KK

Kazuya Kuwayama

Shimano: 31 patents #47 of 759Top 7%
Overall (All Time): #116,779 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
9067641 Bicycle front derailleur with a variable actuation ratio Atsuhiro Emura, Kenkichi Inoue 2015-06-30
9061730 Front derailleur with contact member Kenkichi Inoue, Atsuhiro Emura 2015-06-23
8888620 Front derailleur Atsuhiro Emura, Kenkichi Inoue 2014-11-18
8864611 Front derailleur Atsuhiro Emura, Kenkichi Inoue 2014-10-21
8808123 Front derailleur with frame support structure Kenkichi Inoue, Atsuhiro Emura 2014-08-19
8678963 Bicycle front derailleur Kenkichi Inoue, Atsuhiro Emura 2014-03-25