Patents by Inventor Kana Sato

Kana Sato 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: 11971683
    Abstract: Provided an electrophotographic electro-conductive member that can stably suppress an occurrence of fogging in an electrophotographic image. The member comprises a support having an electro-conductive outer surface, and an electro-conductive layer on the outer surface of the support, the electro-conductive layer having a matrix including a cross-linked product of a first rubber, and domains dispersed in the matrix, the domains each includes a cross-linked product of a second rubber and an electro-conductive particle, at least some of the domains is exposed to the outer surface of the electro-conductive member to constitute protrusions on an outer surface of the member, the outer surface of the electro-conductive member is constituted by the matrix and the domains exposed to the outer surface of the electrophotographic electro-conductive member, the electrophotographic electro-conductive member has an impedance of 1.0×103? or more and 1.0×108? or less, and some of the domains satisfy two specific requirements.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: April 30, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Satoru Nishioka, Kazuhiro Yamauchi, Hiroaki Watanabe, Takumi Furukawa, Yasuhiro Fushimoto, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kana Sato
  • Publication number: 20240053699
    Abstract: An electrophotographic member comprising: a mandrel; and an elastic layer on an outer periphery of the mandrel, the elastic layer containing a polyurethane elastomer including a matrix and domains dispersed in the matrix, a parameter A and a parameter B satisfying a relationship of A<B, where the parameter A indicates a viscoelastic term of each of the plurality of domains and the parameter B indicates a viscoelastic term of the matrix, the elastic layer having a microrubber hardness at a temperature of 23° C. of 20 to 50, and in an indentation test of the elastic layer with a nanoindenter at 23° C., in which a Vickers indenter is indented into the elastic layer at a load speed of 10 mN/30 sec and is maintained at a load of 10 mN for 60 seconds, followed by unloading, strain after 5 seconds from the unloading being 1 ?m or less.
    Type: Application
    Filed: October 19, 2023
    Publication date: February 15, 2024
    Inventors: MASAHIRO WATANABE, KANA SATO, TETSUO HINO, RYO OGAWA, TAKAYUKI HIRATANI
  • Publication number: 20240043685
    Abstract: Provided is a polyurethane elastomer having excellent friction properties (low friction coefficient), high wear resistance, and low hardness. The polyurethane elastomer includes: a first repeating structural unit represented by the general formula (1) and a second repeating structural unit represented by the general formula (2). The polyurethane elastomer includes a matrix phase and a domain phase dispersed in the matrix phase. The matrix phase includes the first repeating structural unit. The domain phase includes the second repeating structural unit.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 8, 2024
    Inventors: TAKAYUKI HIRATANI, RYO OGAWA, KANA SATO, MASAHIRO WATANABE, TETSUO HINO
  • Publication number: 20230329281
    Abstract: The present invention aims to provide feedstuffs for ruminants with high nutritional value and high digestion efficiency. According to the present invention, feed pellets for ruminants containing a kraft pulp derived from a lignocellulosic material are provided, wherein the kraft pulp has a Canadian standard freeness of less than 400 ml.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 19, 2023
    Inventors: Taisuke Minohara, Kana Sato, Hiroshi Shinkura, Kazuhiro Kurosu, Takeshi Iimori
  • Publication number: 20230320380
    Abstract: The present invention aims to provide feedstuffs for ruminants with high nutritional value capable of promoting rumination. According to the present invention, feedstuffs for ruminants containing a kraft pulp derived from a lignocellulosic material are provided, wherein the kraft pulp has a Canadian standard freeness of 400 ml or more.
