Patents by Inventor Satoshi Kamiwaki

Satoshi Kamiwaki 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: 20210269272
    Abstract: A method for producing a printed material includes providing pressure-induced phase transition particles to a part of an outside margin portion or a portion to be folded of a recording medium; bonding the pressure-induced phase transition particles to the recording medium; and pressure-bonding a multilayer body in which plural recording media are stacked, the recording media including the recording medium having the pressure-induced phase transition particles bonded thereon.
    Type: Application
    Filed: August 5, 2020
    Publication date: September 2, 2021
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Susumu YOSHINO, Yoshifumi IIDA, Satoshi KAMIWAKI, Sakae TAKEUCHI, Satomi KASHIWAGI, Sumiaki YAMASAKI, Takahiro ISHIZUKA, Shigeru SEITOKU, Kiyohiro YAMANAKA
  • Patent number: 11104538
    Abstract: A method for producing a printed material includes providing pressure-induced phase transition particles to a part of an outside margin portion or a portion to be folded of a recording medium; bonding the pressure-induced phase transition particles to the recording medium; and pressure-bonding a multilayer body in which plural recording media are stacked, the recording media including the recording medium having the pressure-induced phase transition particles bonded thereon.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: August 31, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Susumu Yoshino, Yoshifumi Iida, Satoshi Kamiwaki, Sakae Takeuchi, Satomi Kashiwagi, Sumiaki Yamasaki, Takahiro Ishizuka, Shigeru Seitoku, Kiyohiro Yamanaka
  • Publication number: 20210017429
    Abstract: A pressure sensitive adhesive particle includes a styrene resin; and a (meth)acrylate resin, wherein the (meth)acrylate resin contains two kinds of (meth)acrylates as a polymerization component in which the weight proportion of the (meth)acrylate to the total polymerization components is 90% by weight or more, and has two glass transition points in which a difference between the lowest glass transition temperature and the highest glass transition temperature is 30° C. or higher.
    Type: Application
    Filed: August 26, 2020
    Publication date: January 21, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takahiro ISHIZUKA, Satoshi KAMIWAKI, Sumiaki YAMASAKI, Yoshifumi IIDA, Sakae TAKEUCHI, Satomi KASHIWAGI, Susumu YOSHINO
  • Publication number: 20210016587
    Abstract: A method for forming a printed material includes forming an image on a recording medium; applying particles to a surface of the recording medium, the surface having the image formed thereon; heating the particles applied to the recording medium; and pressurizing, in a thickness direction, a multilayer body obtained by folding the recording medium so that the heated particles are sandwiched between flaps of the recording medium or a multilayer body obtained by placing another medium on top of the recording medium with the heated particles therebetween. The particles contain a styrene resin and a (meth)acrylic acid ester resin. The (meth)acrylic acid ester resin contains two (meth)acrylic acid ester monomer units, and a mass ratio of the (meth)acrylic acid ester monomer units relative to a total of polymerization components is 90 mass % or more.
    Type: Application
    Filed: February 4, 2020
    Publication date: January 21, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yoshifumi IIDA, Satoshi KAMIWAKI, Sakae TAKEUCHI, Satomi KASHIWAGI
  • Publication number: 20210016557
    Abstract: A method for forming a printed material includes forming an image on a recording medium; applying particles to a surface of the recording medium, the surface having the image formed thereon; heating the particles applied to the recording medium; and pressurizing, in a thickness direction, a multilayer body obtained by folding the recording medium so that the heated particles are sandwiched between flaps of the recording medium or a multilayer body obtained by placing another medium on top of the recording medium with the heated particles therebetween. The particles contain a styrene resin and a (meth)acrylic acid ester resin. The (meth)acrylic acid ester resin contains two (meth)acrylic acid ester monomer units, and a mass ratio of the (meth)acrylic acid ester monomer units relative to a total of polymerization components is 90 mass % or more.
    Type: Application
    Filed: July 24, 2020
    Publication date: January 21, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yoshifumi IIDA, Satoshi KAMIWAKI, Sakae TAKEUCHI, Satomi KASHIWAGI
  • Publication number: 20210017424
    Abstract: A pressure sensitive adhesive particle includes a styrene resin; and a (meth)acrylate resin, wherein the (meth)acrylate resin contains two kinds of (meth)acrylates as a polymerization component in which the weight proportion of the (meth)acrylate to the total polymerization components is 90% by weight or more, and has two glass transition points in which a difference between the lowest glass transition temperature and the highest glass transition temperature is 30° C. or higher.
