Inventor
KOTAKE NAOYUKI
JP12 patents
Patents
12 patentsUS5090747AFeb 25, 1992
Coupling socket
NITTO KOHKI CO147 citations97
USD313067SDec 18, 1990
Quick release coupling
NITTO KOHKI CO103 citations96
US4733692AMar 29, 1988
Tube coupling
NITTO KOHKI CO68 citations96
US6581907B1Jun 24, 2003
Pipe coupling
NITTO KOHKI CO31 citations92
US6047995AApr 11, 2000
Pipe connector
NITTO KOHKI CO20 citations92
US5261707ANov 16, 1993
Joint for connection of a corrugated pipe
NITTO KOHKI CO42 citations92
US5984266ANov 16, 1999
Coupling for a spray apparatus
NITTO KOHKI CO13 citations73
USD329495SSep 15, 1992
Coupling for a medical agent tank
NITTO KOHKI CO15 citations73
US4951710AAug 28, 1990
Pipe coupling
NITTO KOHKI CO10 citations73
US4918969AApr 24, 1990
Forging method for a hollow article
NITTO KOHKI CO18 citations72
US4988129AJan 29, 1991
Fluid pipe coupling
NITTO KOHKI CO17 citations71
USD332307SJan 5, 1993
Coupling for a tank
NITTO KOHKI CO0 citations51