Patents by Inventor Jun Aoto

Jun Aoto 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).

  • Publication number: 20210370702
    Abstract: Provided is light irradiation method for irradiating a light absorbing material with light beam having wavelength absorbable by light absorbing material, including applying to light absorbing material, energy that enables light absorbing material to fly, by pressure in a vaporized region higher than or equal to outside pressure, wherein vaporized region is present at interface between a transparent body and light absorbing material in a manner to surround an optical axis. Also provided is flying body generating method including irradiating a surface of a base material opposite to a surface over which light absorbing material is disposed with laser beam to fly light absorbing material in an emitting direction of laser beam, wherein vaporized region having pressure higher than or equal to outside pressure is generated along outer circumference of a region irradiated with laser beam at interface between base material and light absorbing material.
    Type: Application
    Filed: May 25, 2021
    Publication date: December 2, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Hiroyuki SUHARA, Jun AOTO
  • Publication number: 20200298440
    Abstract: Provided is a method for forming a flying body using optical vortex laser, the method including irradiating an opposite surface of a base to a surface of the base, on which a light-absorbing material is disposed, with an optical vortex laser beam to generate a liquid column or liquid droplet having a diameter smaller than an irradiation diameter of the optical vortex laser beam from the light-absorbing material in an irradiation direction of the optical vortex laser beam.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 24, 2020
    Inventors: Jun Aoto, Muneaki Iwata, Kazumi Suzuki, Hiroyuki Suhara, Akihiro Kaneko, Takashige Omatsu, Ryosuke Nakamura
  • Patent number: 9983518
    Abstract: An intermediate transfer belt, configured to receive a toner image formed by developing a latent image formed on an image bearing member with a toner, includes a base layer and an elastic layer. The elastic layer has an irregular surface formed with spherical particles, and the spherical particles include flexible particles having 0.1 MPa to 30 MPa of compressive strength and 15% to 50% of restoring ratio at the time of 10% deformation. Image forming apparatus. Image forming method.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: May 29, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hidetaka Kubo, Jun Aoto
  • Patent number: 9791808
    Abstract: The surface layer of an intermediate transfer belt has a concavo-convex pattern formed thereon by spherical resin particles which are independently embedded in the layer so that the embedment rate in the thickness direction of the layer is higher than 50% but lower than 100%.
    Type: Grant
    Filed: January 17, 2011
    Date of Patent: October 17, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Jun Aoto, Hidetaka Kubo, Kenichi Mashiko, Sayaka Katoh, Shinichi Nitta, Shigeo Oonuma
  • Publication number: 20170269513
    Abstract: An intermediate transfer belt, configured to receive a toner image formed by developing a latent image formed on an image bearing member with a toner, includes a base layer and an elastic layer. The elastic layer has an irregular surface formed with spherical particles, and the spherical particles include flexible particles having 0.1 MPa to 30 MPa of compressive strength and 15% to 50% of restoring ratio at the time of 10% deformation. Image forming apparatus. Image forming method.
    Type: Application
    Filed: March 15, 2017
    Publication date: September 21, 2017
    Inventors: Hidetaka KUBO, Jun AOTO
  • Patent number: 9665046
    Abstract: Provided is a belt driving roller for a belt driving device configured to drive and rotate an endless belt with at least one driving roller of a plurality of rollers over which the belt is hung by its internal surface, wherein the belt driving roller includes an electroviscosity retaining member of which surface viscosity force reversibly changes under an effect of an electric field.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: May 30, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Jun Aoto, Masaki Yoshino, Tomoko Kino, Tojiro Aoyama, Yuta Shimizu
  • Patent number: 9507296
    Abstract: An intermediate transferer includes a substrate; and a surface layer overlying the substrate. The surface layer includes a crosslinked material, including a polyrotaxane including a circular molecule; a straight-chain molecule including the circular molecule in a skewering form; and a block group located at both ends of the straight-chain molecule, preventing the circular molecule from releasing, and at least one resin selected from the group consisting of acrylic resins, fluoreresins and silicone resins.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: November 29, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hidetaka Kubo, Atsufumi Hanazawa, Jun Aoto, Daisuke Aoki
  • Publication number: 20160061300
    Abstract: Provided is a belt driving roller for a belt driving device configured to drive and rotate an endless belt with at least one driving roller of a plurality of rollers over which the belt is hung by its internal surface, wherein the belt driving roller includes an electroviscosity retaining member of which surface viscosity force reversibly changes under an effect of an electric field.
