Inventor
SASA TAKEYA
JP13 patents
Patents
13 patentsUS5080405AJan 14, 1992
Corrugated pipe coupling
NITTO KOHKI CO67 citations96
US4907830AMar 13, 1990
Fluid coupling
NITTO KOHKI CO84 citations96
US7497231B2Mar 3, 2009
Female coupling member of pipe coupling
NITTO KOHKI CO34 citations92
US6398268B1Jun 4, 2002
Pipe coupling for female screw
NITTO KOHKI CO22 citations92
US5292156AMar 8, 1994
Corrugated pipe coupling
NITTO KOHKI CO26 citations92
US5261707ANov 16, 1993
Joint for connection of a corrugated pipe
NITTO KOHKI CO42 citations92
US4904002AFeb 27, 1990
Fluid coupling
NITTO KOHKI CO36 citations92
US4875720AOct 24, 1989
Fluid coupling
NITTO KOHKI CO32 citations92
US6655498B1Dec 2, 2003
Pipe coupling and drain plug for engine oil change
NITTO KOHKI CO23 citations90
US6886804B2May 3, 2005
Socket for pipe coupling
NITTO KOHKI CO14 citations83
US5042152AAug 27, 1991
Method of manufacturing a socket of a tube coupler
NITTO KOHKI CO12 citations74
USD418397SJan 4, 2000
Coupling plug with a cap
NITTO KOHKI CO15 citations73
US4904001AFeb 27, 1990
Fluid coupling
NITTO KOHKI CO10 citations73