Patents by Inventor Shigeki Takenouchi

Shigeki Takenouchi 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: 20230001633
    Abstract: The present invention addresses the problem of providing: a method for manufacturing a three-dimensional modeled object, with which it is possible to fabricate a three-dimensional modeled object having high strength, using electron beam irradiation. In order to solve said problem, this method for manufacturing a three-dimensional modeled object comprises: a thin layer formation step in which a composition containing a radical polymerizable compound is applied to form a thin layer; and an electron beam irradiation step in which said thin layer is subjected to electron beam irradiation, and the radical polymerizable compound is cured to form a modeled object layer. The thin layer formation step and the electron beam irradiation step are repeated a number of times to layer the modeled object layer. The electron beam irradiation step is carried out in an atmosphere having an oxygen concentration from 50 ppm to less than 5,000 ppm.
    Type: Application
    Filed: January 31, 2020
    Publication date: January 5, 2023
    Inventors: Takeshi KOJIMA, Shigeki TAKENOUCHI
  • Publication number: 20180065324
    Abstract: The objective of the present invention is to provide a powder material for a powder bed fusion method, said powder material making it possible to easily sinter or fuse metal particles included in the powder material using a low-energy laser regardless of the material constituting the powder material. The powder material is used in the production of a three-dimensional molded article by selectively irradiating a thin layer of the powder material, which includes metal particles, with a laser light, forming molded article layers formed by sintering or fusing the metal particles, and laminating the molded article layers. The powder material includes porous metal particles formed by binding metal nanoparticles with a binder, and the BET specific surface area of the powder material is 5.0×106?1.1×108 (m2/m3), inclusive.
    Type: Application
    Filed: May 11, 2016
    Publication date: March 8, 2018
    Inventors: Kazuya ISOBE, Shigeki TAKENOUCHI
  • Publication number: 20170129187
    Abstract: A non-transitory computer-readable recording medium recorded therein a program that causes a computer to enable functions of a) a three-dimensional object molding apparatus configured to mold a three-dimensional object by sequentially stacking a molding material, or b) a control section for controlling the three-dimensional object molding apparatus. The functions include a data input section to input a three-dimensional shape information of a target to be molded and a molding parameter generating section that calculates a filling rate indicating a degree of density of the molding material, or a mixture proportion of a plurality of the molding materials, based on the information necessary to produce a desired molded object and configured to generate molding information for stacking the molding material in accordance with the calculated filling rate and mixture proportion. The functions also include a molding section to stack the molding material in accordance with the molding information.
    Type: Application
    Filed: January 24, 2017
    Publication date: May 11, 2017
    Applicant: KONICA MINOLTA, INC.
    Inventors: Yoshiyuki HASHIMOTO, Shigeki TAKENOUCHI
  • Publication number: 20130053995
    Abstract: A three-dimensional object molding apparatus to mold a three-dimensional object by sequentially stacking a molding material including at least: an input section for inputting information including three-dimensional shape information of a target to be molded necessary to produce a desired molded object; a database for storing weight information per unit volume of one or a plurality of the molding materials; a parameter generating section for calculating a filling rate indicating degree of denseness/sparseness of the molding material, or a mixture proportion of a plurality of the molding materials, based on the information necessary to produce the desired molded object obtained from the input section, and the weight information of the one or plurality of the molding materials obtained from the database, and generating molding information for stacking the molding material according to the calculated filling rate and mixture proportion; and a molding section for stacking the molding material.
    Type: Application
    Filed: August 10, 2012
    Publication date: February 28, 2013
    Applicant: Konica Minolta Business Technologies, Inc.
    Inventors: Yoshiyuki HASHIMOTO, Shigeki TAKENOUCHI
  • Patent number: 8194032
    Abstract: An image display medium is disclosed, which medium includes a pair of substrates each having an electrode and colored particles between the pair of substrates, and the colored particles have an absolute electric charge of 0.5 to 4.0 ?C/g.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: June 5, 2012
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Shigeki Takenouchi, Eiichi Sakai, Tatsuya Nagase, Okushi Okuyama, Yukio Hosoya
  • Patent number: 7839562
    Abstract: Disclosed are white particles for an image display device which includes: (i) a pair of substrates facing each other, provided that at least one of the substrates is transparent; and (ii) the white particles enclosed in a gap between the substrates, with which an image is displayed through migration of the white particles by generating an electric field between the substrates, wherein each of the white particles contains: (a) a core particles containing an inorganic oxide having a refractive index of 2.0 or more in an amount of 80 to 99 weight % based on the total weight of the core particle; and (b) a resin layer having a thickness of 10 to 1000 nm on a surface of the core particle.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: November 23, 2010
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Yukio Hosoya, Eiichi Sakai, Shigeki Takenouchi, Tatsuya Nagase, Okushi Okuyama
  • Patent number: 7830593
    Abstract: An image display device 10, having two substrates 11 and 12, at least one of which is transparent; and display particles 21 and 22 enclosed in the powder form between the substrates, the display particles being moved under an electric field generated between the substrates so that an image is displayed, wherein metal oxide fine particles 1 surface-treated with at least one processing agent selected from the group consisting of silane-coupling agents and silicone oils are adhered to at least one substrate surface 20a and/or 20b of the surfaces in contact with the display particles in a gap 18 between the substrates.
