Patents by Inventor Keisuke Ishii

Keisuke Ishii 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: 9644028
    Abstract: The present invention provides an anti-CDH3 humanized antibody having lower immunogenicity, and an anti-CDH3 humanized antibody drug conjugate having the aforementioned anti-CDH3 humanized antibody. The present invention provides a conjugate of an anti-CDH3 humanized antibody and a drug by conjugating a drug having cytotoxicity to an anti-CDH3 humanized antibody having complementarity determining region sequences derived from the heavy chain variable region of an antibody produced by cells having Accession No.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: May 9, 2017
    Assignee: PERSEUS PROTEOMICS INC.
    Inventors: Keisuke Ishii, Katsuyuki Mitomo, Katsushi Kouda, Fumiko Nomura, Yoko Kayukawa, Tadashi Matsuura
  • Publication number: 20160152703
    Abstract: It is an object of the present invention to produce an anti-CDH3 humanized antibody having lower immunogenicity, and to provide an anti-CDH3 humanized antibody drug conjugate comprising the aforementioned anti-CDH3 humanized antibody that more efficiently kills cancer cells expressing CDH3. The present invention provides a conjugate of an anti-CDH3 humanized antibody and a drug by conjugating a drug having cytotoxicity to an anti-CDH3 humanized antibody which comprises complementarity determining region sequences derived from the heavy chain variable region of an antibody produced by cells having Accession No.
    Type: Application
    Filed: February 14, 2014
    Publication date: June 2, 2016
    Applicant: PERSEUS PROTEOMICS INC.
    Inventors: Keisuke ISHII, Katsuyuki MITOMO, Katsushi KOUDA, Fumiko NOMURA, Yoko KAYUKAWA, Tadashi MATSUURA
  • Patent number: 9328160
    Abstract: It is an object of the present invention to provide an anti-cadherin antibody having a high internalization capacity and provide an anti-cadherin antibody-drug conjugate that effectively kills cadherin-expressing cancer cells with the use of such antibody. The present invention provides an anti-cadherin antibody which recognizes a cadherin domain 1 (EC1) of cadherin and exhibits a high internalization capacity.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: May 3, 2016
    Assignee: PERSEUS PROTEOMICS INC.
    Inventors: Keisuke Ishii, Keiko Katsumi, Tadashi Matsuura, Yukio Sudo, Katsuyuki Mitomo, Katsushi Kouda
  • Publication number: 20160058883
    Abstract: It is an object of the present invention to provide a drug conjugate comprising an anti-CDH3 antibody that efficiently kills cancer cells expressing CDH3. According to the present invention, there is provided an immune complex formed by binding an antibody against CDH3 or a fragment thereof having CDH3 binding ability to a chemotherapeutic agent.
    Type: Application
    Filed: April 4, 2012
    Publication date: March 3, 2016
    Applicant: PERSEUS PROTEOMICS INC.
    Inventors: Keisuke ISHII, Katsuyuki MITOMO, Katsushi KOUDA, Fumiko NOMURA, Yoko KAYUKAWA, Tadashi MATSUURA
  • Patent number: 9017683
    Abstract: It is an object of the present invention to provide an anti-cadherin antibody having high antibody-dependent cellular cytotoxicity. The present invention provides an anti-cadherin antibody, which recognizes any one of an upstream region of EC1, a cadherin domain 4 (EC4) and a cadherin domain 5 (EC5), wherein an antibody-dependent cellular cytotoxicity at an antibody concentration of 1 ?g/mL is 30% or more.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: April 28, 2015
    Assignees: The University of Tokyo, Perseus Proteomics Inc.
    Inventors: Hiroyuki Aburatani, Lilin Zhang, Keisuke Ishii, Katsushi Kouda, Aya Sakamoto, Keiko Katsumi, Hiroshi Onishi, Yoko Kayukawa
  • Publication number: 20130317201
    Abstract: It is an object of the present invention to provide an anti-cadherin antibody having a high internalization capacity and provide an anti-cadherin antibody-drug conjugate that effectively kills cadherin-expressing cancer cells with the use of such antibody. The present invention provides an anti-cadherin antibody which recognizes a cadherin domain 1 (EC1) of cadherin and exhibits a high internalization capacity.
