Patents by Inventor Toshiaki Hasegawa

Toshiaki Hasegawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9733593
    Abstract: An electrostatic charge image developing carrier includes a magnetic core particle, and a coating layer that coats surfaces of the magnetic core particle, wherein the coating layer includes a binder resin, thermosetting resin particles, and crosslinked resin particles, and the crosslinked resin particle contains a polymer formed by polymerizing a monomer component including the same monomer as a monomer used in the polymerization of the binder resin.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: August 15, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Toshiaki Hasegawa, Norihito Fukushima, Shintaro Anno
  • Publication number: 20160238960
    Abstract: An electrostatic charge image developing carrier includes a core particle and a resin coating layer coated on the core particle, wherein the resin coating layer contains a cationic surfactant and an anionic surfactant and a total content of the cationic surfactant and the anionic surfactant in the resin coating layer is from 0.1% by weight to 6.0% by weight with respect to the entire resin coating layer.
    Type: Application
    Filed: August 31, 2015
    Publication date: August 18, 2016
    Inventors: Norihito FUKUSHIMA, Takeshi TANABE, Toshiaki HASEGAWA
  • Publication number: 20160026120
    Abstract: An electrostatic charge image developing carrier includes a magnetic core particle, and a coating layer that coats surfaces of the magnetic core particle, wherein the coating layer includes a binder resin, thermosetting resin particles, and crosslinked resin particles, and the crosslinked resin particle contains a polymer formed by polymerizing a monomer component including the same monomer as a monomer used in the polymerization of the binder resin.
    Type: Application
    Filed: January 29, 2015
    Publication date: January 28, 2016
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Toshiaki HASEGAWA, Norihito FUKUSHIMA, Shintaro ANNO
  • Publication number: 20140291857
    Abstract: A stacked structure, includes: a wiring; an insulating layer; a substrate; and a protective layer, wherein the wiring, the insulating layer, and the substrate are stacked from a bottom side, and an end portion of the wiring is projected from a side face of the stacked structure, and the protective layer is provided between the insulating layer and at least a part of the wiring and is configured of a material different from a material configuring the insulating layer.
    Type: Application
    Filed: March 20, 2014
    Publication date: October 2, 2014
    Applicant: Sony Corporation
    Inventors: Toshihiro Miura, Tomohide Naka, Toshiaki Hasegawa
  • Patent number: 8815486
    Abstract: A carrier for a two-component developer, includes: magnetic particles and a resin coating layer that is coated on the magnetic particles, the resin coating layer containing metal nitride particles having a volume average primary particle diameter of from about 300 to about 2,000 nm.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: August 26, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Norihito Fukushima, Toshiaki Hasegawa, Yosuke Tsurumi
  • Patent number: 8790858
    Abstract: An electrostatic charge image developing carrier has magnetic particles and a coating resin layer that coats surfaces of the magnetic particles and contains a hindered amine compound.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: July 29, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Toshiaki Hasegawa, Mona Tasaki, Fusako Kiyono
  • Patent number: 8715899
    Abstract: A carrier for a two-component developer includes magnetic particles, and a resin coating layer that covers the magnetic particles. The resin coating layer contains metal boride particles having a volume average primary particle diameter of from about 300 nm to about 2,500 nm.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: May 6, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Norihito Fukushima, Takeshi Shoji, Toshiaki Hasegawa
  • Publication number: 20140051022
    Abstract: An electrostatic charge image developing carrier includes a core particle that has a BET specific surface area of from 0.15 m2/g to 0.30 m2/g; and a coating layer that contains a polycyclohexyl methacrylate resin and has a void ratio of from 2% to 10% and with which the core particle is coated, in which a content of a volatile organic compound is less than or equal to 500 ppm.
    Type: Application
    Filed: May 1, 2013
    Publication date: February 20, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takeshi SHOJI, Norihito FUKUSHIMA, Toshiaki HASEGAWA
  • Patent number: 8580475
    Abstract: An electrostatic charge image developing carrier includes a core particle and a coating layer with which the surface of the core particle is coated. The coating layer includes an acrylic resin having a constituent unit in which a silicone chain is disposed in a branch.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: November 12, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takeshi Shoji, Toshiaki Hasegawa
  • Publication number: 20130209932
    Abstract: An electrostatic charge image developing carrier has magnetic particles and a coating resin layer that coats surfaces of the magnetic particles and contains a hindered amine compound.
    Type: Application
    Filed: August 10, 2012
    Publication date: August 15, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Toshiaki HASEGAWA, Mona TASAKI, Fusako KIYONO
  • Patent number: 8455168
    Abstract: An electrophotographic developer is provided which includes: a toner that includes toner base particles and an external additive attached to a surface of the toner base particles and has an amount of Al on the surface of the toner base particles of from about 0.002 to about 0.02 atm %; and a carrier that includes magnetic particles and a coating resin layer that coats the magnetic particles, the coating resin layer including particles with a volume-average particle diameter of from about 80 to about 800 nm, such as organic particles or inorganic particles having an organic layer on a surface of the inorganic particles, the carrier satisfying any one of the following formulas, where SP1, SP2 and SP3 represent a solubility parameter of resin of the coating resin layer, the organic particles, and the organic layer respectively: about 10>|SP1?SP2|>about 4??(1); and about 10>|SP1?SP3|>about 4??(2).
