Patents by Inventor Yasuhide Takashita

Yasuhide Takashita 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: 10792699
    Abstract: A curtain coating device includes a curtain coating member, a conveyance unit, a separation member, and a base material supporting member. The curtain coating member creates a curtain-like film of coating liquid and makes the curtain-like film flow down. The conveyance unit conveys a base material to which the curtain-like film is to be applied. The separation member includes a receiving portion inclined downward from inside to outside in a width direction of the curtain-like film, and separates an end portion of the curtain-like film having flowed down by receiving the end portion with the receiving portion above the base material. The base material supporting member is disposed inside in the width direction of the curtain-like film than the receiving portion of the separation member, and supports the base material on an upper side flat portion while the base material is being conveyed.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: October 6, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Takashi Yoneoka, Yasuhide Takashita, Shuji Hanai
  • Publication number: 20180264510
    Abstract: A curtain coating device includes a curtain coating member, a conveyance unit, a separation member, and a base material supporting member. The curtain coating member creates a curtain-like film of coating liquid and makes the curtain-like film flow down. The conveyance unit conveys a base material to which the curtain-like film is to be applied. The separation member includes a receiving portion inclined downward from inside to outside in a width direction of the curtain-like film, and separates an end portion of the curtain-like film having flowed down by receiving the end portion with the receiving portion above the base material. The base material supporting member is disposed inside in the width direction of the curtain-like film than the receiving portion of the separation member, and supports the base material on an upper side flat portion while the base material is being conveyed.
    Type: Application
    Filed: March 15, 2018
    Publication date: September 20, 2018
    Inventors: Takashi YONEOKA, Yasuhide TAKASHITA, Shuji HANAI
  • Patent number: 8557732
    Abstract: A coating material capable of making a coating surface smoother, improving glossiness and being suitably used especially as a thermosensitive recording material, is provided, along with a method for producing the same. As a means for realizing the foregoing, there is provided a coating material produced by a multilayer simultaneous coating process, including: an outermost coating surface having moisture evaporation pores, wherein the moisture evaporation pores are 1.5 ?m or less in average diameter. And there is a method for producing the coating material, including: simultaneously depositing two or more types of coating solutions over a continuously running web, and drying the coating solutions, wherein a coating solution which constitutes a coating other than an outermost coating surface is formed of a dispersion solution, and dispersed particles contained in the dispersion solution are 1 ?m or less in average diameter.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: October 15, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Hideyuki Kobori, Shuji Hanai, Tomohito Shimizu, Yasuhide Takashita
  • Patent number: 8539903
    Abstract: To provide an apparatus and method of curtain coating for applying onto a running web a coating solution from a lip top in the form of curtain to form a coating thereon, wherein a fluid is blown to remove excessive deposits of the coating solution that are formed at the edges in the width direction of the coating, and the deposits blown away by the fluid are ejected.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: September 24, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Tomohito Shimizu, Shuji Hanai, Hideyuki Kobori, Yasuhide Takashita
  • Patent number: 8343588
    Abstract: To provide a slide curtain coating apparatus and method for depositing a curtain of coating liquid onto a running web, the apparatus and method capable of preventing the curtain from being condensed at its center region and preventing the resulting coating from having greater thickness at its edge regions. The coating apparatus includes: a slit for discharging the coating liquid; a slide on which the curtain flows down; and, a slide edge guide along which the curtain flows and which is provided at both edges on the slide and each having auxiliary liquid supply means at the surface facing the curtain; and auxiliary liquid supply means for discharging the auxiliary liquid from all over the surface thereof which touches the curtain at the edge guide. The coating method includes discharging the auxiliary liquid from all over the surface of the auxiliary supply means coating apparatus.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: January 1, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Hideyuki Kobori, Shuji Hanai, Tomohito Shimizu, Yasuhide Takashita
  • Publication number: 20110179998
    Abstract: To provide an apparatus and method of curtain coating for applying onto a running web a coating solution from a lip top in the form of curtain to form a coating thereon, wherein a fluid is blown to remove excessive deposits of the coating solution that are formed at the edges in the width direction of the coating, and the deposits blown away by the fluid are ejected.
    Type: Application
    Filed: April 7, 2011
    Publication date: July 28, 2011
    Applicant: RICOH COMPANY, LTD
    Inventors: Tomohito SHIMIZU, Shuji Hanai, Hideyuki Kobori, Yasuhide Takashita
  • Patent number: 7943200
    Abstract: To provide an apparatus and method of curtain coating for applying onto a running web a coating solution from a lip top in the form of curtain to form a coating thereon, wherein a fluid is blown to remove excessive deposits of the coating solution that are formed at the edges in the width direction of the coating, and the deposits blown away by the fluid are ejected.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: May 17, 2011
    Assignee: Ricoh Company, Ltd.
