Inventor
FUKUI KOUKI
JP10 patents
Patents
10 patentsUS6347646B2Feb 19, 2002
Flexible hose
TOTAKU IND61 citations95
US6227578B1May 8, 2001
Corrugated resin elbow
TOTAKU IND30 citations92
US6179009B1Jan 30, 2001
Heat-insulating and noise reducing duct
TOTAKU IND23 citations92
US5795634AAug 18, 1998
Heat insulating noise reducing duct
TOTAKU IND43 citations92
US6398270B1Jun 4, 2002
Corrugated pipe joint
TOTAKU IND31 citations91
US6076992AJun 20, 2000
Underdrain pipe
TOTAKU IND21 citations91
US5704401AJan 6, 1998
Washing machine hose
TOTAKU IND51 citations91
US6659136B2Dec 9, 2003
Flexible hose
TOTAKU IND25 citations89
US5806567ASep 15, 1998
Heat insulated hose
TOTAKU IND30 citations89
US5981876ANov 9, 1999
PC cable protective sheath for prestressed concrete
TOTAKU IND6 citations62