Patents by Inventor Akira Imai

Akira Imai 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: 20190225805
    Abstract: A rubber-particle-dispersed polyimide resin solution contains at least one resin selected from the group consisting of polyimide precursors and polyimides having a solubility of 1% by mass or more in an aprotic polar solvent; rubber particles; and a solvent including a poor solvent for the rubber particles.
    Type: Application
    Filed: September 26, 2018
    Publication date: July 25, 2019
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tomoya SASAKI, Hidekazu HIROSE, Katsumi NUKADA, Kosaku YOSHIMURA, Akira IMAI, Hajime SUGAHARA
  • Publication number: 20180284632
    Abstract: A liquid developer includes toner particles and a carrier liquid, wherein the toner particles include, as a binder resin, an amorphous polyester resin and a crystalline saturated aliphatic polyester resin having a composition ratio (C/O ratio) of carbon atoms and oxygen atoms of 3.4 or less, and with respect to a toner obtained by vacuum drying the toner particles, a crystal melting peak at a first temperature rise in differential heating calorimetry is 60° C. or more.
    Type: Application
    Filed: October 27, 2017
    Publication date: October 4, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Fumiaki MERA, Daisuke YOSHINO, Masahiro OKI, Yoshitake OGURA, Takako KOBAYASHI, Kazusei YOSHIDA, Manabu KAWASHIMA, Akira IMAI, Tetsuya TAGUCHI
  • Publication number: 20180275549
    Abstract: A liquid developer includes toner particles containing, as a binder resin, at least a polyester resin containing a monomer unit, which includes a linear or branched chain saturated hydrocarbon chain having 2 to 5 carbon atoms between ester bonds, in a range of from 5 mol % to 25 mol % with respect to all monomer units included in the polyester resin, and a colorant; and a carrier liquid including an insulating liquid.
    Type: Application
    Filed: December 4, 2017
    Publication date: September 27, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kazusei YOSHIDA, Daisuke YOSHINO, Masahiro OKI, Akira IMAI, Yoshitake OGURA, Takako KOBAYASHI, Koji HORIBA, Manabu KAWASHIMA, Fumiaki MERA, Tetsuya TAGUCHI
  • Publication number: 20180171450
    Abstract: An aluminum alloy wire manufacturing method comprises (A) a step for melting an aluminum alloy containing 0.40-0.55 mass % of Mg and 0.45-0.65 mass % of Si, the balance being obtained from Al and unavoidable impurities, (B) a step for casting molten metal of the aluminum alloy and rolling to form a rough-drawn wire rod, (C) a step for solutionizing the rough-drawn wire rod, (D) a step for drawing the rough-drawn wire rod after solutionizing to form a drawn wire rod with a wire diameter of 0.5 mm or less, and (E) a step for heat treatment so that internal strain is removed with substantially no deposition of Mg2Si.
    Type: Application
    Filed: June 2, 2016
    Publication date: June 21, 2018
    Inventors: Teruhito NAKATSU, Masahiro ICHIKAWA, Akira IMAI, Hiroyoshi YAMAZAKI, Susumu OHNEDA, Akira TAKEHIRA
  • Patent number: 9766565
    Abstract: A liquid developer includes a carrier liquid and a toner including a urethane-modified acrylic resin.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: September 19, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masahiro Oki, Koji Horiba, Takako Kobayashi, Akira Imai, Yoshitake Ogura, Hiroyuki Moriya, Daisuke Yoshino
  • Publication number: 20170235242
    Abstract: A liquid developer includes a carrier liquid and a toner including a urethane-modified acrylic resin.