    Type: Grant
    Filed: April 2, 2009
    Date of Patent: November 9, 2010
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Satoshi Uchino, Okushi Okuyama, Yukio Hosoya, Hiroyuki Konno, Tatsuya Nagase, Shigeki Takenouchi
  • Patent number: 7813031
    Abstract: An image display device comprising: (i) a pair of substrates facing each other; and (ii) particles placed in a gap between the substrates, wherein at least one of the substrates is a resin substrate which is transparent and exhibits a light transmittance of 50% or more at a wavelength of 300 nm.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: October 12, 2010
    Assignee: Konica Minolta Business Echnologies, Inc.
    Inventors: Tatsuya Nagase, Eiichi Sakai, Shigeki Takenouchi, Okushi Okuyama, Yukio Hosoya
  • Patent number: 7692846
    Abstract: Disclosed is an image display device comprising: (i) a pair of substrates facing each other, provided that one of the substrates is transparent; and (ii) charged particles placed in a gap between the substrates, wherein each of the substrates has a layer containing a compound having a silicone structure in the molecule on a surface of the substrates faced with another electrode.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: April 6, 2010
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Okushi Okuyama, Eiichi Sakai, Shigeki Takenouchi, Tatsuya Nagase, Yukio Hosoya
  • Publication number: 20090251764
    Abstract: An image display device 10, having two substrates 11 and 12, at least one of which is transparent; and display particles 21 and 22 enclosed in the powder form between the substrates, the display particles being moved under an electric field generated between the substrates so that an image is displayed, wherein metal oxide fine particles 1 surface-treated with at least one processing agent selected from the group consisting of silane-coupling agents and silicone oils are adhered to at least one substrate surface 20a and/or 20b of the surfaces in contact with the display particles in a gap 18 between the substrates.
    Type: Application
    Filed: April 2, 2009
    Publication date: October 8, 2009
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Satoshi UCHINO, Okushi OKUYAMA, Yukio HOSOYA, Hiroyuki KONNO, Tatsuya NAGASE, Shigeki TAKENOUCHI
  • Publication number: 20090242847
    Abstract: Display particles, which are used for an image display apparatus having a structure in which the display particles in a powdered state are sealed between two substrates at least one of which is transparent, and by generating an electric field between the substrates, the display particles are moved so that an image is displayed, comprising: base particles A containing at least a resin and a colorant, and having a volume-average particle size D1 of 1 to 50 ?m; resin fine particles B being externally added to the base particles, and having an average primary particle size D2 of 30 to 250 nm; and inorganic fine particles C being externally added to the base particles, and having an average primary particle size D3 of 5 to 30 nm, wherein the display particles for an image display apparatus are designed so that D1, D2 and D3 satisfy 10?D1/D2?1000 and 2?D2/D3?50, and an image display apparatus provided with such particles for an image display apparatus.
    Type: Application
    Filed: March 18, 2009
    Publication date: October 1, 2009
    Applicant: Konica Minolta Business Technologies, Inc.
    Inventors: Yukio HOSOYA, Okushi OKUYAMA, Satoshi UCHINO, Hiroyuki KONNO, Tatsuya NAGASE, Shigeki TAKENOUCHI
  • Publication number: 20090189851
    Abstract: An image display medium is disclosed, which medium includes a pair of substrates each having an electrode and colored particles between the pair of substrates, and the colored particles have an absolute electric charge of 0.5 to 4.0 ?C/g.
    Type: Application
    Filed: January 15, 2009
    Publication date: July 30, 2009
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Shigeki Takenouchi, Eiichi Sakai, Tatsuya Nagase, Okushi Okuyama, Yukio Hosoya
  • Publication number: 20090153945
    Abstract: An image display device comprising: (i) a pair of substrates facing each other; and (ii) particles placed in a gap between the substrates, wherein at least one of the substrates is a resin substrate which is transparent and exhibits a light transmittance of 50% or more at a wavelength of 300 nm.
