KK

Keizo Kumano

SI Seiko Instruments: 3 patents #474 of 1,437Top 35%
SK Seiko Watch Kabushiki Kaisha: 2 patents #6 of 28Top 25%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #862,489 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D654814 Wrist watch case with strap Kengo Nishiyama 2012-02-28
D654815 Wrist watch case with strap Kengo Nishiyama 2012-02-28
D604653 Portion of a watch dial Katsunori Kume 2009-11-24
D596509 Watch case Katsunori Kume 2009-07-21
D407030 Wristwatch Hitoshi Toyoshima 1999-03-23
D333989 Wristwatch Kenichi Sugibayashi 1993-03-16