IA

Issei Abe

Ricoh Company: 3 patents #302 of 1,683Top 20%
Overall (2011): #46,976 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8025415 Projection optical system and image projecting apparatus Kazuhiro Fujita, Atsushi Takaura 2011-09-27
7946717 Projection optical system and image projecting apparatus Kazuhiro Fujita, Atsushi Takaura 2011-05-24
7911704 Projection optical system and image display apparatus Atsushi Takaura, Kazuhiro Fujita 2011-03-22