Inventor
TAKAMIYA KIKUZO
JP19 patents
Patents
19 patentsUS4838122AJun 13, 1989
Speed change device for bicycle
BRIDGESTONE CYCLE CO184 citations96
US5370411ADec 6, 1994
Bicycle frame assembly
BRIDGESTONE CYCLE CO77 citations92
US5115159AMay 19, 1992
Built-in generator for bicycle
BRIDGESTONE CYCLE CO43 citations91
US4682509AJul 28, 1987
Adjustable handlebar for bicycle
BRIDGESTONE CYCLE CO39 citations91
US4460192AJul 17, 1984
Frame for folding bicycle
BRIDGESTONE CYCLE CO38 citations91
US4460191AJul 17, 1984
Foldable bicycle frame
BRIDGESTONE CYCLE CO47 citations91
US5253890AOct 19, 1993
Bicycle frame
BRIDGESTONE CYCLE CO21 citations90
US4484756ANov 27, 1984
Blank tube and main frame for two-wheeled vehicle
BRIDGESTONE CYCLE CO32 citations90
US4732054AMar 22, 1988
Stepless speed change device
BRIDGESTONE CYCLE CO20 citations81
US4712450ADec 15, 1987
Stepless speed change device
BRIDGESTONE CYCLE CO20 citations81
US4697469AOct 6, 1987
Stepless speed change device
BRIDGESTONE CYCLE CO22 citations81
US4541648ASep 17, 1985
Bicycle frame
BRIDGESTONE CYCLE CO22 citations81
US4591027AMay 27, 1986
Band brake assembly for bicycle
BRIDGESTONE CYCLE CO19 citations73
US4064972ADec 27, 1977
Caliper brake for bicycles for maintaining equal distance between both brake shoes and a wheel therebetween
BRIDGESTONE CYCLE CO14 citations69
US5045037ASep 3, 1991
Friction stepless speed change device
BRIDGESTONE CYCLE CO2 citations61
US4934205AJun 19, 1990
Stepless speed change device
BRIDGESTONE CYCLE CO2 citations61
US5163884ANov 17, 1992
Friction-type stepless speed change device
BRIDGESTONE CYCLE CO4 citations60
US4920827AMay 1, 1990
Stepless speed change device
BRIDGESTONE CYCLE CO3 citations56
US5030183AJul 9, 1991
Friction stepless speed change device
BRIDGESTONE CYCLE CO1 citations51