Inventor
TAKIZAWA TOKUJI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “TAKIZAWA TOKUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
8 patentsUS7542189B2Jun 2, 2009
Light scanning apparatus and image forming apparatus using the light scanning apparatus
CANON KK14 citations83
US10412245B2Sep 10, 2019
Method of manufacturing light-transmitting member, light-transmitting member and image reading apparatus
CANON KK1 citations62
US12569133B2Mar 10, 2026
Optical system and inspection apparatus
CANON KK0 citations59
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
US7554709B2Jun 30, 2009
Optical scanning apparatus and image forming apparatus employing this apparatus
CANON KK0 citations51
US7397590B2Jul 8, 2008
Optical scanning apparatus and image forming apparatus employing this apparatus
CANON KK0 citations51
US7375847B2May 20, 2008
Optical scanning device and image forming apparatus using the same
CANON KK2 citations50
TAKIZAWA TOKUJI
3 patentsUS8451443B2May 28, 2013
Diffraction optical element, spectral colorimetric apparatus, and image forming apparatus
TAKIZAWA TOKUJI7 citations81
US8462406B2Jun 11, 2013
Spectral colorimetric apparatus and image forming apparatus using the same
TAKIZAWA TOKUJI2 citations60
US8451522B2May 28, 2013
Optical scanning apparatus and image forming apparatus using the same
TAKIZAWA TOKUJI0 citations38