Inventor · disambiguated record
Ryosuke Koshizaka
Also filed as: KOSHIZAKA RYOSUKE
4 granted patents·8 pending applications·24 citations·filing 2002–2009
70Inventor score
Top patents by PatentIndex Score
12 records- 0176US7140846B2Vacuum pump having main and sub pumpsTOYOTA JIDOSHOKKI KK·Filed 2003·Granted Nov 28, 2006·16 cites·8 claims
- 0273US7458790B2Vacuum pump with improved oil lubricationTOYOTA JIDOSHOKKI KK·Filed 2006·Granted Dec 2, 2008·5 cites·11 claims
- 0347US6663367B2Shaft seal structure of vacuum pumpsTOYOTA JIDOSHOKKI KK·Filed 2002·Granted Dec 16, 2003·3 cites·17 claims
- 0447US2010150760A1Rotary vacuum pumpTOYOTA JIDOSHOKKI KK·Filed 2009·Application pending·0 cites
- 0543US2008063536A1Method of controlling the stopping operation of vacuum pump and device thereforKOSHIZAKA RYOSUKE·Filed 2007·Application pending·0 cites
- 0643US2010233006A1Screw-type fluid machineTOYOTA JIDOSHOKKI KK·Filed 2006·Application pending·0 cites
- 0741US2009016920A1Screw pump and screw gearYAMAMOTO SHINYA·Filed 2005·Application pending·0 cites
- 0841US2005031468A1Controller of vacuum pumpFiled 2003·Application pending·0 cites
- 0941US2006225447A1Cooling unitYAMAMOTO SHINYA·Filed 2006·Application pending·0 cites
- 1040US2005118041A1Diaphragm pumpFiled 2004·Application pending·0 cites
- 1138US7364414B2Fluid pump systemTOYOTA JIDOSHOKKI KK·Filed 2003·Granted Apr 29, 2008·0 cites·15 claims
- 1233US2003072651A1Method and apparatus for controlling vacuum pump to stopFiled 2002·Application pending·0 cites
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