Inventor
IKUTA MASAHIRO
JP44 patents
⚠️ This page may combine multiple inventors who share the name “IKUTA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
18 patentsUS7608378B2Oct 27, 2009
Developing agent and method for manufacturing the same
TOSHIBA KK12 citations84
US9821590B2Nov 21, 2017
Color erasing apparatus, color erasing system and color erasing control method
TOSHIBA KK2 citations73
US9645519B2May 9, 2017
Developer with toner and carrier, and image forming apparatus using the same
TOSHIBA KK2 citations72
US7985525B2Jul 26, 2011
Method for producing developing agent
TOSHIBA KK2 citations63
US7794912B2Sep 14, 2010
Developing agent and method for manufacturing the same
TOSHIBA KK5 citations62
US9555657B2Jan 31, 2017
Color erasing apparatus, color erasing system and color erasing control method
TOSHIBA KK0 citations52
US9277075B2Mar 1, 2016
Color erasing apparatus, color erasing system and color erasing control method
TOSHIBA KK0 citations52
US8029962B2Oct 4, 2011
Developing agent
TOSHIBA KK0 citations52
US8012661B2Sep 6, 2011
Method for producing developing agent
TOSHIBA KK1 citations52
US8003290B2Aug 23, 2011
Developing agent and method for manufacturing the same
TOSHIBA KK0 citations52
US7981587B2Jul 19, 2011
Developing agent and method for producing the same
TOSHIBA KK0 citations52
US7901862B2Mar 8, 2011
Developing agent and method for manufacturing the same
TOSHIBA KK0 citations52
US7763408B2Jul 27, 2010
Method for manufacturing developing agent
TOSHIBA KK0 citations52
US7705096B2Apr 27, 2010
Manufacturing method of resin for developing agent
TOSHIBA KK0 citations52
US10073368B2Sep 11, 2018
Developer with toner and carrier, and image forming apparatus using the same
TOSHIBA KK0 citations51
US7960086B2Jun 14, 2011
Developing agent and method for manufacturing the same
TOSHIBA KK0 citations51
US7851120B2Dec 14, 2010
Developing agent and method for producing the same
TOSHIBA KK1 citations51
US10063727B2Aug 28, 2018
Marking apparatus and decoloring apparatus
TOSHIBA KK0 citations40
TOSHIBA TEC KK
17 patentsUS9348249B2May 24, 2016
Image forming apparatus and image forming and decoloring system
TOSHIBA TEC KK3 citations73
US9291950B2Mar 22, 2016
Apparatus and method for forming an image with a non-decolorizable material and a decolorizable material
TOSHIBA TEC KK2 citations63
US11009808B2May 18, 2021
Toner cartridge and 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
US10684568B2Jun 16, 2020
Reversibly allochroic toner, method of producing the same, toner cartridge, and image forming apparatus
TOSHIBA TEC KK0 citations52
US9933721B2Apr 3, 2018
Electrophotographic toner and method for producing the same
TOSHIBA TEC KK0 citations52
US9798260B2Oct 24, 2017
Decolorizable toner
TOSHIBA TEC KK0 citations52
US9757969B2Sep 12, 2017
Apparatus and method for forming an image with a non-decolorizable material and a decolorizable material
TOSHIBA TEC KK0 citations52
US9539843B2Jan 10, 2017
Apparatus and method for forming an image with a non-decolorizable material and a decolorizable material
TOSHIBA TEC KK0 citations52
US9519236B2Dec 13, 2016
Reversibly allochroic toner, method of producing the same, toner cartridge, and image forming apparatus
TOSHIBA TEC KK1 citations52
US9366983B2Jun 14, 2016
Decolorizable toner
TOSHIBA TEC KK0 citations52
US9360781B2Jun 7, 2016
Toner set for printing system and printing system
TOSHIBA TEC KK0 citations52
US9261805B1Feb 16, 2016
Toner set for printing system and printing system
TOSHIBA TEC KK1 citations52
US9217941B2Dec 22, 2015
Method of manufacturing erasable toner
TOSHIBA TEC KK0 citations52
US9128394B2Sep 8, 2015
Electrophotographic toner and method for producing the same
TOSHIBA TEC KK1 citations52
US9500969B2Nov 22, 2016
Electrophotographic toner and method for producing the same
TOSHIBA TEC KK0 citations42
ITOU TSUYOSHI
4 patentsUS8790857B2Jul 29, 2014
Toner and process for production thereof
ITOU TSUYOSHI1 citations51
US8669036B2Mar 11, 2014
Producing method of toner
ITOU TSUYOSHI0 citations51
US8603722B2Dec 10, 2013
Toner producing method and toner
ITOU TSUYOSHI0 citations51
US8227167B2Jul 24, 2012
Developing agent and method for producing developing agent
ITOU TSUYOSHI0 citations49