    Type: Application
    Filed: June 12, 2023
    Publication date: October 12, 2023
    Inventors: Taisuke Minohara, Kana Sato, Hiroshi Shinkura, Kazuhiro Kurosu, Takeshi Iimori
  • Patent number: 11723382
    Abstract: The present invention aims to provide feedstuffs for ruminants with high nutritional value and high digestion efficiency. According to the present invention, feed pellets for ruminants containing a kraft pulp derived from a lignocellulosic material are provided, wherein the kraft pulp has a Canadian standard freeness of less than 400 ml.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: August 15, 2023
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Taisuke Minohara, Kana Sato, Hiroshi Shinkura, Kazuhiro Kurosu, Takeshi Iimori
  • Patent number: 11712050
    Abstract: The present invention aims to provide feedstuffs for ruminants with high nutritional value capable of promoting rumination. According to the present invention, feedstuffs for ruminants containing a kraft pulp derived from a lignocellulosic material are provided, wherein the kraft pulp has a Canadian standard freeness of 400 ml or more.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: August 1, 2023
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Taisuke Minohara, Kana Sato, Hiroshi Shinkura, Kazuhiro Kurosu, Takeshi Iimori
  • Publication number: 20230095958
    Abstract: Provided is a cleaning blade including: an elastic member containing a polyurethane; and a supporting member configured to support the elastic member. The polyurethane has a linear moiety represented by —(CH2)m-. The elastic member has a plate shape having a main surface and a distal end surface forming a distal end-side edge with the main surface, at least on a distal end side. Martens hardness at positions on a bisector at intervals of 30 ?m from a distal end-side edge to a position furthest away from the distal end-side edge by 100 ?m decreases from a distal end-side edge to the position. A Martens hardness HM1 of the elastic member at a position P1 is 1.0 N/mm2 or more. The elastic layer satisfies K?1>K?2>K?3. Further, the cleaning blade has an erosion rate E of 0.6 ?m/g or less.
    Type: Application
    Filed: August 26, 2022
    Publication date: March 30, 2023
    Inventors: Kana Sato, Ryo Ogawa, Masahiro Watanabe, Takayuki Hiratani, Tetsuo Hino, Masaki Tsunoda
  • Patent number: 11397388
    Abstract: A process for producing an electrophotographic electroconductive member having an electroconductive support and an electroconductive layer in the order mentioned. The electroconductive layer has a matrix including a crosslinked product of a first rubber, and a domain including a crosslinked product of a second rubber and an electroconductive particle, the process including the steps of: providing a rubber mixture for forming the domain, including carbon black and the second rubber by kneading the carbon black and the second rubber; providing a rubber mixture for forming the matrix, including the first rubber; kneading the rubber mixture for forming the domain and the rubber mixture for forming the matrix to prepare a rubber composition having a matrix-domain structure; forming a layer of the rubber composition on a surface of the electroconductive support; and curing the layer of the rubber composition on the surface of the electroconductive support to form the electroconductive layer.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: July 26, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Satoru Nishioka, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kazuhiro Yamauchi, Kana Sato, Takumi Furukawa, Hiroaki Watanabe, Kenya Terada, Yuya Tomomizu, Toshimitsu Nakazawa
  • Publication number: 20220026825
    Abstract: An electroconductive member for electrophotography has an electroconductive support and an electroconductive layer in the order mentioned. The electroconductive layer has a matrix including a crosslinked product of a first rubber, and a domain including a crosslinked product of a second rubber and an electroconductive particle. The impedance of the outer surface of the electroconductive member is 1.0×103 to 1.0×108?). 80% by number or more of domains observed at each of a total of nine 15-?m square observation regions, which are disposed at any three points in a thickness region from the outer surface to a specific depth on each of cross sections in the thickness direction at three points: the center of the electroconductive layer in the longitudinal direction and points at a specific distance from the both edges of the electroconductive layer toward the center, satisfy specific requirements.