    Type: Application
    Filed: October 28, 2011
    Publication date: November 28, 2013
    Applicant: PERSEUS PROTEOMICS INC.
    Inventors: Keisuke Ishii, Keiko Katsumi, Tadashi Matsuura, Yukio Sudo, Katsuyuki Mitomo, Katsushi Kouda
  • Publication number: 20130243771
    Abstract: It is an object of the present invention to provide an anti-cadherin antibody having high antibody-dependent cellular cytotoxicity. The present invention provides an anti-cadherin antibody, which recognizes any one of an upstream region of EC1, a cadherin domain 4 (EC4) and a cadherin domain 5 (EC5), wherein an antibody-dependent cellular cytotoxicity at an antibody concentration of 1 ?g/mL is 30% or more.
    Type: Application
    Filed: May 3, 2013
    Publication date: September 19, 2013
    Applicants: PERSEUS PROTEOMICS INC., THE UNIVERSITY OF TOKYO
    Inventors: Hiroyuki ABURATANI, Lilin ZHANG, Keisuke ISHII, Katsushi KOUDA, Aya SAKAMOTO, Keiko KATSUMI, Hiroshi ONISHI, Yoko KAYUKAWA
  • Publication number: 20130245232
    Abstract: It is an object of the present invention to provide an anti-cadherin antibody having high antibody-dependent cellular cytotoxicity. The present invention provides an anti-cadherin antibody, which recognizes any one of an upstream region of EC1, a cadherin domain 4 (EC4) and a cadherin domain 5 (EC5), wherein an antibody-dependent cellular cytotoxicity at an antibody concentration of 1 ?g/mL is 30% or more.
    Type: Application
    Filed: May 3, 2013
    Publication date: September 19, 2013
    Applicants: PERSEUS PROTEOMICS INC., THE UNIVERSITY OF TOKYO
    Inventors: Hiroyuki ABURATANI, Lilin ZHANG, Keisuke ISHII, Katsushi KOUDA, Aya SAKAMOTO, Keiko KATSUMI, Hiroshi ONISHI, Yoko KAYUKAWA
  • Patent number: 8455249
    Abstract: It is an object of the present invention to provide an anti-cadherin antibody having high antibody-dependent cellular cytotoxicity. The present invention provides an anti-cadherin antibody, which recognizes any one of an upstream region of EC1, a cadherin domain 4 (EC4) and a cadherin domain 5 (EC5), wherein an antibody-dependent cellular cytotoxicity at an antibody concentration of 1 ?g/mL is 30% or more.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: June 4, 2013
    Assignees: The University of Tokyo, Perseus Proteomics Inc.
