TK

Taku Kumasaka

CC Citizen Electronics Co.: 7 patents #43 of 252Top 20%
CC Citizen Holdings Co.: 1 patents #208 of 431Top 50%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
📍 Fujiyoshida, JP: #14 of 87 inventorsTop 20%
Overall (All Time): #723,292 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10170674 LED device Isao Miyashita, Keita Watanabe, Kosuke Tsuchiya 2019-01-01
8390760 Planar light-emitting device and liquid crystal display apparatus using the same Takeshi Ogihara, Daisaku Okuwaki, Makoto Yasuhara 2013-03-05
8368838 Planar light-emitting device and liquid crystal display apparatus Daisaku Okuwaki 2013-02-05
8279372 Planar light-emitting device and liquid crystal display apparatus Takashi Shimura 2012-10-02
8194206 Planar light-emitting device and liquid crystal display apparatus Takashi Shimura 2012-06-05
8154688 Planar light-emitting device and liquid crystal display apparatus Takashi Shimura 2012-04-10
8077272 Planar light-emitting device and liquid crystal display apparatus Takashi Shimura 2011-12-13