Inventor
HIRASAWA SHIGERU
JP12 patents
⚠️ This page may combine multiple inventors who share the name “HIRASAWA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CONSTRUCTION MACH CO
6 patentsUSD854054SJul 16, 2019
Hydraulic excavator
HITACHI CONSTRUCTION MACH CO23 citations90
US10323557B2Jun 18, 2019
Construction machine
HITACHI CONSTRUCTION MACH CO9 citations83
USD847213SApr 30, 2019
Counterweight for construction machine
HITACHI CONSTRUCTION MACH CO13 citations80
US10640949B2May 5, 2020
Construction machine
HITACHI CONSTRUCTION MACH CO6 citations64
US11739503B2Aug 29, 2023
Hydraulic excavator
HITACHI CONSTRUCTION MACH CO0 citations49
US12123169B2Oct 22, 2024
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations47
HITACHI CONSTRUCTION MACHINERY
4 patentsUS7338114B2Mar 4, 2008
Construction machine
HITACHI CONSTRUCTION MACHINERY20 citations92
US7287810B2Oct 30, 2007
Construction machine
HITACHI CONSTRUCTION MACHINERY24 citations92
US7559601B2Jul 14, 2009
Construction machine
HITACHI CONSTRUCTION MACHINERY13 citations83
US7530418B2May 12, 2009
Construction machine
HITACHI CONSTRUCTION MACHINERY10 citations83