YO

Yasumasa Ooya

KT Kabushiki Kaisha Toshiba: 3 patents #387 of 2,818Top 15%
TC Toshiba Materials Co.: 3 patents #3 of 34Top 9%
Overall (2011): #31,949 of 364,097Top 9%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7961762 White light-emitting lamp and illuminating device using the same Tsutomu Ishii, Yasuhiro Shirakawa, Ryo Sakai, Hajime Takeuchi 2011-06-14
7935975 White LED lamp and backlight using the same, and liquid crystal display device using the backlight Tsutomu Ishii, Yasuhiro Shirakawa, Hajime Takeuchi, Ryo Sakai 2011-05-03
7936418 White light-emitting device and manufacturing method thereof, and backlight and liquid crystal display device using the same Tsutomu Ishii, Yasuhiro Shirakawa, Hajime Takeuchi, Ryo Sakai 2011-05-03