Inventor
ISHIGAKI TSUNEO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGAKI TSUNEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMC CORP
21 patentsUS5848608ADec 15, 1998
Vacuum-pressure-control slow exhaust valve
SMC CORP107 citations98
US7066443B2Jun 27, 2006
Gate valve
SMC CORP47 citations96
US6095180AAug 1, 2000
High-vacuum valve
SMC CORP30 citations92
US5145152ASep 8, 1992
High-vacuum valves
SMC CORP25 citations92
US9599233B2Mar 21, 2017
Gate valve
SMC CORP9 citations84
US9404589B2Aug 2, 2016
Non-sliding gate valve
SMC CORP9 citations84
US8800956B2Aug 12, 2014
Non-sliding gate valve
SMC CORP18 citations84
US7841578B2Nov 30, 2010
Vacuum valve
SMC CORP10 citations84
US7234679B2Jun 26, 2007
Gate valve
SMC CORP11 citations84
US6932111B2Aug 23, 2005
Gate valve apparatus
SMC CORP17 citations84
US6464203B1Oct 15, 2002
Swing-door gate valve
SMC CORP17 citations83
US4717116AJan 5, 1988
Pilot mode two-port solenoid valve
SMC CORP23 citations82
US5836568ANov 17, 1998
High-vacuum valve
SMC CORP18 citations80
US5927334AJul 27, 1999
Three-port valve
SMC CORP8 citations74
US5072592ADec 17, 1991
Gas cleaner
SMC CORP12 citations74
US4723755AFeb 9, 1988
Two-port solenoid valve
SMC CORP16 citations74
US10253889B2Apr 9, 2019
Gate valve
SMC CORP2 citations73
US6095193AAug 1, 2000
Smooth vent valve
SMC CORP7 citations73
US6619618B2Sep 16, 2003
Gate valve
SMC CORP12 citations70
US9482350B2Nov 1, 2016
Radical-resistant gate valve
SMC CORP2 citations63
US7896313B2Mar 1, 2011
Linear motion-type gate valve
SMC CORP2 citations63