    Type: Application
    Filed: March 13, 2020
    Publication date: January 21, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takahiro ISHIZUKA, Satoshi KAMIWAKI, Sumiaki YAMASAKI, Yoshifumi IIDA, Sakae TAKEUCHI, Satomi KASHIWAGI, Susumu YOSHINO
  • Patent number: 10423087
    Abstract: An electrostatic charge image developing toner includes: a toner particle and a strontium titanate particle that is externally added to the toner particle, in which an average primary particle diameter of the strontium titanate particle that is present on a surface of the toner particle is 30 nm or more and 100 nm or less, and average primary particle circularity is 0.82 or more and 0.94 or less, and in which circularity that becomes 84% of accumulation of the primary particle is greater than 0.92.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: September 24, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Moegi Iguchi, Sakon Takahashi, Soutaro Kakehi, Yuka Yamagishi, Yutaka Saito, Mona Tasaki, Tsutomu Furuta, Tsuyoshi Murakami, Satoshi Kamiwaki
  • Publication number: 20190033737
    Abstract: An electrostatic charge image developing toner includes: a toner particle and a strontium titanate particle that is externally added to the toner particle, in which an average primary particle diameter of the strontium titanate particle that is present on a surface of the toner particle is 30 nm or more and 100 nm or less, and average primary particle circularity is 0.82 or more and 0.94 or less, and in which circularity that becomes 84% of accumulation of the primary particle is greater than 0.92.
    Type: Application
    Filed: April 30, 2018
    Publication date: January 31, 2019
    Applicant: FUJI XEROX CO.,LTD.
    Inventors: Moegi IGUCHI, Sakon TAKAHASHI, Soutaro KAKEHI, Yuka YAMAGISHI, Yutaka SAITO, Mona TASAKI, Tsutomu FURUTA, Tsuyoshi MURAKAMI, Satoshi KAMIWAKI
  • Patent number: 9989872
    Abstract: An electrostatic charge image developing toner includes toner particles each including an amorphous resin and a crystalline resin, wherein, when the toner particles are subjected to a measurement to determine an area ratio of the crystalline resin on a cross section of the toner particle before and after being heated at a temperature of 50° C. and a humidity of 50% RH for three days, a relationship between an area ratio a (%) of the crystalline resin on a cross section with respect to the toner particles before being heated, and an area ratio b (%) of the crystalline resin on the cross section with respect to the toner particles after being heated satisfies Expression (1): 0.9?a/b?1.0.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: June 5, 2018
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yukiaki Nakamura, Akira Matsumoto, Yasuo Kadokura, Shinya Nakashima, Satoshi Miura, Sakiko Hirai, Shotaro Takahashi, Daisuke Tomita, Satoshi Kamiwaki, Masaru Takahashi
  • Publication number: 20180059563
    Abstract: An electrostatic charge image developing toner includes toner particles each including an amorphous resin and a crystalline resin, wherein, when the toner particles are subjected to a measurement to determine an area ratio of the crystalline resin on a cross section of the toner particle before and after being heated at a temperature of 50° C. and a humidity of 50% RH for three days, a relationship between an area ratio a (%) of the crystalline resin on a cross section with respect to the toner particles before being heated, and an area ratio b (%) of the crystalline resin on the cross section with respect to the toner particles after being heated satisfies Expression (1): 0.9?a/b?1.0.
    Type: Application
    Filed: April 20, 2017
    Publication date: March 1, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yukiaki NAKAMURA, Akira MATSUMOTO, Yasuo KADOKURA, Shinya NAKASHIMA, Satoshi MIURA, Sakiko HIRAI, Shotaro TAKAHASHI, Daisuke TOMITA, Satoshi KAMIWAKI, Masaru TAKAHASHI
  • Patent number: 9835962
    Abstract: There is provided an electrostatic image-developing toner containing a binder resin, a coloring agent and a release agent having a melting temperature of 85° C. to 120° C., the toner having a sea-island structure involving a sea part containing the binder resin and an island part containing the release agent, wherein a mode value of the distribution of the eccentricity degree B of the release agent-containing island part, represented by the specific formula, is from 0.75 to 1.00 and a skewness of the distribution of the eccentricity degree B is from ?1.30 to ?0.50.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: December 5, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Satoshi Kamiwaki, Akira Matsumoto, Tsuyoshi Murakami, Satoshi Miura, Atsushi Sugawara, Yukiaki Nakamura, Kana Yoshida, Yutaka Saito, Sakon Takahashi, Yasuaki Hashimoto, Koji Sasaki, Tsutomu Furuta
  • Publication number: 20170242366
    Abstract: An electrostatic charge image developing white toner includes a white toner particle and a yellow toner particle that includes an organic yellow pigment, wherein a content ratio (by number) of the yellow toner particles to all of toner particles included in the toner is from 0.01% by number to 3% by number.
