Inventor
HIRAOKA KAZUO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HIRAOKA KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO HEAVY INDUSTRIES
11 patentsUS6340439B1Jan 22, 2002
Depressurization method in plasticization and metering process for a motor-driven injection molding machine
SUMITOMO HEAVY INDUSTRIES32 citations92
US5869108AFeb 9, 1999
Control system for controlling a motor-driven injection molding machine
SUMITOMO HEAVY INDUSTRIES28 citations92
US5371450ADec 6, 1994
Control unit capable of smoothly carrying out a switching operation between position and pressure feedback control systems
SUMITOMO HEAVY INDUSTRIES49 citations92
US5540577AJul 30, 1996
Injection molding machine capable of reducing the work required to an operator
SUMITOMO HEAVY INDUSTRIES23 citations91
US6284170B1Sep 4, 2001
Method for controlling drive of screw in injection molding machine
SUMITOMO HEAVY INDUSTRIES7 citations73
US5552690ASep 3, 1996
Control unit capable of improving a response characteristic and a tracking property by selecting an optimum gain in accordance with an operating condition
SUMITOMO HEAVY INDUSTRIES17 citations73
US5336073AAug 9, 1994
Injection pressure limiting device for injection molding machine
SUMITOMO HEAVY INDUSTRIES10 citations73
US5380181AJan 10, 1995
Control device for an electric injection molding machine
SUMITOMO HEAVY INDUSTRIES19 citations72
US6514442B1Feb 4, 2003
Method and apparatus for adjusting zero point of a pressure sensor of an injection apparatus
SUMITOMO HEAVY INDUSTRIES10 citations71
US5912025AJun 15, 1999
Control device for motor-driven injection molding machine capable of generating larger clamping force
SUMITOMO HEAVY INDUSTRIES4 citations62
US5844391ADec 1, 1998
Device for controlling the clamping force of a motor-driven injection molding machine
SUMITOMO HEAVY INDUSTRIES6 citations62