Inventor
SEKITA MAKOTO
JP59 patents
⚠️ This page may combine multiple inventors who share the name “SEKITA MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
49 patentsUS6545819B1Apr 8, 2003
Zoom lens and optical apparatus having the same
CANON KK92 citations99
US6166866ADec 26, 2000
Reflecting type optical system
CANON KK108 citations99
US5907434AMay 25, 1999
Image pickup apparatus
CANON KK162 citations99
US5757423AMay 26, 1998
Image taking apparatus
CANON KK175 citations99
US6498687B1Dec 24, 2002
Zoom lens and optical apparatus having the same
CANON KK82 citations98
US6021004AFeb 1, 2000
Reflecting type of zoom lens
CANON KK92 citations98
US6822808B2Nov 23, 2004
Zoom lens and optical apparatus having the same
CANON KK28 citations96
US6366411B1Apr 2, 2002
Reflecting type optical system
CANON KK53 citations96
US6301064B1Oct 9, 2001
Optical apparatus
CANON KK60 citations96
US6292309B1Sep 18, 2001
Reflecting type of zoom lens
CANON KK54 citations96
US5995287ANov 30, 1999
Optical element having a plurality of decentered reflecting curved surfaces, and optical instrument including the same
CANON KK47 citations96
US5973858AOct 26, 1999
Reflecting optical system and optical apparatus
CANON KK64 citations96
US5694165ADec 2, 1997
High definition image taking apparatus having plural image sensors
CANON KK70 citations96
US5682269AOct 28, 1997
Objective lens device
CANON KK64 citations96
US5132848AJul 21, 1992
Wideangle four group zoom lens
CANON KK70 citations96
US7215483B2May 8, 2007
Zoom lens system and image pickup apparatus having the same
CANON KK33 citations93
US7113347B2Sep 26, 2006
Zoom lens and optical apparatus having the same
CANON KK12 citations93
US6862143B2Mar 1, 2005
Zoom lens and optical apparatus having the same
CANON KK18 citations93
US6842280B2Jan 11, 2005
Optical element and optical apparatus
CANON KK22 citations93
US6735020B2May 11, 2004
Zoom lens and image pickup apparatus
CANON KK21 citations93
US6633437B1Oct 14, 2003
Zoom lens and photographing apparatus having it
CANON KK36 citations93
US6124986ASep 26, 2000
Zoom optical system and image pickup apparatus
CANON KK51 citations93
US5917662AJun 29, 1999
Phototaking optical system and optical device
CANON KK47 citations93
US5253113AOct 12, 1993
Wide-angle zoom lens having five lens units
CANON KK41 citations93
US5103343AApr 7, 1992
Variable magnification lens of rear focus type
CANON KK31 citations93
US4991942AFeb 12, 1991
Zoom lens
CANON KK38 citations93
US6639729B2Oct 28, 2003
Reflecting type of zoom lens
CANON KK23 citations92
US6636360B1Oct 21, 2003
Reflecting type of zoom lens
CANON KK20 citations92
US6339447B1Jan 15, 2002
Image sensing apparatus
CANON KK29 citations92
US6337772B2Jan 8, 2002
Optical element, optical system using optical element, and optical device with optical element
CANON KK28 citations92
US5486861AJan 23, 1996
Electronic camera with dual exposure and selective recording
CANON KK43 citations92
US4969723ANov 13, 1990
Parallax adjusting mechanism for a finder device
CANON KK37 citations92
US7035023B2Apr 25, 2006
Lens system
CANON KK24 citations91
US6616287B2Sep 9, 2003
Optical element
CANON KK41 citations87
US7382551B2Jun 3, 2008
Zoom lens system and image-pickup apparatus including same
CANON KK10 citations84
US7333275B2Feb 19, 2008
Zoom lens system and image pickup apparatus including the same
CANON KK12 citations84
US6943962B2Sep 13, 2005
Zoom lens system
CANON KK14 citations84
US6426841B1Jul 30, 2002
Optical apparatus
CANON KK16 citations84
US6999242B2Feb 14, 2006
Zoom lens and optical apparatus having the same
CANON KK10 citations82
US6243208B1Jun 5, 2001
Optical element, optical system using optical element, and optical device with optical element
CANON KK13 citations82
US7460311B2Dec 2, 2008
Zoom lens system and image pickup apparatus including the same
CANON KK6 citations74
US7450318B2Nov 11, 2008
Zoom lens and optical apparatus having the same
CANON KK6 citations74
US7307795B2Dec 11, 2007
Zoom lens and image pickup apparatus having the same
CANON KK7 citations74
US7259920B2Aug 21, 2007
Zoom lens and image pickup apparatus having the same
CANON KK6 citations74
US7227701B2Jun 5, 2007
Zoom lens and optical apparatus having the same
CANON KK6 citations74
US7113348B2Sep 26, 2006
Zoom lens and optical apparatus having the same
CANON KK6 citations74
US7023625B2Apr 4, 2006
Zoom lens and optical apparatus having the same
CANON KK8 citations74
US6940662B2Sep 6, 2005
Lens system and camera having the same
CANON KK9 citations74
US6785060B2Aug 31, 2004
Reflecting type optical system
CANON KK5 citations74
CANON KA USHIKI
1 patentShowing the top 50 of 59 patents by PatentIndex Score.