    Type: Application
    Filed: August 18, 2015
    Publication date: March 3, 2016
    Applicant: RICOH COMPANY, LTD.
    Inventors: Jun Aoto, Masaki Yoshino, Tomoko Kino, Tojiro Aoyama, Yuta Shimizu
  • Patent number: 9229375
    Abstract: An intermediate transfer belt includes a polyimide resin or a polyamideimide resin including only ?-butyrolactone of from 5 to 5,000 ppm as a residual solvent.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: January 5, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hidetaka Kubo, Jun Aoto
  • Patent number: 9223256
    Abstract: An intermediate transfer belt including a base layer, and an elastic layer on the base layer containing spherical particles on a surface thereof and containing an elastic layer ingredient, wherein the elastic layer contains a fatty acid in an amount of 0.001 parts by mass to 0.040 parts by mass relative to 100 parts by mass of the elastic layer ingredient.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: December 29, 2015
    Assignee: RICOH COMPANY, LTD.
    Inventors: Sayaka Katoh, Jun Aoto, Kenichi Mashiko, Shinichi Nitta, Atsuo Hirai
  • Publication number: 20150261139
    Abstract: An intermediate transferer a toner image formed by developing a latent image on an image bearer with a toner is transferred onto includes a substrate including a polycarbonate resin and a carbon black. The intermediate transferer has a surface resistivity of from 10 to 12 Log ?/? when applied with a volt of 500 V, a volume resistivity of from 7.5 to 9.5 Log ?·cm when applied with a volt of 100 V, and a difference between the surface resistivity and the volume resistivity of from 1.5 to 4.0 digits.
    Type: Application
    Filed: March 2, 2015
    Publication date: September 17, 2015
    Applicant: RICOH COMPANY, LTD.
    Inventors: Hidetaka Kubo, Jun Aoto, Atsufumi Hanazawa
  • Publication number: 20150241817
    Abstract: An intermediate transferer includes a substrate; and a surface layer overlying the substrate. The surface layer includes a crosslinked material, including a polyrotaxane including a circular molecule; a straight-chain molecule including the circular molecule in a skewering form; and a block group located at both ends of the straight-chain molecule, preventing the circular molecule from releasing, and at least one resin selected from the group consisting of acrylic resins, fluoreresins and silicone resins.
    Type: Application
    Filed: February 10, 2015
    Publication date: August 27, 2015
    Applicant: RICOH COMPANY, LTD.
    Inventors: Hidetaka Kubo, Atsufumi Hanazawa, Jun Aoto, Daisuke Aoki
  • Patent number: 9063475
    Abstract: To provide an intermediate transfer belt for use in an electrophotographic apparatus, including as an outermost surface thereof: uniform convex regions formed by aligning independent spherical resin particles in a surface direction; and depressed regions formed of a lubricant layer which respectively lie between the convex regions.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: June 23, 2015
    Assignee: RICOH COMPANY, LTD.
