Inventor
KITAZAWA TOSHIYUKI
JP29 patents
⚠️ This page may combine multiple inventors who share the name “KITAZAWA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
22 patentsUS5721989AFeb 24, 1998
Camera having a mode memory device
ASAHI OPTICAL CO LTD45 citations92
US5150140ASep 22, 1992
Motor driven camera having strobe incorporated therein
ASAHI OPTICAL CO LTD23 citations92
US4994843AFeb 19, 1991
Focus indicating apparatus of automatic focusing camera
ASAHI OPTICAL CO LTD42 citations92
US4954859ASep 4, 1990
Motor driven camera
ASAHI OPTICAL CO LTD25 citations92
US4560264ADec 24, 1985
Device for displaying data in camera viewfinder
ASAHI OPTICAL CO LTD42 citations92
US5400110AMar 21, 1995
Camera having powered zoom lens
ASAHI OPTICAL CO LTD15 citations74
US5280319AJan 18, 1994
Exposure control apparatus of camera including exposure factor limit value setting means
ASAHI OPTICAL CO LTD8 citations74
US5231442AJul 27, 1993
Camera with zoom lens operation display device
ASAHI OPTICAL CO LTD7 citations74
US5105212AApr 14, 1992
Motor-driven camera
ASAHI OPTICAL CO LTD8 citations74
US4730200AMar 8, 1988
Mirror-driving mechanism for single-lens reflex cameras
ASAHI OPTICAL CO LTD17 citations74
US6174093B1Jan 16, 2001
Motor-driven single-lens reflex camera and motor-driven single-lens reflex camera for self-feeding film cartridge
ASAHI OPTICAL CO LTD8 citations73
US5602616AFeb 11, 1997
Exposure control apparatus of camera
ASAHI OPTICAL CO LTD9 citations73
US5257052AOct 26, 1993
Electrically driving apparatus of mirror in single-lens reflex camera
ASAHI OPTICAL CO LTD9 citations70
US5727244AMar 10, 1998
Motor-driven camera
ASAHI OPTICAL CO LTD5 citations63
US5485242AJan 16, 1996
Exposure control apparatus of camera
ASAHI OPTICAL CO LTD4 citations63
US4952954AAug 28, 1990
Motor driven camera
ASAHI OPTICAL CO LTD4 citations63
US5848312ADec 8, 1998
Camera with built-in strobe
ASAHI OPTICAL CO LTD3 citations62
US5646711AJul 8, 1997
Motor-driven camera
ASAHI OPTICAL CO LTD6 citations62
US5382997AJan 17, 1995
Exposure control apparatus of camera
ASAHI OPTICAL CO LTD5 citations62
US5309184AMay 3, 1994
Mechanical control apparatus of a single lens reflex camera
ASAHI OPTICAL CO LTD5 citations62
US5025276AJun 18, 1991
Control apparatus of single-lens reflex camera
ASAHI OPTICAL CO LTD5 citations60
US5887210AMar 23, 1999
Camera having motor driven mechanism
ASAHI OPTICAL CO LTD1 citations52
CANON KK
4 patentsUS11420451B2Aug 23, 2022
Printing apparatus and method of controlling printing apparatus
CANON KK2 citations71
US12090750B2Sep 17, 2024
Printing apparatus and method of controlling printing apparatus
CANON KK0 citations60
US12263673B2Apr 1, 2025
Processing apparatus
CANON KK0 citations52
US12208609B2Jan 28, 2025
Printing apparatus and control method of printing apparatus
CANON KK0 citations52