RK

Ryunosuke Kumagai

MA Makita: 32 patents #20 of 770Top 3%
📍 Anjo, JP: #71 of 1,609 inventorsTop 5%
Overall (All Time): #109,730 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
8708063 Rechargeable electric tool Hidenori Nagasaka 2014-04-29
8607893 Impact tool with a protecting cover Hidenori Nagasaka, Manabu Sugimoto 2013-12-17
8573322 Hook for electric power tools and electric power tool equipped with the hook Hidenori Nagasaka 2013-11-05
8490732 Electric wheeled apparatus powered by battery packs Manabu Sugimoto, Kenichi Kawai 2013-07-23
8443913 Hook for electric power tool and rechargeable electric power tool equipped with the hook Hidenori Nagasaka, Shinsuke Okuda 2013-05-21
D679160 Portable electric driver Shinsuke Okuda 2013-04-02
D677137 Portable electric driver Tomonori Kawase 2013-03-05