Patents by Inventor Koji Sakairi

Koji Sakairi 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: 11655395
    Abstract: A support film for a tape material, includes a film-shaped support formed of polyurethane; and a barrier layer containing an aromatic isocyanate-based polyurethane and a layered inorganic compound and formed on one surface of the support.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: May 23, 2023
    Assignees: TOPPAN PRINTING CO.. LTD., HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Koji Sakairi, Atsushi Matsushima, Tomohiro Shinoda, Atsushi Sonobe
  • Publication number: 20210137799
    Abstract: A skin-adhesive film including a film body having an average thickness of 5 ?m or less, and a blockage ratio of 5%-60%. The blockage ratio is a ratio of blocking evaporation of water having a temperature equal to a human body temperature at a position where the film body is present relative to evaporation of the water at a position where the film body is not present.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 13, 2021
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Manabu WATANABE, Koji SAKAIRI, Yuichiro HAYASAKA, Kazuyo MINOWA
  • Publication number: 20210060898
    Abstract: A transfer sheet including a support layer including a porous material, and a thin-film layer supported by the support layer and having a thickness of 5000 nm or less. The transfer sheet has a dry adhesion strength of 100 mN or more, and a wet adhesion strength of lower than the dry adhesion strength and 230 mN or less, where the dry adhesion strength is an adhesion strength between the support layer and the thin-film layer while the support layer and the thin-film layer are dry, and the wet adhesion strength is an adhesion strength between the support layer and the thin-film layer while the support layer and the thin-film layer are wet.
    Type: Application
    Filed: November 16, 2020
    Publication date: March 4, 2021
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Natsumi MORISHIMA, Koji SAKAIRI
  • Publication number: 20190161647
    Abstract: A support film for a tape material, includes a film-shaped support formed of polyurethane; and a barrier layer containing an aromatic isocyanate-based polyurethane and a layered inorganic compound and formed on one surface of the support.
    Type: Application
    Filed: January 31, 2019
    Publication date: May 30, 2019
    Applicants: TOPPAN PRINTING CO., LTD., HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Koji SAKAIRI, Atsushi MATSUSHIMA, Tomohiro SHINODA, Atsushi SONOBE
  • Publication number: 20190160797
    Abstract: A support film for a tape material is provided that includes a film-shaped support formed of polyurethane, a barrier layer containing an aromatic isocyanate-based polyurethane and a layered inorganic compound and formed on one surface of the support, and an overcoat layer containing a polyvinyl alcohol or an ethylene-vinyl alcohol copolymer and an organometallic chelating agent.
    Type: Application
    Filed: January 31, 2019
    Publication date: May 30, 2019
    Applicants: TOPPAN PRINTING CO., LTD., HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Koji SAKAIRI, Atsushi MATSUSHIMA, Tomohiro SHINODA, Atsushi SONOBE
  • Patent number: 8702950
    Abstract: A device for electrophoresis applies a voltage to a medium in contact with a plurality of electric conductors so that a potential of adjacent conductors is within a certain range. This allows preventing decline in electrophoresis speed. A device for electrophoresis and transfer includes an electrode having a plurality of electrode regions being insulated one another and arranged in a specific direction. This allows providing a practical and easy-to-use device for electrophoresis and transfer. A device for transfer alters an applied voltage or applied voltage duration to a certain position to another position. This allows improving transfer efficiency.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: April 22, 2014
    Assignees: Sharp Kabushiki Kaisha, Toppan Printing Co., Ltd.
