Inventor
OHTSUKA YASUMASA
JP45 patents
⚠️ This page may combine multiple inventors who share the name “OHTSUKA YASUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
37 patentsUS6377777B1Apr 23, 2002
Fluorine-containing resin-coated pressure roller and heat-fixing device
CANON KK56 citations96
US5568240AOct 22, 1996
Image heating apparatus
CANON KK60 citations96
US5552582ASep 3, 1996
Image heating apparatus
CANON KK90 citations96
US5534987AJul 9, 1996
Fixing apparatus with variable fixing temperature
CANON KK62 citations96
US5464964ANov 7, 1995
Image heating apparatus changing set temperature in accordance with temperature of heater
CANON KK69 citations96
US5331385AJul 19, 1994
Fixing rotatable member having conductive parting layer and fixing apparatus using same
CANON KK80 citations96
US5253022AOct 12, 1993
Image forming apparatus
CANON KK62 citations96
US5179397AJan 12, 1993
Image forming apparatus with constant voltage and constant current control
CANON KK65 citations96
US4719489AJan 12, 1988
Recording apparatus having material feed mode dependent fixing control
CANON KK74 citations96
US6469279B1Oct 22, 2002
Image heating apparatus and heater
CANON KK38 citations93
US6347211B2Feb 12, 2002
Fixing apparatus preventing leakage of electric current from inner surface of fixing roller
CANON KK34 citations93
US6005594ADec 21, 1999
Fixing apparatus having a fixing roller with a non-adhesive surface layer
CANON KK30 citations93
US5862445AJan 19, 1999
Image heating apparatus using inductive heating
CANON KK39 citations93
US5778293AJul 7, 1998
Image heating apparatus
CANON KK31 citations93
US5153654AOct 6, 1992
Image forming apparatus having transfer member for carrying transfer material
CANON KK38 citations93
US5852763ADec 22, 1998
Image heating apparatus
CANON KK46 citations92
US5801360ASep 1, 1998
Image fixing apparatus
CANON KK45 citations92
US5697037ADec 9, 1997
Fixing device and film for use in it
CANON KK21 citations92
US5669039ASep 16, 1997
Image heating apparatus capable of varying feeding intervals between recording materials
CANON KK46 citations92
US5592276AJan 7, 1997
Image fixing device with heater responsive to thermal stress
CANON KK35 citations92
US5552874ASep 3, 1996
Image fixing apparatus
CANON KK40 citations92
US5471288ANov 28, 1995
Image heating apparatus and heating film
CANON KK22 citations92
US5444521AAug 22, 1995
Image fixing device capable of controlling heating overshoot
CANON KK49 citations92
US5365314ANov 15, 1994
Image heating apparatus capable of changing duty ratio
CANON KK44 citations92
US5253024AOct 12, 1993
Fixing apparatus with rectifier element
CANON KK41 citations92
US5235386AAug 10, 1993
Charging device having charging member, process cartridge and image forming apparatus
CANON KK47 citations92
US5177549AJan 5, 1993
Image forming apparatus supplied with controllable bias voltage
CANON KK45 citations92
US5138390AAug 11, 1992
Cleaning sheet for fixating rotational member and image forming apparatus having fixating rotational member
CANON KK48 citations92
US4626096ADec 2, 1986
Image forming apparatus for forming a visual image in accordance with image signals
CANON KK26 citations92
US5860052AJan 12, 1999
Image heating apparatus
CANON KK20 citations91
US6323460B1Nov 27, 2001
Image heating apparatus in which first and second heating resistors are within a width of a nip through which a recording material passes
CANON KK19 citations84
US4725854AFeb 16, 1988
Laser emitting apparatus and laser beam printer using same
CANON KK24 citations82
US4707748ANov 17, 1987
Image recording apparatus
CANON KK22 citations82
US4965747AOct 23, 1990
Image forming apparatus
CANON KK6 citations74
US5659869AAug 19, 1997
Image fixing apparatus having pressure roller with fluorine surface active agent
CANON KK11 citations71
US4682876AJul 28, 1987
Information recording apparatus
CANON KK6 citations63
US4563694AJan 7, 1986
Image information recording apparatus
CANON KK6 citations63
NEC CORP
7 patentsUS10997422B2May 4, 2021
Information processing apparatus, information processing method, and program
NEC CORP5 citations82
US12299993B2May 13, 2025
Information processing apparatus, information processing method, and program
NEC CORP0 citations60
US12272145B2Apr 8, 2025
Information processing apparatus, information processing method, and program
NEC CORP0 citations60
US12223730B2Feb 11, 2025
Information processing apparatus, information processing method, and program
NEC CORP0 citations60
US12183082B2Dec 31, 2024
Information processing apparatus, information processing method, and program
NEC CORP0 citations60
US12131547B2Oct 29, 2024
Information processing apparatus, information processing method, and program
NEC CORP0 citations60
US11494579B2Nov 8, 2022
Information processing apparatus, information processing method, and program
NEC CORP0 citations60