Inventor
TANAKA HIDETOMO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA HIDETOMO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
9 patentsUS6086267AJul 11, 2000
Quantity-of-light adjusting device using base and blade apertures for light quality control
CANON KK30 citations92
US6467975B1Oct 22, 2002
Quantity-of-light adjusting device and optical apparatus having the same
CANON KK11 citations73
US6350068B1Feb 26, 2002
Quantity-of-light adjusting device and optical apparatus having the same
CANON KK5 citations73
US7961269B2Jun 14, 2011
Optical modulation element unit, projection optical unit, and image projection apparatus
CANON KK2 citations61
US7868963B2Jan 11, 2011
Optical modulation element unit, projection optical unit, and image projection apparatus
CANON KK3 citations61
US7086744B2Aug 8, 2006
Optical unit for projection type image display apparatus
CANON KK4 citations61
US8016431B2Sep 13, 2011
Image projection apparatus having configuration for dustproffing and efficient cooling
CANON KK0 citations51
US8007112B2Aug 30, 2011
Image display apparatus having a plurality of light-shielding members
CANON KK0 citations50
US7347563B2Mar 25, 2008
Apparatus for fixing a reflective or transmissive liquid-crystal display element to a prism member
CANON KK1 citations50