    Inventors: Hiroyuki Aburatani, Lilin Zhang, Keisuke Ishii, Katsushi Kouda, Aya Sakamoto, Keiko Katsumi, Hiroshi Onishi, Yoko Kayukawa
  • Patent number: 8065081
    Abstract: Data is shared between a vehicle mounted navigation device and a vehicle mounted user interface device and among a plurality of vehicle mounted user interface devices. In a first location free display that allows a plurality of users to separately have access to the navigation device, external data obtained from the navigation device or from another location free display and its own user data are saved and managed, and shared with the navigation device and the another location free display. It is possible to utilize the external data not owned by itself or the user data of another person with the navigation device or the another location free display and perform a navigation process in an inner space of the vehicle efficiently.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: November 22, 2011
    Assignee: Sony Corporation
    Inventors: Mamoru Kugumiya, Isao Watanabe, Keisuke Ishii
  • Patent number: 7933412
    Abstract: Display devices are connected with a content server mounted inside a vehicle by a wireless communication technology as stipulated in IEEE802.11b. The content server and display devices share common keys (encryption key and corresponding decryption key) acted on by key creation information consisting of information about the vehicle. The content server reads out stored contents according to requests from the display devices. The read contents are then encrypted using the encryption key shared with the display devices and sent to the display devices. The invention can be applied to a wireless communication system consisting of devices which communicate data by wireless communication technology within the vehicle.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: April 26, 2011
    Assignee: Sony Corporation
    Inventors: Mamoru Kugumiya, Keisuke Ishii
  • Publication number: 20100041167
    Abstract: The present invention is directed to a method for diagnosing large intestinal cancer and/or polyp and a method for observing postoperative course or monitoring recurrence thereof, wherein each method includes detecting cystatin SN protein by use of an anti-cystatin SN antibody. The present invention is able to provide a kit for assaying cystatin SN, which can be used, in a simple manner, in a diagnosis performed prior to conventional barium enema examination and endoscopic examination which impose burdens on patients; as an indicator of metastasis and recurrence; and in the evaluation of therapeutic effects. The present invention provides a method for diagnosing or monitoring large intestinal cancer and/or polyp which can be performed in a simple manner, and thus can allow to design a new regimen rapidly.
    Type: Application
    Filed: December 14, 2005
    Publication date: February 18, 2010
    Applicants: Perseus Proteomics Inc., The University of Tokyo
    Inventors: Hiroyuki Aburatani, Takahiro Shimamura, Kiyotaka Watanabe, Takeharu Asano, Shin Ohnishi, Takao Hamakubo, Akira Sugiyama, Naoki Hosomi, Hiroko Iwanari, Keisuke Ishii
  • Patent number: 7616392
    Abstract: A lens barrel that configures an imaging apparatus by being detachably attached to an imaging apparatus main body includes a lens barrel in which an imaging lens is formed and a connecting section to the imaging apparatus main body is formed on one end side in an optical axis direction of the imaging lens and a grip section provided on a side surface of the lens barrel and gripped by a camera operator during imaging. The grip section projects from the side surface of the lens barrel further to a side surface of the apparatus main body than an end face on the connecting section side.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: November 10, 2009
    Assignee: Sony Corporation
    Inventors: Ei Igarashi, Hibiki Yoshikawa, Yoshiyuki Kamata, Keisuke Ishii
  • Patent number: 7552011
    Abstract: A map display apparatus is provided to allow a user to easily find out destinations on maps without forcing him/her to perform troublesome operations. An apparatus displays a main map image showing a current position at substantially a center of a screen. The apparatus also disposes a plurality of map images around the main map image in thumbnail format such that each map image corresponds to each direction on the main map image. In this manner, the apparatus provides the user with information about wider area than the main map image by showing him/her the thumbnails , which are disposed around the main map image such that each thumbnail corresponds to each direction on the main map image That allows the user to easily find out destinations on maps without forcing him/her to perform troublesome operations.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: June 23, 2009
    Assignee: Sony Corporation
    Inventors: Keisuke Ishii, Kenji Nagashima, Yuichi Ando
  • Publication number: 20090059397
    Abstract: A lens barrel that configures an imaging apparatus by being detachably attached to an imaging apparatus main body includes a lens barrel in which an imaging lens is formed and a connecting section to the imaging apparatus main body is formed on one end side in an optical axis direction of the imaging lens and a grip section provided on a side surface of the lens barrel and gripped by a camera operator during imaging. The grip section projects from the side surface of the lens barrel further to a side surface of the apparatus main body than an end face on the connecting section side.
    Type: Application
    Filed: July 24, 2008
    Publication date: March 5, 2009
    Applicant: Sony Corporation
    Inventors: Ei Igarashi, Hibiki Yoshikawa, Yoshiyuki Kamata, Keisuke Ishii
  • Publication number: 20060173616
    Abstract: Data is shared between a vehicle mounted navigation device and a vehicle mounted user interface device and among a plurality of vehicle mounted user interface devices. In a first location free display that allows a plurality of users to separately have access to the navigation device, external data obtained from the navigation device or from another location free display and its own user data are saved and managed, and shared with the navigation device and the another location free display. It is possible to utilize the external data not owned by itself or the user data of another person with the navigation device or the another location free display and perform a navigation process in an inner space of the vehicle efficiently.
