Inventor
AKIYAMA TAKESHI
JP90 patents
⚠️ This page may combine multiple inventors who share the name “AKIYAMA TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
38 patentsUS6166866ADec 26, 2000
Reflecting type optical system
CANON KK108 citations99
US6021004AFeb 1, 2000
Reflecting type of zoom lens
CANON KK92 citations98
US6351333B2Feb 26, 2002
Optical element and optical system having the same
CANON KK105 citations97
US6522475B2Feb 18, 2003
Zoom lens
CANON KK50 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
US6268963B1Jul 31, 2001
Optical system having a reflecting surface
CANON KK82 citations96
US5663833ASep 2, 1997
Image display apparatus
CANON KK85 citations96
US7684079B2Mar 23, 2010
Image forming apparatus and its control method
CANON KK40 citations95
US9118857B2Aug 25, 2015
Solid-state imaging apparatus in which plural transistors are connected to a single initializing switch
CANON KK21 citations93
US6842280B2Jan 11, 2005
Optical element and optical apparatus
CANON KK22 citations93
US6278553B1Aug 21, 2001
Optical system having refractive index distribution
CANON KK41 citations93
US6270224B1Aug 7, 2001
Optical system and optical apparatus having the same
CANON KK30 citations93
US6124986ASep 26, 2000
Zoom optical system and image pickup apparatus
CANON KK51 citations93
US5844713ADec 1, 1998
Image displaying apparatus
CANON KK37 citations93
US5515122AMay 7, 1996
Image displaying apparatus
CANON KK29 citations93
US7630100B2Dec 8, 2009
Color image forming apparatus
CANON KK19 citations92
US6639729B2Oct 28, 2003
Reflecting type of zoom lens
CANON KK23 citations92
US6636360B1Oct 21, 2003
Reflecting type of zoom lens
CANON KK20 citations92
US9432607B2Aug 30, 2016
Solid-state imaging apparatus and imaging system
CANON KK10 citations84
US8885082B2Nov 11, 2014
Solid-state image sensor and camera
CANON KK16 citations84
US6637899B2Oct 28, 2003
Optical element and optical system having the same
CANON KK15 citations84
US6426841B1Jul 30, 2002
Optical apparatus
CANON KK16 citations84
US6120156ASep 19, 2000
Optical element and optical system having the same
CANON KK17 citations84
US9760815B2Sep 12, 2017
Image processing apparatus and an image processing method for performing a correction process of a tone value of a pixel for smoothing a jaggy
CANON KK5 citations83
US7619775B2Nov 17, 2009
Image forming system with density conversion based on image characteristics and amount of color shift
CANON KK19 citations83
US7344217B2Mar 18, 2008
Image forming apparatus and its control method, and computer program and computer readable storage medium
CANON KK14 citations83
US7129964B2Oct 31, 2006
Image printing apparatus and image printing method
CANON KK10 citations74
US6785060B2Aug 31, 2004
Reflecting type optical system
CANON KK5 citations74
US6728044B2Apr 27, 2004
Zoom lens
CANON KK12 citations74
US6529330B1Mar 4, 2003
Observation optical system and optical device having the same
CANON KK8 citations74
US6204978B1Mar 20, 2001
Optical system
CANON KK13 citations74
US9596425B2Mar 14, 2017
Driving method for an image pickup apparatus, image pickup apparatus, and image pickup system
CANON KK2 citations73
US8848079B2Sep 30, 2014
Solid-state imaging device and imaging system using buffered counter value of a counter
CANON KK5 citations73
US7770994B2Aug 10, 2010
Image forming apparatus and its control method, and computer program and computer-readable storage medium
CANON KK7 citations73
US11394908B2Jul 19, 2022
Imaging device and imaging system having a clip circuit limiting a signal level of an output line
CANON KK3 citations72
US6335837B1Jan 1, 2002
Optical element and optical apparatus having it
CANON KK11 citations72
MABUCHI MOTOR CO
4 patentsUS5290005AMar 1, 1994
Supporting device for miniature motors
MABUCHI MOTOR CO17 citations74
US4500804AFeb 19, 1985
Small electric motor
MABUCHI MOTOR CO8 citations74
US5294497AMar 15, 1994
Battery box using a miniature-motor package
MABUCHI MOTOR CO11 citations70
US4749899AJun 7, 1988
Miniature rotary machinery with brushgear
MABUCHI MOTOR CO13 citations67
JAPAN TOBACCO INC
3 patentsNIHON KOHDEN CORP
3 patentsUS7615011B2Nov 10, 2009
Method and apparatus for measuring blood volume, and vital sign monitor using the same
NIHON KOHDEN CORP15 citations92
US7402138B2Jul 22, 2008
Method and apparatus for measuring blood volume, and vital sign monitor using the same
NIHON KOHDEN CORP7 citations74
US9585585B2Mar 7, 2017
Electrode pad
NIHON KOHDEN CORP2 citations68
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
1 patentTOJIMA KENZO
1 patentShowing the top 50 of 90 patents by PatentIndex Score.