Inventor
SEKIGUCHI TOMOZO
JP12 patents
Patents
12 patentsUS4624594ANov 25, 1986
Fluid dispenser
PENTEL KK83 citations96
US4906120AMar 6, 1990
Powder dispenser
PENTEL KK41 citations92
US4795063AJan 3, 1989
Fluid discharging device
PENTEL KK89 citations92
US4867593ASep 19, 1989
Liquid dispenser with valve mechanism and flexible container
PENTEL KK24 citations89
USD258565SMar 17, 1981
Dispensing container for liquid adhesive or the like
PENTEL KK18 citations81
US4844299AJul 4, 1989
Fluid discharge device
PENTEL KK22 citations80
US4504163AMar 12, 1985
Mechanical pencil with automatic lead advance
PENTEL KK11 citations73
US5129979AJul 14, 1992
Decorative article and method of producing same
PENTEL KK13 citations69
US4571105AFeb 18, 1986
Lead engaging chuck mechanism for mechanical pencil
PENTEL KK6 citations62
US4459057AJul 10, 1984
Mechanical pencil with automatic lead advance
PENTEL KK5 citations62
US4360280ANov 23, 1982
Mechanical pencil having a lead detector
PENTEL KK4 citations62
US4359290ANov 16, 1982
Writing instrument
PENTEL KK1 citations50