    Type: Application
    Filed: November 17, 2005
    Publication date: August 3, 2006
    Applicant: Sony Corporation
    Inventors: Mamoru Kugumiya, Isao Watanabe, Keisuke Ishii
  • Publication number: 20060167629
    Abstract: The present invention allows a user to easily find out destinations on maps without forcing him/her to perform troublesome operations. An apparatus displays a main map image 21 showing a current position at substantially a center of a screen. The apparatus also disposes a plurality of map images 22 through 29 around the main map image 21 in thumbnail format such that each map image 22 through 29 corresponds to each direction on the main map image 21. In this manner, the apparatus provides the user with information about wider area than the main map image 21 by showing him/her the thumbnails 22 through 29, which are disposed around the main map image 21 such that each thumbnail 22 through 29 corresponds to each direction on the main map image 21. That allows the user to easily find out destinations on maps without forcing him/her to perform troublesome operations.
    Type: Application
    Filed: December 30, 2005
    Publication date: July 27, 2006
    Applicant: Sony Corporation
    Inventors: Keisuke Ishii, Kenji Nagashima, Yuichi Ando
  • Publication number: 20050177284
    Abstract: Display devices are connected with a content server mounted inside a vehicle by a wireless communication technology as stipulated in IEEE802.11b. The content server and display devices share common keys (encryption key and corresponding decryption key) acted on by key creation information consisting of information about the vehicle. The content server reads out stored contents according to requests from the display devices. The read contents are then encrypted using the encryption key shared with the display devices and sent to the display devices. The invention can be applied to a wireless communication system consisting of devices which communicate data by wireless communication technology within the vehicle.
    Type: Application
    Filed: December 10, 2004
    Publication date: August 11, 2005
    Applicant: Sony Corporation
    Inventors: Mamoru Kugumiya, Keisuke Ishii
  • Publication number: 20040190387
    Abstract: A turntable comprises a guide portion concentric with a rotary shaft for rotary driving an information recording disk and a ring-like centering member for centering the information recording disk by employing a central hole is provided in the information recording disk the centering member being provided so that it can move up and down so that the outer peripheral surface of the guide portion and the inner peripheral surface of the centering member face each other, wherein the centering member applies pressure to the inner periphery of the central hole of the information recording disk during rotation, thereby pressing it against the guide portion. As a result, the guide portion is elastically deformed and the centering accuracy of a disk carried on a turntable is maintained.
    Type: Application
    Filed: January 27, 2004
    Publication date: September 30, 2004
    Applicant: Tokyo Parts Industrial Co., Ltd.
    Inventors: Keisuke Ishii, Masahisa Tsuchiya
  • Patent number: 5615538
    Abstract: A strapping machine is disclosed which enables a prolonged life of the driving force supplying means for feeding/tightening a band such as an electric motor to be realized, and which enables maintenance operations such as replacement and adjustment of the parts to be carried out with ease, and whose structure can be rendered simple and inexpensive as a whole, and yet which enables energy saving to be realized. The strapping machine comprising a band feeding/tightening means F adapted to conduct feeding, primary tightening, secondary tightening of a band B to be looped around a periphery of an object to be strapped and the like operation; wherein said band feeding/tightening means F is so constructed as to carry out feeding, primary tightening and secondary tightening of the band B by driving a roller 8 by means of a driving means M2 which is capable of being controlled among rotation, reverse rotation and stopped state.
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: April 1, 1997
    Assignee: Kioritz Corporation
    Inventors: Susumu Miyashita, Akira Nagashima, Tadashige Kondo, Keisuke Ishii