SF

Seiji Fukui

Shimano: 15 patents #115 of 759Top 20%
SI Shimano Industrial: 4 patents #18 of 60Top 30%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #224,692 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
8403801 Bicycle hub transmission and hub transmission shifting method Shinji Kawamura 2013-03-26
8056439 Device to mount control lever to bicycle Kenji Nakahara 2011-11-15
7854302 Apparatus for mounting a hub brake to a bicycle frame Keiji Matsueda, Keita Tanaka 2010-12-21
7806798 Internal transmission hub assembly Shinji Kawamura 2010-10-05
7568558 Apparatus for mounting a hub brake to a bicycle frame Keiji Matsueda, Keita Tanaka 2009-08-04
7566065 Bicycle cable installation aiding device 2009-07-28
7562604 Bicycle chain wheel structure 2009-07-21
7487694 Bicycle handlebar 2009-02-10
7341316 Bicycle hub assembly 2008-03-11
7273259 Bicycle hub assembly 2007-09-25
7258358 Bicycle seat post fixing structure 2007-08-21
7222870 Bicycle suspension assembly 2007-05-29
7182410 Bicycle hub assembly 2007-02-27
7159632 Non-pneumatic bicycle tire 2007-01-09
7059989 Bottom bracket structure with dynamo 2006-06-13
4813345 Wind direction deflection blade mounting apparatus Tatuhiro Kobayashi, Yasuhiko Ebata, Hideki Matsumi, Koichi Ukai 1989-03-21
4323146 Coaster brake hub with a gear-transmission 1982-04-06
4294138 Two stage transmission hub for a bicycle 1981-10-13
4276973 Control mechanism for a transmitting-pawl at a transmission hub for a bicycle 1981-07-07
4240533 Coaster brake hub with a gear-transmission 1980-12-23