    Inventors: Yuji Maruo, Yutaka Unuma, Atsunori Hiratsuka, Hideki Kinoshita, Kenji Yokoyama, Koji Sakairi, Satonari Akutsu
  • Patent number: 8500981
    Abstract: An electrophoresis apparatus includes a sample separating section for containing a sample separating medium for separating a sample in a horizontal direction, the sample separating section containing the sample separating medium in such a manner that the sample separating medium has an exposed portion at least one end of a surface of the sample separating medium, the surface being in parallel with the horizontal direction; and medium connecting means for connecting a sample containing medium to the sample separating medium at a connecting region, the sample containing medium containing a sample, and the connecting region satisfying a particular equation. By this, an electrophoresis technique with better accuracy than conventional arts can be provided.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: August 6, 2013
    Assignees: Toppan Printing Co., Ltd., Sharp Kabushiki Kaisha
    Inventors: Koji Sakairi, Satonari Akutsu, Yuji Maruo, Takateru Matsunaga, Yutaka Unuma, Atsunori Hiratsuka, Hideki Kinoshita, Nao Sakaguchi, Kenji Yokoyama
  • Patent number: 8419916
    Abstract: A biological molecule separation apparatus for separating a biological molecule of one embodiment of the present invention has a buffer solution chamber receiving a buffer solution, a separation electrode arranged in the buffer solution chamber, a biological molecule separation medium for separating a biological molecule, a biological molecule adsorption film for adsorbing a biological molecule, a pair of transfer electrodes having a plurality of line shaped conductors extending in a direction perpendicular to a first direction, the conductors being arranged in the direction perpendicular to the first direction, and a separation part which holds the transfer electrode, the biological molecule adsorption film, the medium and the transfer electrode, wherein the transfer electrode, the biological molecule adsorption film, the medium and the transfer electrode are stacked in this order.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: April 16, 2013
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Koji Sakairi, Satonari Akutsu, Atsunori Hiratsuka, Kenji Yokoyama, Yuji Maruo, Hiroshi Ohki
  • Publication number: 20130015069
    Abstract: A device for electrophoresis applies a voltage to a medium in contact with a plurality of electric conductors so that a potential of adjacent conductors is within a certain range. This allows preventing decline in electrophoresis speed. A device for electrophoresis and transfer includes an electrode having a plurality of electrode regions being insulated one another and arranged in a specific direction. This allows providing a practical and easy-to-use device for electrophoresis and transfer. A device for transfer alters an applied voltage or applied voltage duration to a certain position to another position. This allows improving transfer efficiency.
    Type: Application
    Filed: September 10, 2012
    Publication date: January 17, 2013
    Applicant: Sharp Kabushiki Kaisha and Toppan Printing Co., Ltd.
    Inventors: Yuji MARUO, Yutaka Unuma, Atsunori Hiratsuka, Hideki Kinoshita, Kenji Yokoyama, Koji Sakairi, Satonari Akutsu
  • Publication number: 20120273360
    Abstract: An instrument for electrophoresis includes a sample-separating portion in which a slab sample-separating medium that separates a sample is provided. The instrument for electrophoresis includes a sample-transporting portion that transports a sample-containing medium containing the sample to the sample-separating portion. The instrument for electrophoresis includes a positioning portion that is provided to the sample-separating portion and/or the sample-transporting portion and used for connecting the sample-transporting portion to a predetermined position of the sample-separating portion.
    Type: Application
    Filed: December 21, 2010
    Publication date: November 1, 2012
    Inventors: Hideki Kinoshita, Yuji Maruo, Yutaka Unuma, Atsunori Hiratsuka, Koji Sakairi, Satonari Akutsu
  • Publication number: 20110233062
    Abstract: A biological molecule separation apparatus for separating a biological molecule of one embodiment of the present invention has a buffer solution chamber receiving a buffer solution, a separation electrode arranged in the buffer solution chamber, a biological molecule separation medium for separating a biological molecule, a biological molecule adsorption film for adsorbing a biological molecule, a pair of transfer electrodes having a plurality of line shaped conductors extending in a direction perpendicular to a first direction, the conductors being arranged in the direction perpendicular to the first direction, and a separation part which holds the transfer electrode, the biological molecule adsorption film, the medium and the transfer electrode, wherein the transfer electrode, the biological molecule adsorption film, the medium and the transfer electrode are stacked in this order.
    Type: Application
    Filed: March 28, 2011
    Publication date: September 29, 2011
    Applicant: Toppan Printing Co., Ltd.