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: June 4, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Fusako Kiyono, Sakon Takahashi, Toshiaki Hasegawa, Takeshi Shoji
  • Publication number: 20130040236
    Abstract: A carrier for a two-component developer includes magnetic particles, and a resin coating layer that covers the magnetic particles. The resin coating layer contains metal boride particles having a volume average primary particle diameter of from about 300 nm to about 2,500 nm.
    Type: Application
    Filed: February 22, 2012
    Publication date: February 14, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Norihito FUKUSHIMA, Takeshi SHOJI, Toshiaki HASEGAWA
  • Publication number: 20120322004
    Abstract: An electrostatic charge image developing carrier includes a core particle and a coating layer with which the surface of the core particle is coated. The coating layer includes an acrylic resin having a constituent unit in which a silicone chain is disposed in a branch.
    Type: Application
    Filed: October 27, 2011
    Publication date: December 20, 2012
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takeshi SHOJI, Toshiaki HASEGAWA
  • Patent number: 8318399
    Abstract: An electrostatic charge image development carrier includes magnetic core particles and a resin coating layer that contains titanium dioxide particles doped with niobium and coats each of the magnetic core particles.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: November 27, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Toshiaki Hasegawa, Takeshi Shoji, Sakon Takahashi, Fusako Kiyono
  • Publication number: 20120214098
    Abstract: A carrier for a two-component developer, includes: magnetic particles and a resin coating layer that is coated on the magnetic particles, the resin coating layer containing metal nitride particles having a volume average primary particle diameter of from about 300 to about 2,000 nm.
    Type: Application
    Filed: September 2, 2011
    Publication date: August 23, 2012
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Norihito FUKUSHIMA, Toshiaki HASEGAWA, Yosuke TSURUMI
  • Publication number: 20110236813
    Abstract: An electrophotographic developer is provided which includes: a toner that includes toner base particles and an external additive attached to a surface of the toner base particles and has an amount of Al on the surface of the toner base particles of from about 0.002 to about 0.02 atm %; and a carrier that includes magnetic particles and a coating resin layer that coats the magnetic particles, the coating resin layer including particles with a volume-average particle diameter of from about 80 to about 800 nm, such as organic particles or inorganic particles having an organic layer on a surface of the inorganic particles, the carrier satisfying any one of the following formulas, where SP1, SP2 and SP3 represent a solubility parameter of resin of the coating resin layer, the organic particles, and the organic layer respectively: about 10>|SP1?SP2|>about 4??(1); and about 10>|SP1?SP3|>about 4??(2).
    Type: Application
    Filed: August 24, 2010
    Publication date: September 29, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Fusako Kiyono, Sakon Takahashi, Toshiaki Hasegawa, Takeshi Shoji
  • Publication number: 20110236820
    Abstract: An electrostatic charge image development carrier includes magnetic core particles and a resin coating layer that contains titanium dioxide particles doped with niobium and coats each of the magnetic core particles.
    Type: Application
    Filed: August 26, 2010
    Publication date: September 29, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Toshiaki HASEGAWA, Takeshi SHOJI, Sakon TAKAHASHI, Fusako KIYONO
  • Patent number: 7989130
    Abstract: The present invention provides an electrostatic latent image developing toner including a binding resin having an acidic polar group, a magnetic powder, and a carboxylic acid group-containing compound, the toner having a shape factor (SF1) of 110 to 140, wherein the carboxylic acid group-containing compound has a weight-average molecular weight of 1800 to 50,000 and an acid value of 150 to 600 mg KOH/g.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: August 2, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Toshiaki Hasegawa, Yasunobu Kashima, Takeshi Iwanaga, Hiroyoshi Okuno
  • Patent number: 7824179
    Abstract: The present invention provides a fuel feeding apparatus and method for improving the controllability of mixing process and mixing ratio of fuel and combustion air, and a combustion system and method for effecting new combustion properties. The fuel feeding apparatus of the combustion system has fuel feeding means, combustion gas extraction means, steam supply means, mixing means and fuel gas introduction means. The combustion gas extraction means extracts combustion gas of a combustion area therefrom. The mixing means mixes the fuel of fuel feeding means with at least one of combustion gas extracted from the furnace and steam of a steam generator. The fuel gas introduction means introduces a mixed fluid of combustion gas, steam and fuel to the combustion area as a fuel gas, and allows the fuel gas to be mixed with the combustion air.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: November 2, 2010
    Assignee: NFK Holdings Co.
    Inventors: Toshiaki Hasegawa, Susumu Mochida, Toshihumi Hoshino, Kiyoko Hoshino, legal representative
  • Patent number: RE40748
    Abstract: A process for producing a semiconductor device for forming a highly reliable wiring structure is provided that solves the problem occurring on using a xerogel or a fluorine resin in an inter level dielectric between the wirings to decrease a wiring capacitance, and the problem occurring on misalignment. A process for producing a semiconductor device comprising an inter level dielectric containing a xerogel film or a fluorine resin film comprises a step of forming, on the inter level dielectric comprising a lower layer of the inter level dielectric formed with an organic film and an upper layer of the inter level dielectric formed with a xerogel film or a fluorine resin film, a first mask to be an etching mask for forming a via contact hole by etching the inter level dielectric, and a step of forming, on the first mask, a second mask, which comprises a different material from the first mask, to be an etching mask for forming a wiring groove by etching the inter level dielectric.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: June 16, 2009
    Assignee: Sony Corporation
    Inventors: Toshiaki Hasegawa, Mitsuru Taguchi, Koji Miyata