TK

Toshinobu Katsumata

Nichia: 24 patents #45 of 1,531Top 3%
CC Citizen Electronics Co.: 5 patents #67 of 252Top 30%
CC Citizen Watch Co.: 4 patents #269 of 1,225Top 25%
📍 Yamanashi, JP: #109 of 1,957 inventorsTop 6%
Overall (All Time): #122,748 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
10585308 Light-emitting device Takuma Horiuchi 2020-03-10
10001672 Side edge planar lighting unit Kiyokazu Watanabe, Yoshihiro Sho, Naoya Kashiwagi, Takashi Watanabe, Takumi Miyashita +4 more 2018-06-19
9715054 Planar light unit Junji Miyashita 2017-07-25
7588365 Method of manufacturing light guide plate, light guide plate, backlight unit with the light guide plate and display apparatus having the same 2009-09-15
7488103 Lighting device with light guide plate illuminated by LED Kiyokazu Watanabe 2009-02-10