TK

Takehiro Koyama

Canon: 12 patents #5,447 of 19,416Top 30%
NC Nagano Keiki Co.: 1 patents #49 of 97Top 55%
Overall (All Time): #346,591 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10620513 Projection type display apparatus 2020-04-14
D854656 Fluid controller Kunihiko Daido, Katsutoshi Shoji 2019-07-23
9726884 Displaying apparatus unit and projection type displaying apparatus 2017-08-08
9618831 Image projector 2017-04-11
9091910 Image projector 2015-07-28
8888293 Image projection apparatus having an insertable and extractable optical element 2014-11-18
8724241 Prism unit and a projection image display apparatus 2014-05-13
8233227 Prism unit and a projection image display apparatus 2012-07-31
8044898 LED display apparatus having a column and row controller Hiroyuki Sakai, Hideki Muramatsu, Toshiaki Kobayashi 2011-10-25
7961269 Optical modulation element unit, projection optical unit, and image projection apparatus Toru Miura, Hidetomo Tanaka 2011-06-14
7868963 Optical modulation element unit, projection optical unit, and image projection apparatus Toru Miura, Hidetomo Tanaka 2011-01-11
7158308 Color separating-combining optical system, image display optical system, and projection image display apparatus 2007-01-02
6919992 Color separating-combining optical system, image display optical system, and projection image display apparatus 2005-07-19
6736513 Projection type image display apparatus Kiyohide Wada 2004-05-18