    Inventors: Koji Sakairi, Satonari Akutsu, Atsunori Hiratsuka, Kenji Yokoyama, Yuji Maruo, Hiroshi Ohki
  • Patent number: 8012430
    Abstract: The methods for producing microchannel chips of the present invention comprise the steps of shielding substrate surfaces on which groove-like channels have been formed, using a mask that exposes the channels, and then forming polymer membranes on the exposed surfaces of the substrates; and the step of laminating cover materials onto the side of the substrate surfaces on which the channels have been formed.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: September 6, 2011
    Assignees: National Institute of Advanced Industrial Science and Technology, Katayanagi Institute, Toppan Printing Co., Ltd.
    Inventors: Kenji Yokoyama, Satoshi Koide, Koji Sakairi, Kazuyoshi Yano, Isao Karube
  • Patent number: 7964077
    Abstract: The present invention is to provide a sample separation instrument used in a sample separation apparatus which includes: holding means for holding a first medium supporter which supports a first medium; and driving means for moving fixing means or the holding means in a direction parallel or perpendicular to a plane whose sides extend in the first direction and in the second directions. The sample separation instrument includes an insulator for storing a second medium which allows a sample separated in the first medium in the first direction to be further separated in the second direction different from the first direction, wherein: the insulator includes a first opening and a second opening each of which defines the second direction in which the second medium is electrified, and the second opening has a shape which allows the first medium containing the separated sample to be attached to the second medium along the first direction.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: June 21, 2011
    Assignees: Sharp Kabushiki Kaisha, Toppan Printing Co., Ltd
    Inventors: Yuji Maruo, Katsuyoshi Takahashi, Yutaka Unuma, Keisuke Usui, Hideki Kinoshita, Kisho Shiseki, Yoshio Suzuki, Atsunori Hiratsuka, Hiroyuki Fukui, Kenji Yokoyama, Ichiji Namatame, Kouhei Yodoya, Yasuhiro Ogawa, Koji Sakairi, Chie Hayashida, Satonari Akutsu, Kazuyoshi Yano, Isao Karube
  • Patent number: 7951279
    Abstract: There is provided an electrophoresis device including an insulator that includes: a first-separating-medium storing section for storing therein a first separating medium; a first opening and a second opening that are in communication with the first-separating-medium storing section and for defining a direction of separation on the first separating medium; and a third opening that is covered with a penetrable insulating thin film, wherein the first separating medium storing section is in communication with outside via the first opening and the second opening. There is also provided an electrophoresis apparatus including the electrophoresis device. This realizes an electrophoresis apparatus, and a device therefor, that enables an operator to sample separated proteins without ever making contact with the electrophoresed gel, and that can easily be used with various types of analyses, thereby improving convenience of electrophoresis.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: May 31, 2011
    Assignees: Toppan Printing Co., Ltd., Sharp Kabushiki Kaisha
    Inventors: Chie Hayashida, Koji Sakairi, Katsuyoshi Takahashi, Yuji Maruo, Michinobu Mieda, Yutaka Unuma
  • Publication number: 20110114485
    Abstract: An electrophoresis apparatus includes a sample separating section for containing a sample separating medium for separating a sample in a horizontal direction, the sample separating section containing the sample separating medium in such a manner that the sample separating medium has an exposed portion at least one end of a surface of the sample separating medium, the surface being in parallel with the horizontal direction; and medium connecting means for connecting a sample containing medium to the sample separating medium at a connecting region, the sample containing medium containing a sample, and the connecting region satisfying a particular equation. By this, an electrophoresis technique with better accuracy than conventional arts can be provided.
    Type: Application
    Filed: July 15, 2009
    Publication date: May 19, 2011
    Inventors: Koji Sakairi, Satonari Akutsu, Yuji Maruo, Takateru Matsunaga, Yutaka Unuma, Atsunori Hiratsuka, Hideki Kinoshita, Nao Sakaguchi, Kenji Yokoyama
  • Publication number: 20100101953
    Abstract: The methods for producing microchannel chips of the present invention comprise the steps of shielding substrate surfaces on which groove-like channels have been formed, using a mask that exposes the channels, and then forming polymer membranes on the exposed surfaces of the substrates; and the step of laminating cover materials onto the side of the substrate surfaces on which the channels have been formed.