    Inventors: Jun Aoto, Hidetaka Kubo, Kenichi Mashiko, Sayaka Katoh, Shinichi Nitta
  • Patent number: 8934821
    Abstract: To provide a belt for an image forming apparatus, which contains: a base layer; an elastic layer; and spherical particles, wherein the belt for an image forming apparatus is provided across a plurality of rollers of the image forming apparatus to rotate, wherein the belt for an image forming apparatus has a laminate structure where at least the base layer and the elastic layer are provided in this order, wherein the spherical particles are partially embedded in an exposed surface of the elastic layer, and wherein, relative to a width direction of the belt for an image forming apparatus, a thickness of an edge portion of the belt for an image forming apparatus is 50% to 95% of a thickness of a center portion of the belt for an image forming apparatus, and an edge curling amount of the belt is 4 mm or less.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: January 13, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Hidetaka Kubo, Jun Aoto, Kenichi Mashiko, Sayaka Katoh, Daisuke Aoki
  • Publication number: 20140248070
    Abstract: An intermediate transfer belt includes a polyimide resin or a polyamideimide resin including only ?-butyrolactone of from 5 to 5,000 ppm as a residual solvent.
    Type: Application
    Filed: January 8, 2014
    Publication date: September 4, 2014
    Applicant: RICOH COMPANY, LTD.
    Inventors: Hidetaka Kubo, Jun Aoto
  • Publication number: 20140248069
    Abstract: An image forming apparatus includes an image bearer; an image developer developing a latent image formed on the image bearer with a toner to form a toner image thereon; a ring-shaped intermediate transfer belt rotatably stretched by plural tension rollers, and the toner image is first transferred on; a curving roller contacting an outer surface of the intermediate transfer belt the toner image is transferred on and curving the belt inside; and a transferer secondly transferring the toner image on the intermediate transfer belt to a recording medium. The intermediate transfer belt has a double-layered structure formed of an inner layer and an outer layer each including a same resin.
    Type: Application
    Filed: December 23, 2013
    Publication date: September 4, 2014
    Applicant: RICOH COMPANY, LTD.
    Inventors: Hidetaka Kubo, Jun Aoto
  • Patent number: 8760717
    Abstract: To provide an intermediate transfer belt, containing a base, an elastic layer formed on the base, and spherical particles deposited on a surface of the elastic layer, in which wherein the elastic layer has micro rubber hardness of 40° or lower in the environment of 10° C. and 15% RH, and the intermediate transfer belt is designed to be mounted in an image forming apparatus.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: June 24, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Hidetaka Kubo, Jun Aoto, Kenichi Mashiko, Sayaka Katoh, Shinichi Nitta
  • Patent number: 8718520
    Abstract: To provide an intermediate transfer belt, which contains a base layer, and an elastic layer formed on the base layer, wherein the base layer contains polyimide which has a constitutional unit derived from pyromellitic acid and a constitutional unit derived from diaminodiphenyl ether, wherein the intermediate layer has a curling amount of 1.5 mm or less in an absolute value, and wherein the intermediate transfer belt is configured to receive, by transferring, a toner image formed by developing, with a toner, a latent image formed on an image bearing member.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: May 6, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Hidetaka Kubo, Jun Aoto, Kenichi Mashiko, Sayaka Katoh
  • Publication number: 20140079445
    Abstract: An intermediate transfer belt including a base layer, and an elastic layer on the base layer containing spherical particles on a surface thereof and containing an elastic layer ingredient, wherein the elastic layer contains a fatty acid in an amount of 0.001 parts by mass to 0.040 parts by mass relative to 100 parts by mass of the elastic layer ingredient.
    Type: Application
    Filed: September 12, 2013
    Publication date: March 20, 2014
    Applicant: RICOH COMPANY, LTD.
    Inventors: Sayaka KATOH, Jun AOTO, Kenichi MASHIKO, Shinichi NITTA, Atsuo HIRAI
  • Publication number: 20130334014
    Abstract: An image forming apparatus includes a belt member including a substrate; and an elastic layer overlying the substrate, an image former forming an image on the surface of the belt member or a recording material borne thereon, and a contact member contacting the surfaces of both ends of the belt member in its width direction, wherein the contact member has a hardness not greater than 30 when measured by Durometer Type C in an environment of 23° C. and 50% RH.
    Type: Application
    Filed: May 24, 2013
    Publication date: December 19, 2013
    Applicant: RICOH COMPANY, LTD.
    Inventors: Kenichi Mashiko, Jun Aoto