    Inventors: Tomohito Shimizu, Shuji Hanai, Hideyuki Kobori, Yasuhide Takashita
  • Publication number: 20110070377
    Abstract: To provide a slide curtain coating apparatus and method for depositing a curtain of coating liquid onto a running web, the apparatus and method capable of preventing the curtain from being condensed at its center region and preventing the resulting coating from having greater thickness at its edge regions. The coating apparatus includes: a slit for discharging the coating liquid; a slide on which the curtain flows down; and, a slide edge guide along which the curtain flows and which is provided at both edges on the slide and each having auxiliary liquid supply means at the surface facing the curtain; and auxiliary liquid supply means for discharging the auxiliary liquid from all over the surface thereof which touches the curtain at the edge guide. The coating method includes discharging the auxiliary liquid from all over the surface of the auxiliary supply means coating apparatus.
    Type: Application
    Filed: December 2, 2010
    Publication date: March 24, 2011
    Applicant: RICOH COMPANY, LTD.
    Inventors: Hideyuki KOBORI, Shuji Hanai, Tomohito Shimizu, Yasuhide Takashita
  • Patent number: 7870833
    Abstract: To provide a slide curtain coating apparatus and method for depositing a curtain of coating liquid onto a running web, the apparatus and method capable of preventing the curtain from being condensed at its center region and preventing the resulting coating from having greater thickness at its edge regions. The coating apparatus includes: a slit for discharging the coating liquid; a slide on which the curtain flows down; and, a slide edge guide along which the curtain flows and which is provided at both edges on the slide and each having auxiliary liquid supply means at the surface facing the curtain; and auxiliary liquid supply means for discharging the auxiliary liquid from all over the surface thereof which touches the curtain at the edge guide. The coating method includes discharging the auxiliary liquid from all over the surface of the auxiliary supply means coating apparatus.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: January 18, 2011
    Assignee: Ricoh Company, Ltd.
    Inventors: Hideyuki Kobori, Shuji Hanai, Tomohito Shimizu, Yasuhide Takashita
  • Publication number: 20080226828
    Abstract: To provide an apparatus and method of curtain coating for applying onto a running web a coating solution from a lip top in the form of curtain to form a coating thereon, wherein a fluid is blown to remove excessive deposits of the coating solution that are formed at the edges in the width direction of the coating, and the deposits blown away by the fluid are ejected.
    Type: Application
    Filed: March 11, 2008
    Publication date: September 18, 2008
    Applicant: Ricoh Company, Ltd.
    Inventors: Tomohito SHIMIZU, Shuji Hanai, Hideyuki Kobori, Yasuhide Takashita
  • Publication number: 20080206496
    Abstract: To provide a coating material capable of making a coating surface smoother, improving glossiness and being suitably used especially as a thermosensitive recording material, and a method for producing the same. As a means for realizing the foregoing, there is a coating material produced by a multilayer simultaneous coating process, including: an outermost coating surface having moisture evaporation pores, wherein the moisture evaporation pores are 1.5 ?m or less in average diameter. And there is a method for producing the coating material, including: simultaneously depositing two or more types of coating solutions over a continuously running web, and drying the coating solutions, wherein a coating solution which constitutes a coating other than an outermost coating surface is formed of a dispersion solution, and dispersed particles contained in the dispersion solution are 1 ?m or less in average diameter.
    Type: Application
    Filed: February 22, 2008
    Publication date: August 28, 2008
    Applicant: Ricoh Company, Ltd.
    Inventors: Hideyuki KOBORI, Shuji Hanai, Tomohito Shimizu, Yasuhide Takashita
  • Publication number: 20080069965
    Abstract: To provide a slide curtain coating apparatus and method for depositing a curtain of coating liquid onto a running web, the apparatus and method capable of preventing the curtain from being condensed at its center region and preventing the resulting coating from having greater thickness at its edge regions. The coating apparatus includes: a slit for discharging the coating liquid; a slide on which the curtain flows down; and, a slide edge guide along which the curtain flows and which is provided at both edges on the slide and each having auxiliary liquid supply means at the surface facing the curtain; and auxiliary liquid supply means for discharging the auxiliary liquid from all over the surface thereof which touches the curtain at the edge guide. The coating method includes discharging the auxiliary liquid from all over the surface of the auxiliary supply means coating apparatus.
    Type: Application
    Filed: September 14, 2007
    Publication date: March 20, 2008
    Inventors: Hideyuki Kobori, Shuji Hanai, Tomohito Shimizu, Yasuhide Takashita