KS

Kazufumi Sei

VJ Victor Company Of Japan: 11 patents #103 of 1,489Top 7%
JV Jvckenwood: 1 patents #386 of 736Top 55%
Overall (All Time): #422,575 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
D684148 Hands free accessory for wireless telephones Yu Sakata 2013-06-11
D590363 Digital video disc player for automobile Hiroshi Yamamoto, Kenji Kimura 2009-04-14
D580412 Loudspeaker for vehicle 2008-11-11
D576160 Digital audio disc player with radio tuner for automobile Shinichi Ohtsuki, Hiroshi Yamamoto 2008-09-02
D576153 Loudspeaker for vehicle 2008-09-02
D574812 Loudspeaker for vehicle 2008-08-12
D564509 Disc player with radio tuner Kenji Kimura, Hiroshi Yamamoto 2008-03-18
D563952 Disc player with radio tuner Hiroshi Yamamoto, Kenji Kimura 2008-03-11
D544860 Disc player with radio tuner Kenji Kimura, Hiroshi Yamamoto 2007-06-19
D541795 Disc player with radio tuner Kenji Kimura, Hiroshi Yamamoto 2007-05-01
D538798 Disc player with radio tuner Kenji Kimura, Hiroshi Yamamoto 2007-03-20
D535958 Disc player Hiroshi Yamamoto, Kenji Kimura 2007-01-30