Inventor
KATSURA TAKAFUMI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “KATSURA TAKAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHIMANO KK
7 patentsUS9381974B2Jul 5, 2016
Electric derailleur motor unit and motorized derailleur
SHIMANO KK24 citations92
US9809276B2Nov 7, 2017
Electric bicycle derailleur control system
SHIMANO KK12 citations82
US9821884B2Nov 21, 2017
Bicycle operating device
SHIMANO KK8 citations79
US8906528B2Dec 9, 2014
Bicycle electric power source assembly
SHIMANO KK5 citations72
US10220915B2Mar 5, 2019
Bicycle bar end attachment
SHIMANO KK1 citations60
US11008067B2May 18, 2021
Bicycle operating device
SHIMANO KK0 citations58
US10279867B2May 7, 2019
Bicycle operating device
SHIMANO KK1 citations58