Inventor
FUJIWARA SHIGERU
JP47 patents
⚠️ This page may combine multiple inventors who share the name “FUJIWARA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
17 patentsUS5469248ANov 21, 1995
Image forming apparatus having means for applying a common transfer bias voltage to first and second transfer rollers
TOSHIBA KK42 citations92
US5266997ANov 30, 1993
Electrophotographic image forming apparatus including means for correcting density drift
TOSHIBA KK24 citations92
US4866480ASep 12, 1989
Developing apparatus using one-component non-magnetic toner
TOSHIBA KK33 citations92
US9104154B2Aug 11, 2015
Image forming apparatus and method which controls the temperature of a fixing apparatus
TOSHIBA KK9 citations84
US5455661AOct 3, 1995
Charging device for an image forming apparatus
TOSHIBA KK19 citations82
US7773908B2Aug 10, 2010
Image forming apparatus with cleaning device that does not cause excessive cutting and cleaning method
TOSHIBA KK4 citations74
US7542695B2Jun 2, 2009
Image forming apparatus with cleaning device that does not cause excessive cutting and cleaning method
TOSHIBA KK6 citations74
US5512982AApr 30, 1996
Image-forming apparatus with a photosensitive member and a charging device having an oscillatory voltage source
TOSHIBA KK9 citations74
US5196886AMar 23, 1993
Electrophotographic image forming apparatus including means for correcting density drift
TOSHIBA KK13 citations74
US9423733B2Aug 23, 2016
Sheet processing apparatus and image forming apparatus having the same
TOSHIBA KK2 citations63
US7983588B2Jul 19, 2011
Image forming apparatus with cleaning device that does not cause excessive cutting and cleaning method
TOSHIBA KK2 citations63
US7466464B2Dec 16, 2008
Image forming apparatus and image forming method
TOSHIBA KK5 citations63
US5486907AJan 23, 1996
Brush charging device for an image forming apparatus and a method for manufacturing the same
TOSHIBA KK3 citations63
US5276486AJan 4, 1994
Image forming device
TOSHIBA KK5 citations62
US5140370AAug 18, 1992
Image forming apparatus for forming a master copy
TOSHIBA KK4 citations61
US9158247B2Oct 13, 2015
Fuser for equalizing temperature of heat generating section
TOSHIBA KK0 citations52
US5483271AJan 9, 1996
Electrostatic latent image forming apparatus having a plurality of photoelectric converters
TOSHIBA KK0 citations41
TOSHIBA TEC KK
7 patentsUS7236276B2Jun 26, 2007
Image forming apparatus and image forming method
TOSHIBA TEC KK12 citations84
US6529694B1Mar 4, 2003
Image forming apparatus with density control
TOSHIBA TEC KK14 citations84
US11009808B2May 18, 2021
Toner cartridge and image forming apparatus
TOSHIBA TEC KK0 citations62
US10969710B1Apr 6, 2021
Image forming apparatus and method of controlling image forming apparatus
TOSHIBA TEC KK0 citations62
US10816912B2Oct 27, 2020
Toner cartridge and image forming apparatus using toner characteristics for improving image quality
TOSHIBA TEC KK0 citations52
US10809646B2Oct 20, 2020
Toner cartridge and image forming apparatus
TOSHIBA TEC KK0 citations52
US10691042B2Jun 23, 2020
Image forming apparatus
TOSHIBA TEC KK0 citations42
TOSHIBA MACHINE CO LTD
4 patentsUS7503189B2Mar 17, 2009
Press forming machine for glass
TOSHIBA MACHINE CO LTD11 citations83
US11213997B2Jan 4, 2022
Transfer apparatus and transfer method
TOSHIBA MACHINE CO LTD0 citations52
US11040482B2Jun 22, 2021
Transfer method, transfer apparatus, and mold
TOSHIBA MACHINE CO LTD0 citations52
US9914261B2Mar 13, 2018
Transfer device, molded material and transfer method
TOSHIBA MACHINE CO LTD1 citations50
FUJIWARA SHIGERU
4 patentsUS9339055B2May 17, 2016
T cell apoptosis inducer and method therefore
FUJIWARA SHIGERU16 citations76
US8879976B2Nov 4, 2014
Image forming and erasing apparatus and image forming and erasing method
FUJIWARA SHIGERU5 citations72
US8693912B2Apr 8, 2014
Fixing device and image forming apparatus
FUJIWARA SHIGERU4 citations72
US8190053B2May 29, 2012
Image forming apparatus with cleaning device that does not cause excessive cutting and cleaning method
FUJIWARA SHIGERU0 citations51
TOKYO GAS CO LTD
3 patentsUS5461312AOct 24, 1995
Remote field eddy current sensor for detecting flaws in metal material
TOKYO GAS CO LTD17 citations80
US5365169ANov 15, 1994
Remote field eddy current flaw detector for metal material including attenuator, adder, phase shiftery and phase comparator
TOKYO GAS CO LTD14 citations80
US5210492AMay 11, 1993
Remote field eddy current flaw detector for metal pipes having a pair of receiver coils providing a differential offset amplitude signal
TOKYO GAS CO LTD18 citations80