Inventor
SADO KENZO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “SADO KENZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO OPTICAL CO LTD
5 patentsUS6457829B1Oct 1, 2002
Projection device comprising a correction lens arranged between a prism optical system and at least one of three optical modulation elements
FUJI PHOTO OPTICAL CO LTD27 citations91
US5367405ANov 22, 1994
Projecting lens
FUJI PHOTO OPTICAL CO LTD21 citations91
US3961845AJun 8, 1976
Zoom lens system
FUJI PHOTO OPTICAL CO LTD8 citations73
US4560254ADec 24, 1985
Zoom lens system
FUJI PHOTO OPTICAL CO LTD9 citations72
US4245891AJan 20, 1981
Zoom lens system with a movable distortion-correcting element
FUJI PHOTO OPTICAL CO LTD3 citations61
SADO KENZO
3 patentsUS8503098B2Aug 6, 2013
Zoom lens for projection and projection-type display apparatus
SADO KENZO3 citations59
US8228613B2Jul 24, 2012
Wide-angle projection zoom lens and projection type display apparatus
SADO KENZO4 citations59
US8213091B2Jul 3, 2012
Wide-angle projection zoom lens and projection display device
SADO KENZO3 citations59