Inventor
UMEZAWA MASAO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “UMEZAWA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
15 patentsUS7283763B2Oct 16, 2007
Fixing apparatus, and image forming apparatus
CANON KK28 citations92
US7209696B2Apr 24, 2007
Image heating apparatus with elastic conductive member contacting internal surface of rotation member
CANON KK20 citations92
US7003253B2Feb 21, 2006
Image heating apparatus including rotary member with metal layer
CANON KK43 citations92
US6347201B1Feb 12, 2002
Image heating apparatus
CANON KK48 citations92
US5471284ANov 28, 1995
Image forming apparatus having toner depletion detection feature
CANON KK28 citations92
US5414493AMay 9, 1995
Image forming apparatus
CANON KK39 citations92
US6430386B2Aug 6, 2002
Image heating apparatus provided with a body that is movable with a recording material
CANON KK20 citations90
US7136601B2Nov 14, 2006
Fixing apparatus and image forming apparatus with temperature controller increasing electric power substantially at a timing with temperature degradation
CANON KK17 citations84
US7054573B2May 30, 2006
Heating apparatus
CANON KK12 citations84
US7013097B2Mar 14, 2006
Fixing apparatus, and image forming apparatus
CANON KK11 citations84
US10189644B2Jan 29, 2019
Driving force transmission device and image-forming apparatus
CANON KK2 citations72
US9783365B2Oct 10, 2017
Driving force transmission device and image-forming apparatus
CANON KK4 citations72
US7778582B2Aug 17, 2010
Image heating apparatus with frame accommodating apparatus components
CANON KK4 citations63
US10611586B2Apr 7, 2020
Sheet stacking apparatus and image forming apparatus
CANON KK0 citations41
US7738823B2Jun 15, 2010
Image forming apparatus for realizing downsizing of a main body of the apparatus
CANON KK0 citations41
DUPONT TORAY CO LTD
8 patentsUS6639041B2Oct 28, 2003
Spandex having low set at low temperatures
DUPONT TORAY CO LTD32 citations92
US6399003B1Jun 4, 2002
Process for making melt-spun spandex
DUPONT TORAY CO LTD14 citations84
US6096252AAug 1, 2000
Process of making polyurethane fiber
DUPONT TORAY CO LTD8 citations74
US6214145B1Apr 10, 2001
Coalesced multifilament spandex and method for its preparation
DUPONT TORAY CO LTD7 citations73
US6225435B1May 1, 2001
Stable polyurethaneurea solutions
DUPONT TORAY CO LTD9 citations68
US6623585B2Sep 23, 2003
Coalesced multifilament spandex and method for its preparation
DUPONT TORAY CO LTD2 citations62
US6403712B1Jun 11, 2002
Process for the manufacture of spandex and the spandex made thereby
DUPONT TORAY CO LTD5 citations62
US5962130AOct 5, 1999
Durable polyurethane fiber and method for the manufacture thereof
DUPONT TORAY CO LTD6 citations57
TORAY INDUSTRIES
3 patentsUS4942091AJul 17, 1990
Polyphenylene sulfone fibers and a method for production thereof
TORAY INDUSTRIES24 citations92
US4390566AJun 28, 1983
Method of producing soft sheet
TORAY INDUSTRIES26 citations82
US5244467ASep 14, 1993
Method for production of polyphenylene sulfone fibers
TORAY INDUSTRIES11 citations73