KO

Kazumasa Ohsumi

EN Enplas: 7 patents #41 of 255Top 20%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Kawaguchi, JP: #84 of 473 inventorsTop 20%
Overall (All Time): #755,850 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7133091 Liquid crystal display panel, liquid crystal display device and composite optical element 2006-11-07
6930735 Surface light source device of side light type and liquid crystal display Shingo Ohkawa 2005-08-16
6816214 Guide plate, surface light source device of side light type and liquid crystal display 2004-11-09
6791635 Surface light source device of side light type and liquid crystal display Shingo Ohkawa 2004-09-14
6663254 Light guide plate, surface light source device and display 2003-12-16
6612710 Surface light source device, display and light guide plate Kazuo Suzuki 2003-09-02
6104854 Light regulator and surface light source device Kayoko Masaki 2000-08-15