    Type: Application
    Filed: August 12, 2016
    Publication date: August 17, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masahiro OKI, Koji HORIBA, Takako KOBAYASHI, Akira IMAI, Yoshitake OGURA, Hiroyuki MORIYA, Daisuke YOSHINO
  • Patent number: 9709914
    Abstract: A liquid developer includes a carrier liquid and a toner particle whose surface is treated by a polyamine, wherein an amount of sodium ion to be eluted in 1 g of the toner particles is 0.04 mg or less.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: July 18, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yoshihiro Inaba, Takako Kobayashi, Daisuke Yoshino, Akira Imai, Masahiro Oki, Koji Horiba, Hiroyuki Moriya
  • Patent number: 9625358
    Abstract: There is provided a monitoring apparatus including a gas sampling apparatus and a sensor that detects a chemical substance included in gas obtained by the gas sampling apparatus. The gas sampling apparatus includes: an air supplying unit that forms an air curtain to form a space that covers a region to which an object to be monitored is included and which is separated from the outside environment; a sampling unit that extracts the gas inside the separated space; and a diffusion gas supplying unit that supplies, into the separated space, an amount of diffusion gas that is at least equal to the sampled amount of the sampling unit, wherein the sampling unit includes a plurality of sampling nozzles disposed at three-dimensionally different positions inside the separated space.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: April 18, 2017
    Assignee: ATONARP INC.
    Inventors: Prakash Sreedhar Murthy, Akira Imai
  • Patent number: 9568849
    Abstract: A liquid developer contains a carrier liquid and a toner particle which contains a binder resin, wherein the toner particles have a content of aluminum measured by fluorescent X-ray analysis in a range of from 0.04% by weight to 0.1% by weight of total elements.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: February 14, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Akira Imai, Koji Horiba, Daisuke Yoshino, Takako Kobayashi, Masahiro Oki, Yoshitake Ogura, Hiroyuki Moriya, Yoshihiro Inaba
  • Patent number: 9568850
    Abstract: A positively chargeable toner includes at least a binder resin, and toner particles of which surfaces are modified by a polyvinylamine compound.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: February 14, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masahiro Oki, Akira Imai, Yoshihiro Inaba, Takako Kobayashi, Daisuke Yoshino, Hiroyuki Moriya, Koji Horiba
  • Patent number: 9536720
    Abstract: There is provided an analyzing apparatus including an irradiation unit irradiating a first point with a laser, a convergence unit causing an analysis target to converge at the first point, and a unit analyzing a sample gas including a substance that has been irradiated with the laser at the first point using an ion mobility sensor. One example of the convergence unit includes a unit causing the analysis target to be captured in a carrier substance in a liquid state; and a discharging unit discharging the carrier substance including the analysis target to the first point.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: January 3, 2017
    Assignee: ATONARP INC.
    Inventors: Tomoyoshi Sato, Akira Imai
  • Patent number: 9482978
    Abstract: A liquid developer includes a carrier liquid, and a toner particle which contains a resin having an unsaturated double bond, a compound represented by the formula (I) and a photopolymerization initiator and whose surface is treated by a polyamine, wherein m and n each independently represent an integer of 1 to 10,000; m+n represents an integer of 10 to 10,000; and R1, R2, and R3 each independently represent a single bond or a divalent aliphatic hydrocarbon group having 1 to 12 carbon atoms.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: November 1, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Koji Horiba, Masahiro Oki, Yoshihiro Inaba, Akira Imai, Daisuke Yoshino, Takako Kobayashi, Hiroyuki Moriya
  • Patent number: 9436113
    Abstract: An electrostatic charge image developing toner includes a toner particle that contains a binder resin and is surface-modified by a polymer obtained by polymerizing a monomer containing dicyandiamide and diethylenetriamine, wherein toner particles have positive charging properties.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: September 6, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masahiro Oki, Akira Imai, Koji Horiba, Takako Kobayashi, Daisuke Yoshino, Yoshihiro Inaba, Hiroyuki Moriya
  • Publication number: 20160231663
    Abstract: A liquid developer includes a carrier liquid and a toner particle whose surface is treated by a polyamine, wherein an amount of sodium ion to be eluted in 1 g of the toner particles is 0.04 mg or less.
