YC

Yoshiya Chonan

SC Sakae Ringyo Co.: 4 patents #1 of 7Top 15%
📍 Tsukuba, JP: #432 of 2,818 inventorsTop 20%
Overall (All Time): #573,210 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9387905 Sprocket for bicycle 2016-07-12
7735937 Quick release axle assembly 2010-06-15
6513822 Wheel suspension type front fork 2003-02-04
5427397 Wheel suspension type front fork 1995-06-27
5398954 Wheel suspension type front fork and manufacturing method of sliding tube thereof 1995-03-21
5096215 Fork end of a bicycle 1992-03-17
4917397 Structure for threading a cable through a bicycle frame 1990-04-17
4915404 Frame for a bicycle 1990-04-10
4887828 Fixing structure of fork stem and fork shoulder 1989-12-19