    Type: Application
    Filed: October 7, 2021
    Publication date: January 27, 2022
    Inventors: Satoru Nishioka, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kazuhiro Yamauchi, Kana Sato, Takumi Furukawa, Hiroaki Watanabe, Kenya Terada, Yuya Tomomizu, Toshimitsu Nakazawa
  • Publication number: 20220011684
    Abstract: Provided an electrophotographic electro-conductive member that can stably suppress an occurrence of fogging in an electrophotographic image. The member comprises a support having an electro-conductive outer surface, and an electro-conductive layer on the outer surface of the support, the electro-conductive layer having a matrix including a cross-linked product of a first rubber, and domains dispersed in the matrix, the domains each includes a cross-linked product of a second rubber and an electro-conductive particle, at least some of the domains is exposed to the outer surface of the electro-conductive member to constitute protrusions on an outer surface of the member, the outer surface of the electro-conductive member is constituted by the matrix and the domains exposed to the outer surface of the electrophotographic electro-conductive member, the electrophotographic electro-conductive member has an impedance of 1.0×103? or more and 1.0×108? or less, and some of the domains satisfy two specific requirements.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Inventors: Satoru Nishioka, Kazuhiro Yamauchi, Hiroaki Watanabe, Takumi Furukawa, Yasuhiro Fushimoto, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kana Sato
  • Patent number: 11175602
    Abstract: An electroconductive member for electrophotography has an electroconductive support and an electroconductive layer in the order mentioned. The electroconductive layer has a matrix including a crosslinked product of a first rubber, and a domain including a crosslinked product of a second rubber and an electroconductive particle. The impedance of an outer surface of the electroconductive member is 1.0×103 to 1.0×108?. 80% by number or more of domains observed at each of a total of nine 15-?m square observation regions, which are disposed at any three points in a thickness region from the outer surface to a specific depth on each of cross sections in a thickness direction at three points: the center of the electroconductive layer in the longitudinal direction and points at a specific distance from both edges of the electroconductive layer toward the center, satisfy specific requirements.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: November 16, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Satoru Nishioka, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kazuhiro Yamauchi, Kana Sato, Takumi Furukawa, Hiroaki Watanabe, Kenya Terada, Yuya Tomomizu, Toshimitsu Nakazawa
  • Patent number: 11169454
    Abstract: Provided an electrophotographic electro-conductive member that can stably suppress an occurrence of fogging in an electrophotographic image. The member comprises a support having an electro-conductive outer surface, and an electro-conductive layer on the outer surface of the support, the electro-conductive layer having a matrix including a cross-linked product of a first rubber, and domains dispersed in the matrix, the domains each includes a cross-linked product of a second rubber and an electro-conductive particle, at least some of the domains is exposed to the outer surface of the electro-conductive member to constitute protrusions on an outer surface of the member, the outer surface of the electro-conductive member is constituted by the matrix and the domains exposed to the outer surface of the electrophotographic electro-conductive member, the electrophotographic electro-conductive member has an impedance of 1.0×103? or more and 1.0×108? or less, and some of the domains satisfy two specific requirements.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: November 9, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Satoru Nishioka, Kazuhiro Yamauchi, Hiroaki Watanabe, Takumi Furukawa, Yasuhiro Fushimoto, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kana Sato
  • Publication number: 20210041796
    Abstract: An electroconductive member for electrophotography has an electroconductive support and an electroconductive layer in the order mentioned. The electroconductive layer has a matrix including a crosslinked product of a first rubber, and a domain including a crosslinked product of a second rubber and an electroconductive particle. The impedance of the outer surface of the electroconductive member is 1.0×103 to 1.0×108 ?. 80% by number or more of domains observed at each of a total of nine 15-?m square observation regions, which are disposed at any three points in a thickness region from the outer surface to a specific depth on each of cross sections in the thickness direction at three points: the center of the electroconductive layer in the longitudinal direction and points at a specific distance from the both edges of the electroconductive layer toward the center, satisfy specific requirements.
