YS

Yasuhiro Shirakawa

KT Kabushiki Kaisha Toshiba: 57 patents #272 of 21,451Top 2%
TC Toshiba Materials Co.: 54 patents #1 of 197Top 1%
NE Nec: 3 patents #4,195 of 14,502Top 30%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
Overall (All Time): #33,642 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 26–50 of 65 patents

Patent #TitleCo-InventorsDate
8896004 White LED, backlight using the same, and liquid crystal display device Ryo Sakai, Hajime Takeuchi, Tsutomu Ishii, Yasumasa Ooya 2014-11-25
8884512 White light emitting lamp and white LED lighting apparatus including the same Masahiko Yamakawa, Hajime Takeuchi 2014-11-11
8872421 White LED, backlight using the same, and liquid crystal display device Hajime Takeuchi, Ryo Sakai, Tsutomu Ishii, Yasumasa Ooya 2014-10-28
8796915 LED light bulb Yasumasa Ooya, Masahiko Yamakawa, Katsutoshi Nakagawa 2014-08-05
8710532 White light emitting lamp and white LED lighting apparatus including the same Masahiko Yamakawa, Daichi USUI 2014-04-29
8702858 Aqueous dispersion liquid and coating material, film, and product using the same Kayo Nakano, Akira Sato, Keiichi Fuse, Shinya Kasamatsu, Akito Sasaki 2014-04-22
8632202 White LED, backlight using same, and liquid crystal display device conforming to EBU standard Hajime Takeuchi, Ryo Sakai, Tsutomu Ishii, Yasumasa Ooya 2014-01-21
8598618 White light emitting device, backlight, liquid crystal display device, and illuminating device Tsutomu Ishii, Hajime Takeuchi, Ryo Sakai, Yasumasa Ooya 2013-12-03
8541798 Semiconductor light emitting device, and backlight and display device comprising the semiconductor light emitting device Yasumasa Ooya, Ryo Sakai, Hajime Takeuchi, Tsutomu Ishii 2013-09-24
8487330 Phosphor and LED light-emitting device using the same Tsutomu Ishii, Yoshitaka Funayama, Yumi Ito, Yasumasa Ooya, Ryo Sakai +2 more 2013-07-16
8471283 White LED lamp, backlight, light emitting device, display device and illumination device Tsutomu Ishii, Hajime Takeuchi, Yasumasa Ooya, Katsutoshi Nakagawa, Yumi Ito +2 more 2013-06-25
8461756 Linear white light source, and backlight and liquid crystal display device using the same Ryo Sakai, Hajime Takeuchi, Tsutomu Ishii, Yasumasa Ooya 2013-06-11
8426882 White light-emitting lamp for illumination and illuminating device using the same Ryo Sakai, Tsutomu Ishii, Masahiko Yamakawa, Yumi Ito 2013-04-23
8409754 Positive electrode active material for secondary cell and nonaqueous electrolyte secondary cell using the same, and method for analysis of positive electrode active material for secondary cell Ryo Sakai, Hajime Takeuchi, Yasumasa Ooya, Koshin Tanaka, Kazuki Amemiya +1 more 2013-04-02
8404617 Photocatalyst material, photocatalyst composition using the same and photocatalyst product Kayo Nakano, Akira Sato, Masami Okamura, Ryotaro Matsuda, Takaya Kamakura +4 more 2013-03-26
8395725 Light emitting module, backlight using the same, and liquid crystal display device Hajime Takeuchi, Ryo Sakai, Yasumasa Ooya, Tsutomu Ishii 2013-03-12
8344407 White light source, backlight, liquid crystal display apparatus, and illuminating apparatus Tetsuo Inoue, Hajime Takeuchi, Yasumasa Ooya, Toshio Shimaoogi 2013-01-01
8288937 White LED, and backlight and liquid crystal display device using the same Tsutomu Ishii, Yasumasa Ooya, Ryo Sakai, Katsutoshi Nakagawa, Hajime Takeuchi +1 more 2012-10-16
8273169 Aqueous dispersion liquid and coating material, film, and product using the same Kayo Nakano, Akira Sato, Keiichi Fuse, Shinya Kasamatsu, Akito Sasaki 2012-09-25
8174180 Light-emitting device having scattering reflector with preset square average inclination Tetsuo Inoue, Hajime Takeuchi, Yasumasa Ooya, Toshio Shimaoogi 2012-05-08
8173573 Visible light response-type photocatalyst powder, visible light response-type photocatalyst material using the visible light response-type photocatalyst powder, photocatalyst coating material, and photocatalyst product Kayo Nakano, Akira Sato, Keiichi Fuse, Masami Okamura, Shinya Kasamatsu +1 more 2012-05-08
8154190 Light emitting device with resin layer containing blue, green and red emitting phosphors which emits white light when excited by ultraviolet light Tsutomu Ishii 2012-04-10
8083968 Solid scintillator, radiation detector, and X-ray tomographic imaging apparatus Yukihiro Fukuta, Masami Okamura 2011-12-27
8003563 Method for producing tungsten trioxide powder for photocatalyst, tungsten trioxide powder for photocatalyst, and photocatalyst product Akira Sato, Kayo Nakano 2011-08-23
7961762 White light-emitting lamp and illuminating device using the same Tsutomu Ishii, Ryo Sakai, Yasumasa Ooya, Hajime Takeuchi 2011-06-14