Inventor
TOCHIGI NOBUYUKI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “TOCHIGI NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
19 patentsUS5963378AOct 5, 1999
Zoom lens
CANON KK95 citations98
US6894263B2May 17, 2005
Image reading imaging optical system and image reading apparatus using the same
CANON KK20 citations92
US6118593ASep 12, 2000
Zoom lens and optical apparatus having the same
CANON KK27 citations92
US5612825AMar 18, 1997
Zoom lens
CANON KK25 citations92
US5537255AJul 16, 1996
Zoom lens
CANON KK39 citations92
US5530592AJun 25, 1996
Zoom lens of rear focus type
CANON KK34 citations92
US7414761B2Aug 19, 2008
Imaging optical system and image reading apparatus
CANON KK10 citations84
US6049431AApr 11, 2000
Zoom lens
CANON KK19 citations84
US7253928B2Aug 7, 2007
Imaging optical system and image reading apparatus using the same
CANON KK9 citations73
US7177095B2Feb 13, 2007
Zoom lens and imaging apparatus having the same
CANON KK7 citations73
US6606207B2Aug 12, 2003
Image reading lens and image reading apparatus using the same
CANON KK9 citations73
US6388818B1May 14, 2002
Zoom lens and optical apparatus having the same
CANON KK7 citations73
US7684094B2Mar 23, 2010
Image optical system and image reading apparatus equipped with same
CANON KK3 citations62
US7224498B2May 29, 2007
Image reading apparatus
CANON KK3 citations62
US7929187B2Apr 19, 2011
Image optical system and image reading apparatus equipped with same
CANON KK0 citations52
US7570444B2Aug 4, 2009
Imaging optical system and image reading apparatus using the same
CANON KK0 citations52
US7397585B2Jul 8, 2008
Imaging optical system and image reading apparatus including four, free-form shaped, resin off-axis reflective elements
CANON KK0 citations52
US9217667B2Dec 22, 2015
Spectrometer and image forming apparatus having the same
CANON KK0 citations51
US8705154B2Apr 22, 2014
Spectral colorimetric apparatus and image forming apparatus using the same
CANON KK1 citations51