    Type: Application
    Filed: December 10, 2008
    Publication date: June 18, 2009
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Tatsuya NAGASE, Eiichi SAKAI, Shigeki TAKENOUCHI, Okushi OKUYAMA, Yukio HOSOYA
  • Publication number: 20090141337
    Abstract: Disclosed are white particles for an image display device which includes: (i) a pair of substrates facing each other, provided that at least one of the substrates is transparent; and (ii) the white particles enclosed in a gap between the substrates, with which an image is displayed through migration of the white particles by generating an electric field between the substrates, wherein each of the white particles contains: (a) a core particles containing an inorganic oxide having a refractive index of 2.0 or more in an amount of 80 to 99 weight % based on the total weight of the core particle; and (b) a resin layer having a thickness of 10 to 1000 nm on a surface of the core particle.
    Type: Application
    Filed: November 20, 2008
    Publication date: June 4, 2009
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Yukio HOSOYA, Eiichi SAKAI, Shigeki TAKENOUCHI, Tatsuya NAGASE, Okushi OKUYAMA
  • Publication number: 20090086308
    Abstract: Disclosed is an image display device comprising: (i) a pair of substrates facing each other, provided that one of the substrates is transparent; and (ii) charged particles placed in a gap between the substrates, wherein each of the substrates has a layer containing a compound having a silicone structure in the molecule on a surface of the substrates faced with another electrode.
    Type: Application
    Filed: September 5, 2008
    Publication date: April 2, 2009
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Okushi OKUYAMA, Eiichi SAKAI, Shigeki TAKENOUCHI, Tatsuya NAGASE, Yukio HOSOYA
  • Patent number: 7374853
    Abstract: Disclosed is a photoreceptor comprising a cylindrical substrate and a photosensitive layer. The substrate wherein the cylindrical substrate has a cylindricity of 5 to 40 ?m, and the photoreceptor satisfies the relation of 0<(PWS/P2)<5.0×10?4 mm?1, wherein PWS is an average value of power spectrum values of regular reflection light amount in a region of a space frequency from 0 to 2 mm?1 measured at the wave length of imagewise exposing light to the photoreceptor, and P is an average value of reflection light at the measuring point of the photoreceptor. An image forming method employing the photoreceptor is also disclosed, which comprises developing a latent image formed on the photoreceptor, with a developer comprising a toner including toner particles having a variation coefficient of shape coefficient of not more than 16%.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: May 20, 2008
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventor: Shigeki Takenouchi
  • Patent number: 7285366
    Abstract: An organic photoreceptor for an electro-photography, comprising a conductive support member and at least a light sensitive layer, and comprising a toner image forming surface of the photoreceptor having a surface roughness Ra between 0.02 ?m and 0.1 ?m and a surface roughness Rz between 0.1 ?m and 1 ?m, and an image forming apparatus comprising the same are disclosed.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: October 23, 2007
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Akihiko Itami, Shigeki Takenouchi, Satoshi Uchino
  • Patent number: 7220527
    Abstract: An image forming apparatus, comprising: an electrophotographic photoreceptor and an intermediate transfer member, wherein the photoreceptor and the intermediate transfer member have a condition represented by Formula 1: Wa<Wb where Wa represents a water content (wt %) on the surface of the photoreceptor and Wb represents a water content (wt %) on the surface of the intermediate transfer member.
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: May 22, 2007
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Masao Asano, Shigeki Takenouchi, Akihiko Itami, Satoshi Uchino
  • Patent number: 7127201
    Abstract: An image forming apparatus comprising a plurality of image forming units, an intermediate transfer member, and an intermediate transfer member cleaning device to remove toner remaining the intermediate transfer member with plural cleaning blades, wherein each color toner used in the developing device of the plurality of image forming units contains 10 number % or less of toner particles whose diameter is (0.7×50% number particles diameter (Dp50)) or less and contains 300 ppm or less of a remaining monomers is disclosed.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: October 24, 2006
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Shigeki Takenouchi, Masao Asano, Tomoe Kitani
  • Patent number: 7085518
    Abstract: An image forming apparatus comprising: a photoreceptor; and a plurality of processing devices to form an image, wherein at least one of the processing devices include a portion assembled by an adhesive material including a volatile gas component in an amount of 0.1–9 ?g/cm2.
    Type: Grant
    Filed: March 23, 2004
    Date of Patent: August 1, 2006
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Yuuko Yamaguchi, Shigeki Takenouchi, Ken Ohmura