    Type: Application
    Filed: March 3, 2005
    Publication date: April 29, 2010
    Applicants: National Institute of Advanced Industrial Science and Technology, Katayanagi Institute, Toppan Printing Co., Ltd.
    Inventors: Kenji Yokoyama, Satoshi Koide, Koji Sakairi, Kazuyoshi Yano, Isao Karube
  • Publication number: 20090314643
    Abstract: The object of the present invention is to inject smoothly a precursor to be a support and make an excellent support in which a boundary between a separation gel and a concentration gel after the injection is not ill-defined in the cassette which is made by combining two plates made of a synthetic resin, and in order to achieve the object, the present invention provides an electrophoresis cassette made by combining plates made of a synthetic resin which has a cavity for forming a support, wherein the surface of the plate which contacts with the support is covered with a SiOx film, and the SiOx film has a contact angle to water of 30° or less, and preferably 10° or less.
    Type: Application
    Filed: February 28, 2007
    Publication date: December 24, 2009
    Applicants: Toppan Printing Co., Ltd., National Institute of Advanve Industrial Scienc and Technology, Sharp Kabushiki Kaisha, Katayanagi Institute
    Inventors: Koji Sakairi, Chie Hayashida, Ichiji Namatame, Kenji Yokoyama, Atsunori Hiratsuka, Kisho Shiseki
  • Publication number: 20090084681
    Abstract: With the use of a chip (4) for electrophoresis and transfer including a transfer membrane (1) and an electrophoretic gel that is integrated with the transfer membrane (1), separation of a sample by electrophoresis and transfer of the sample separated to the transfer membrane (1) are carried out consecutively. This allows molecules separated on the gel by electrophoresis to be accurately transferred to the transfer membrane.
    Type: Application
    Filed: September 25, 2008
    Publication date: April 2, 2009
    Inventors: Satonari AKUTSU, Koji Sakairi, Atsunori Hiratsuka, Hideki Kinoshita, Kenji Yokoyama
  • Publication number: 20080296158
    Abstract: A device for electrophoresis applies a voltage to a medium in contact with a plurality of electric conductors so that a potential of adjacent conductors is within a certain range. This allows preventing decline in electrophoresis speed. A device for electrophoresis and transfer includes an electrode having a plurality of electrode regions being insulated one another and arranged in a specific direction. This allows providing a practical and easy-to-use device for electrophoresis and transfer. A device for transfer alters an applied voltage or applied voltage duration to a certain position to another position. This allows improving transfer efficiency.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 4, 2008
    Applicants: SHARP KABUSHIKI KAISHA, National Institute of Advanced Industrial Science and Technology, TOPPAN PRINTING CO., LTD.
    Inventors: Yuji Maruo, Yutaka Unuma, Atsunori Hiratsuka, Hideki Kinoshita, Kenji Yokoyama, Koji Sakairi, Satonari Akutsu
  • Publication number: 20080053829
    Abstract: There is provided an electrophoresis device (100) including an insulator (10) that includes: a first-separating-medium storing section (4?) for storing therein a first separating medium (4); a first opening (7) and a second opening (8) that are in communication with the first-separating-medium storing section (4?) and for defining a direction of separation on the first separating medium (4); and a light-transmissive portion for observing inside of the first-separating-medium storing section (4?) from outside, wherein the light-transmissive portion is covered with an anti-reflective layer (3). There is also provided an electrophoresis apparatus including the electrophoresis device (100). In one embodiment of the electrophoresis device (100), the anti-reflective layer 3 is not provided, and a light absorbing layer is provided opposite the light-transmissive portion with the first-separating-medium storing section in between.
    Type: Application
    Filed: September 5, 2006
    Publication date: March 6, 2008
    Inventors: Chie Hayashida, Koji Sakairi, Katsuyoshi Takahashi, Yuji Maruo, Michinobu Mieda, Yutaka Unuma