 14, 2008
Perforated soundproof structure and method of manufacturing the same
KOBE STEEL LTD15 citations82
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