    Type: Application
    Filed: October 16, 2020
    Publication date: February 11, 2021
    Inventors: Satoru Nishioka, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kazuhiro Yamauchi, Kana Sato, Takumi Furukawa, Hiroaki Watanabe, Kenya Terada, Yuya Tomomizu, Toshimitsu Nakazawa
  • Publication number: 20200310265
    Abstract: Provided an electrophotographic electro-conductive member that can stably suppress an occurrence of fogging in an electrophotographic image. The member comprises a support having an electro-conductive outer surface, and an electro-conductive layer on the outer surface of the support, the electro-conductive layer having a matrix including a cross-linked product of a first rubber, and domains dispersed in the matrix, the domains each includes a cross-linked product of a second rubber and an electro-conductive particle, at least some of the domains is exposed to the outer surface of the electro-conductive member to constitute protrusions on an outer surface of the member, the outer surface of the electro-conductive member is constituted by the matrix and the domains exposed to the outer surface of the electrophotographic electro-conductive member, the electrophotographic electro-conductive member has an impedance of 1.0×103? or more and 1.0×108? or less, and some of the domains satisfy two specific requirements.
    Type: Application
    Filed: March 24, 2020
    Publication date: October 1, 2020
    Inventors: Satoru Nishioka, Kazuhiro Yamauchi, Hiroaki Watanabe, Takumi Furukawa, Yasuhiro Fushimoto, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kana Sato
  • Patent number: 10486137
    Abstract: The invention provides an anticancer agent adsorbing sheet body that exhibits a sufficient effect of adsorbing and retaining highly toxic chemical agents such as anticancer agents, and that further improves safety for health care professionals in medical environments.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: November 26, 2019
    Assignees: FUTAMURA KAGAKU KABUSHIKI KAISHA, IWATE MEDICAL UNIVERSITY
    Inventors: Junya Sato, Makoto Yokoi, Kana Sato
  • Publication number: 20190183143
    Abstract: The present invention aims to provide feedstuffs for ruminants with high nutritional value and high digestion efficiency. According to the present invention, feed pellets for ruminants containing a kraft pulp derived from a lignocellulosic material are provided, wherein the kraft pulp has a Canadian standard freeness of less than 400 ml.
    Type: Application
    Filed: August 25, 2017
    Publication date: June 20, 2019
    Inventors: Taisuke Minohara, Kana Sato, Hiroshi Shinkura, Kazuhiro Kurosu, Takeshi Iimori
  • Publication number: 20190174794
    Abstract: The present invention aims to provide feedstuffs for ruminants with high nutritional value capable of promoting rumination. According to the present invention, feedstuffs for ruminants containing a kraft pulp derived from a lignocellulosic material are provided, wherein the kraft pulp has a Canadian standard freeness of 400 ml or more.
    Type: Application
    Filed: August 25, 2017
    Publication date: June 13, 2019
    Inventors: Taisuke Minohara, Kana Sato, Hiroshi Shinkura, Kazuhiro Kurosu, Takeshi Iimori
  • Patent number: 10193159
    Abstract: A current collector for a secondary battery (1) of the present invention includes a resin layer (2) having electrical conductivity, and an ion barrier layer (3) provided on the surface of the resin layer (2). The ion barrier layer (3) contains ion trapping particles (6) in which metal compounds (5) are provided on the surfaces of metal containing particles (4). The ion trapping particles (6) are continuously provided from an interface (7) between the resin layer (2) and the ion barrier layer (3) toward a surface (3a) of the ion barrier layer (3). Thus, the ion barrier layer (3) prevents from the entry of ions, so that the ion adsorption in the current collector (1) can be decreased.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: January 29, 2019
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Chizuru Matsuyama, Yasuyuki Tanaka, Takashi Honda, Shigeo Ibuka, Yoshiaki Nitta, Satoru Ichikawa, Manabu Kaseda, Tomoya Kubota, Haruyuki Saito, Keisuke Shimamoto, Kana Sato, Yukinari Kato, Hideaki Horie
  • Publication number: 20180257060
    Abstract: The invention provides an anticancer agent adsorbing sheet body that exhibits a sufficient effect of adsorbing and retaining highly toxic chemical agents such as anticancer agents, and that further improves safety for health care professionals in medical environments.
    Type: Application
    Filed: September 1, 2016
    Publication date: September 13, 2018
    Inventors: Junya Sato, Makoto Yokoi, Kana Sato