Inventor
SAKURAI SHIGEYUKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “SAKURAI SHIGEYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CONSTRUCTION MACHINERY
7 patentsUS5662822ASep 2, 1997
Dam bar cutting apparatus and dam bar cutting method
HITACHI CONSTRUCTION MACHINERY99 citations95
US5632083AMay 27, 1997
Lead frame fabricating method and lead frame fabricating apparatus
HITACHI CONSTRUCTION MACHINERY80 citations94
US7005607B2Feb 28, 2006
Welding method, welding device, welded joint, and welded structure
HITACHI CONSTRUCTION MACHINERY20 citations91
US5763853AJun 9, 1998
Laser processing apparatus, laser processing method and dam bar processing method
HITACHI CONSTRUCTION MACHINERY24 citations91
US5580466ADec 3, 1996
Metal plate processing method, lead frame processing method, lead frame, semiconductor device manufacturing method, and semiconductor device
HITACHI CONSTRUCTION MACHINERY37 citations91
US5548890AAug 27, 1996
Lead frame processing method
HITACHI CONSTRUCTION MACHINERY37 citations91
US6596969B1Jul 22, 2003
Method for guiding arc by laser, and arc guiding welding and device by the method
HITACHI CONSTRUCTION MACHINERY16 citations82
HITACHI CONSTRUCTION MACH CO
6 patentsUS12492726B2Dec 9, 2025
Sliding component and method for manufacturing same
HITACHI CONSTRUCTION MACH CO0 citations58
US9915249B2Mar 13, 2018
Hydraulic rotating equipment, and working machine provided with this hydraulic rotating equipment
HITACHI CONSTRUCTION MACH CO1 citations51
US12554255B2Feb 17, 2026
Component service life prediction system and maintenance assistance system
HITACHI CONSTRUCTION MACH CO0 citations50
US12152374B2Nov 26, 2024
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations50
US12077944B2Sep 3, 2024
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations50
US11274418B2Mar 15, 2022
Hydraulic work machine
HITACHI CONSTRUCTION MACH CO0 citations49