    Type: Application
    Filed: August 12, 2015
    Publication date: August 11, 2016
    Inventors: Yoshihiro INABA, Takako KOBAYASHI, Daisuke YOSHINO, Akira IMAI, Masahiro OKI, Koji HORIBA, Hiroyuki MORIYA
  • Publication number: 20160223929
    Abstract: A liquid developer includes a carrier liquid, and a toner particle which contains a resin having an unsaturated double bond, a compound represented by the formula (I) and a photopolymerization initiator and whose surface is treated by a polyamine, wherein m and n each independently represent an integer of 1 to 10,000; m+n represents an integer of 10 to 10,000; and R1, R2, and R3 each independently represent a single bond or a divalent aliphatic hydrocarbon group having 1 to 12 carbon atoms.
    Type: Application
    Filed: July 31, 2015
    Publication date: August 4, 2016
    Inventors: Koji HORIBA, Masahiro OKI, Yoshihiro INABA, Akira IMAI, Daisuke YOSHINO, Takako KOBAYASHI, Hiroyuki MORIYA
  • Publication number: 20160202626
    Abstract: A liquid developer contains a carrier liquid and a toner particle which contains a binder resin, wherein the toner particles have a content of aluminum measured by fluorescent X-ray analysis in a range of from 0.04% by weight to 0.1% by weight of total elements.
    Type: Application
    Filed: August 19, 2015
    Publication date: July 14, 2016
    Inventors: Akira IMAI, Koji HORIBA, Daisuke YOSHINO, Takako KOBAYASHI, Masahiro OKI, Yoshitake OGURA, Hiroyuki MORIYA, Yoshihiro INABA
  • Publication number: 20160187800
    Abstract: An electrostatic charge image developing toner includes a toner particle that contains a binder resin and is surface-modified by a polymer obtained by polymerizing a monomer containing dicyandiamide and diethylenetriamine, wherein toner particles have positive charging properties.
    Type: Application
    Filed: July 28, 2015
    Publication date: June 30, 2016
    Inventors: Masahiro OKI, Akira IMAI, Koji HORIBA, Takako KOBAYASHI, Daisuke YOSHINO, Yoshihiro INABA, Hiroyuki MORIYA
  • Patent number: 9368385
    Abstract: A method for manufacturing a semiconductor integrated circuit device includes the step of forming an SOI device region and a bulk device region on an SOI type semiconductor wafer. The method includes: removing a BOX layer and an SOI layer in a bulk device region; and thereafter forming an STI region in both the SOI device region and the bulk device region. In the method, the STI region in the SOI device region is formed to extend through the BOX layer.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: June 14, 2016
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Akira Imai, Toshiaki Iwamatsu, Akihiro Nakae
  • Patent number: 9285700
    Abstract: A liquid developer includes a carrier liquid having silicone oil, and toner particles including a polyester resin and having a value of ammonium ions contained therein measured by underwater extraction in a range of 0.005 ppm to 1 ppm.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: March 15, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takako Kobayashi, Daisuke Yoshino, Akira Imai, Koji Horiba, Masahiro Oki, Hiroyuki Moriya, Yoshihiro Inaba
  • Publication number: 20160048097
    Abstract: An image forming method includes forming an unfixed toner image on a recording medium using a toner that contains a carboxyl group-containing resin having a carboxyl group and an oxazoline group-containing resin having an oxazoline group, fixing the unfixed toner image to the recording medium to form a fixed toner image, and performing a heat treatment on the fixed toner image at a temperature higher than or equal to a fixing temperature.
    Type: Application
    Filed: January 14, 2015
    Publication date: February 18, 2016
    Inventors: Yoshihiro INABA, Koji HORIBA, Akira IMAI, Masahiro OKI, Takako KOBAYASHI, Daisuke YOSHINO, Hiroyuki MORIYA