Inventor
HAYAKAWA AKIRA
JP44 patents
⚠️ This page may combine multiple inventors who share the name “HAYAKAWA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
20 patentsUS6377777B1Apr 23, 2002
Fluorine-containing resin-coated pressure roller and heat-fixing device
CANON KK56 citations96
US6175699B1Jan 16, 2001
Image fixing device with heater control
CANON KK63 citations96
US5534987AJul 9, 1996
Fixing apparatus with variable fixing temperature
CANON KK62 citations96
US6094559AJul 25, 2000
Fixing apparatus having cleaning mode and storage medium storing program therefor
CANON KK52 citations95
US6583389B2Jun 24, 2003
Image heating apparatus, heater for heating image and manufacturing method thereof
CANON KK42 citations92
US5852763ADec 22, 1998
Image heating apparatus
CANON KK46 citations92
US5801360ASep 1, 1998
Image fixing apparatus
CANON KK45 citations92
US5669039ASep 16, 1997
Image heating apparatus capable of varying feeding intervals between recording materials
CANON KK46 citations92
US5621510AApr 15, 1997
Image heating apparatus with driving roller having low thermal expansion coefficient outer layer
CANON KK36 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
US5444521AAug 22, 1995
Image fixing device capable of controlling heating overshoot
CANON KK49 citations92
US5420679AMay 30, 1995
Elastic roller and fixing apparatus using same
CANON KK46 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
US7515841B2Apr 7, 2009
Image forming apparatus for preventing defective fixing of a toner image
CANON KK5 citations63
US6947676B2Sep 20, 2005
Image forming apparatus and controlling method therefor determining state use of cartridge
CANON KK4 citations63
US7257342B2Aug 14, 2007
Image forming apparatus
CANON KK2 citations62
US7953359B2May 31, 2011
Apparatus for heating an image formed on a recording material
CANON KK1 citations52
US9141042B2Sep 22, 2015
Image forming apparatus having misregistration control
CANON KK0 citations41
SANKEN ELECTRIC CO LTD
9 patentsUS9455639B2Sep 27, 2016
Switched-mode power supply device
SANKEN ELECTRIC CO LTD3 citations73
US9742289B2Aug 22, 2017
Integrated circuit and switching power-supply device
SANKEN ELECTRIC CO LTD6 citations72
US9614448B2Apr 4, 2017
Switching power-supply device
SANKEN ELECTRIC CO LTD4 citations71
US9590615B1Mar 7, 2017
Integrated circuit and switching power-supply device performing output control through switching operation
SANKEN ELECTRIC CO LTD5 citations71
US9748850B2Aug 29, 2017
Switching power-supply with switching frequency correction
SANKEN ELECTRIC CO LTD0 citations42
US9564813B2Feb 7, 2017
Switching power-supply device
SANKEN ELECTRIC CO LTD0 citations42
US9490715B2Nov 8, 2016
Switched-mode power supply device
SANKEN ELECTRIC CO LTD0 citations42
US9525353B2Dec 20, 2016
Switching power-supply device for performing control of output voltage switching operation
SANKEN ELECTRIC CO LTD0 citations40
US9559600B2Jan 31, 2017
Switched-mode power supply device
SANKEN ELECTRIC CO LTD0 citations34
BROTHER IND LTD
4 patentsUS5924372AJul 20, 1999
Embroidery data processing device for sewing machine including means for limiting repeated use of embroidery data
BROTHER IND LTD21 citations89
US6123040ASep 26, 2000
Sewing machine capable of changing a needle position
BROTHER IND LTD14 citations74
US5924373AJul 20, 1999
Electronic sewing machine control having numeric keys on display
BROTHER IND LTD4 citations63
US6227128B1May 8, 2001
Sewing machine having a display
BROTHER IND LTD1 citations52
FUJITSU LTD
3 patentsUS5986835ANov 16, 1999
Control apparatus and method for conveyance control of medium in library apparatus and data transfer control with upper apparatus
FUJITSU LTD36 citations89
US7039472B2May 2, 2006
Schedule execution managing apparatus and method
FUJITSU LTD15 citations81
US6839723B2Jan 4, 2005
Information management system
FUJITSU LTD2 citations60