Inventor
YAMAWAKI TAKESHI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “YAMAWAKI TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
23 patentsUS7057632B2Jun 6, 2006
Optical scanning apparatus, image forming apparatus, and methods of performing optical scanning using optical scanning apparatus and image forming apparatus
CANON KK63 citations98
US6141302AOct 31, 2000
Optical recording/reproducing apparatus including a mask device for masking marginal rays, in a direction perpendicular to a recording medium track, of a light beam returned from the recording medium
CANON KK23 citations93
US6141118AOct 31, 2000
Optical scanning device
CANON KK37 citations93
US6046835AApr 4, 2000
Scanning optical apparatus
CANON KK55 citations93
US5608716AMar 4, 1997
Optical recording/reproducing apparatus including a semiconductor laser having a plurality of radiative portions having different physical characteristics
CANON KK38 citations93
US6756583B2Jun 29, 2004
Optical scanning device and image forming apparatus wherein the light source is kept continuously lit between line scans
CANON KK27 citations92
US6507427B1Jan 14, 2003
Scanning optical device and method of regulating imaging position thereof
CANON KK15 citations84
US5966232AOct 12, 1999
Scanning optical system
CANON KK16 citations82
US6418109B2Jul 9, 2002
Optical recording/reproducing apparatus including a mask device for masking marginal rays, in a direction perpendicular to a recording medium track, of a light beam returned from the recording medium
CANON KK8 citations74
US6282165B1Aug 28, 2001
Optical recording/reproducing apparatus including a mask device for masking marginal rays, in a direction perpendicular to a recording medium track, of a light beam returned from the recording medium
CANON KK12 citations74
US6268877B1Jul 31, 2001
Scanning optical device featuring optical system image magnifications in main and subscanning directions within a prescribed range
CANON KK9 citations74
US6108115AAug 22, 2000
Scanning optical system
CANON KK13 citations74
US6104520AAug 15, 2000
Laser scanning optical system and image forming apparatus using the same
CANON KK7 citations74
US5781222AJul 14, 1998
Optical information recording/reproducing apparatus supplying a smaller high-frequency current to a first semiconductor laser for generating a light beam to record information than to a second semiconductor laser for reproducing recorded information
CANON KK12 citations74
US6930807B1Aug 16, 2005
Color image reading apparatus
CANON KK10 citations73
US7355773B2Apr 8, 2008
Optical scanning apparatus and image forming apparatus using same
CANON KK2 citations63
US6963433B2Nov 8, 2005
Multibeam scanning optical device and image forming apparatus using the same
CANON KK4 citations63
US6930812B2Aug 16, 2005
Multi-beam light scanning optical system and image forming apparatus using same
CANON KK5 citations63
US7450284B2Nov 11, 2008
Optical scanning apparatus and image forming apparatus using the same including relationship between interval between deflector and scanned surface and a natural convergent point
CANON KK2 citations62
US5490129AFeb 6, 1996
Optical head and optical information reading apparatus
CANON KK2 citations61
US7557974B2Jul 7, 2009
Optical scanning apparatus and image forming apparatus using the same including relationship between interval between deflector and scanned surface and a natural convergent point
CANON KK0 citations51
US9035987B2May 19, 2015
Image forming apparatus, including a light scanning apparatus that emits a light flux
CANON KK0 citations42
US6882404B2Apr 19, 2005
Scanning optical device and image forming apparatus using the same
CANON KK0 citations42
MITSUBISHI CHEM IND
4 patentsUS4065426ADec 27, 1977
Method for the preparation of powdered rubber
MITSUBISHI CHEM IND22 citations82
US4111039ASep 5, 1978
Apparatus for measuring the hardness of rubber
MITSUBISHI CHEM IND23 citations77
US3975461AAug 17, 1976
Process for preparing a graft copolymer
MITSUBISHI CHEM IND4 citations63
US4081994AApr 4, 1978
Method of tension stress testing of rubber
MITSUBISHI CHEM IND4 citations61
TOYOTA MOTOR CO LTD
3 patentsYAMAWAKI TAKESHI
3 patentsUS8314824B2Nov 20, 2012
Optical scanning apparatus and image forming apparatus using the same
YAMAWAKI TAKESHI2 citations60
US8699077B2Apr 15, 2014
Scanning optical apparatus and image forming apparatus using the same
YAMAWAKI TAKESHI0 citations39
US8130254B2Mar 6, 2012
Optical scanning apparatus and color image forming apparatus using the same
YAMAWAKI TAKESHI0 citations39