Inventor
KITAGAWA TOSHITAKE
JP9 patents
⚠️ This page may combine multiple inventors who share the name “KITAGAWA TOSHITAKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
5 patentsUS7764334B2Jul 27, 2010
Illumination apparatus comprising a light guide plate divided by wedge-shaped grooves having an apex angle of 15 degrees or less and a ratio of depth to thickness in a range of 0.4 to 0.7
TOSHIBA KK32 citations91
US7537371B2May 26, 2009
Backlight device and liquid crystal display device
TOSHIBA KK10 citations83
US6507443B2Jan 14, 2003
Lens, lens device, camera module and electrical equipment
TOSHIBA KK8 citations71
US12486453B2Dec 2, 2025
Rare earth complex-containing composition and fluorescent penetrant inspection method using same
TOSHIBA KK0 citations62
US9082938B2Jul 14, 2015
Light emitting device
TOSHIBA KK0 citations50