    Type: Application
    Filed: July 28, 2016
    Publication date: August 24, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Satoshi KAMIWAKI, Tetsuya TAGUCHI, Masaru TAKAHASHI, Shotaro TAKAHASHI, Tomoaki TANAKA
  • Patent number: 9726996
    Abstract: A white toner includes white toner particles and black toner particles, wherein a content of the black toner particles is from 0.01% by number to less than 1% by number with respect to a total number of an entirety of toner particles.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: August 8, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Satoshi Kamiwaki, Tetsuya Taguchi, Shotaro Takahashi, Masaru Takahashi
  • Publication number: 20170090319
    Abstract: A white toner includes white toner particles and black toner particles, wherein a content of the black toner particles is from 0.01% by number to less than 1% by number with respect to a total number of an entirety of toner particles.
    Type: Application
    Filed: March 4, 2016
    Publication date: March 30, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Satoshi KAMIWAKI, Tetsuya TAGUCHI, Shotaro TAKAHASHI, Masaru TAKAHASHI
  • Publication number: 20160085165
    Abstract: There is provided an electrostatic image-developing toner containing a binder resin, a coloring agent and a release agent having a melting temperature of 85° C. to 120° C., the toner having a sea-island structure involving a sea part containing the binder resin and an island part containing the release agent, wherein a mode value of the distribution of the eccentricity degree B of the release agent-containing island part, represented by the specific formula, is from 0.75 to 1.00 and a skewness of the distribution of the eccentricity degree B is from ?1.30 to ?0.50.
    Type: Application
    Filed: February 24, 2015
    Publication date: March 24, 2016
    Inventors: Satoshi KAMIWAKI, Akira MATSUMOTO, Tsuyoshi MURAKAMI, Satoshi MIURA, Atsushi SUGAWARA, Yukiaki NAKAMURA, Kana YOSHIDA, Yutaka SAITO, Sakon TAKAHASHI, Yasuaki HASHIMOTO, Koji SASAKI, Tsutomu FURUTA
  • Patent number: 9182689
    Abstract: An electrostatic image developing toner includes a binder resin; and a pigment having a complementary relationship with a color hue of the binder resin, the pigment being contained in an amount of about 1 ppm or greater but not greater than about 20 ppm.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: November 10, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Satoshi Kamiwaki, Susumu Yoshino, Masanobu Ninomiya
  • Patent number: 9081317
    Abstract: There is provided a positively chargeable toner including toner mother particles containing a binder resin having an ethylenically unsaturated bond, wherein the amine value of a component extracted with a water phase by the addition of ion exchanged water after mixing the toner with methyl ethyl ketone is from 600 to 1,250 and the weight average molecular weight of the component extracted with the water phase is from 1,000 to 200,000.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: July 14, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Atsushi Sugawara, Masanobu Ninomiya, Noriyuki Mizutani, Akira Matsumoto, Yusuke Ikeda, Satoshi Kamiwaki, Yukiaki Nakamura
  • Patent number: 9012114
    Abstract: An electrostatic charge image developing toner includes toner particles; and an external additive that is externally added to surfaces of the toner particles, in which a content of nitrogen atoms on the surfaces of the toner particles is from 0.8 atomic % to 5.0 atomic % and a content of nitrogen atoms at a depth of 10 nm inside from the surfaces of the toner particles is 0.4 atomic % or less when measured by X-ray photoelectron spectroscopy.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: April 21, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Noriyuki Mizutani, Tsuyoshi Murakami, Yukiaki Nakamura, Satoshi Kamiwaki
  • Patent number: 8962229
    Abstract: An electrostatic charge image developing toner is configured of a polycondensate of a polyol and a polycarboxylic acid including a trimellitic acid, includes a polyester resin with an ethylenic unsaturated bond, and has toner particles including a reaction product of the polyester resin and a compound having an imidazoline structure in a surface part, a molar ratio of the trimellitic acid is from 0.1 mol % to 10 mol % with respect to the entire polymerization components of the polyester resin, and a weight ratio of the compound having an imidazoline structure is from 0.1% by weight to 10% by weight with respect to the total weight of the toner particles excluding the compound having an imidazoline structure.
    Type: Grant
    Filed: May 1, 2013
    Date of Patent: February 24, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Akira Matsumoto, Yukiaki Nakamura, Satoshi Kamiwaki
  • Patent number: 8852838
    Abstract: An electrostatic charge image developing toner includes toner particles that contain a binder resin having a carboxyl group, in which the carboxyl group in the binder resin present on the surfaces of the toner particles forms an alkaline earth metal salt, and an amount of the alkaline earth metal which is detected through ion chromatography of the toner particles is in a range of from 1.00×10?10 mol/g to 0.90×10?6 mol/g.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: October 7, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Satoshi Kamiwaki, Akira Matsumoto, Yukiaki Nakamura, Masanobu Ninomiya, Yusuke Ikeda