KF

Kazuhiro Fujita

Ricoh Company: 6 patents #96 of 1,683Top 6%
AD Advantest: 2 patents #14 of 142Top 10%
📍 Kyoto, MA: #1 of 3 inventorsTop 35%
Overall (2011): #6,013 of 364,097Top 2%
8
Patents 2011

Issued Patents 2011

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8025415 Projection optical system and image projecting apparatus Issei Abe, Atsushi Takaura 2011-09-27
7995275 Polarization conversion element, polarization conversion optical system and image projecting apparatus Ikuo Maeda 2011-08-09
7987062 Delay circuit, test apparatus, storage medium semiconductor chip, initializing circuit and initializing method Masakatsu Suda, Takuya Hasumi 2011-07-26
7946717 Projection optical system and image projecting apparatus Issei Abe, Atsushi Takaura 2011-05-24
7938545 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus Atsushi Takaura, Nobuo Sakuma 2011-05-10
7922341 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus Atsushi Takaura, Nobuo Sakuma 2011-04-12
7911704 Projection optical system and image display apparatus Atsushi Takaura, Issei Abe 2011-03-22
7905662 Connecting device, connecting system, optical waveguide and connecting method Daisuke Watanabe, Toshiyuki Okayasu 2011-03-15