Patents by Inventor Junichi Ohtsuki

Junichi Ohtsuki 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: 7815434
    Abstract: The invention provides a dental coating kit with high adhesiveness to teeth that contains a primer composition including an acidic group-containing polymeric monomer (a), water (b) and a water-soluble solvent (c) and a surface smoothing composition including a polyfunctional polymeric monomer (f), a volatile solvent (g) and a photopolymerization initiator (h); and a dental coating kit with high adhesiveness to teeth and minimally suffering from chipping and peeling off that contains a primer composition including an acidic group-containing polymeric monomer (a), water (b) and a water-soluble solvent (c), a coating composition including a polymeric monomer (d) and a photopolymerization initiator (e), and a surface smoothing composition including a polyfunctional polymeric monomer (f), a volatile solvent (g) and a photopolymerization initiator (h). Either dental coating kit is particularly useful as a kit for preventing stain and color return of a bleached tooth.
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: October 19, 2010
    Assignee: Kuraray Medical Inc.
    Inventors: Mitsuru Takei, Junichi Ohtsuki
  • Publication number: 20060078510
    Abstract: The invention provides a dental coating kit with high adhesiveness to teeth that contains a primer composition including an acidic group-containing polymeric monomer (a), water (b) and a water-soluble solvent (c) and a surface smoothing composition including a polyfunctional polymeric monomer (f), a volatile solvent (g) and a photopolymerization initiator (h); and a dental coating kit with high adhesiveness to teeth and minimally suffering from chipping and peeling off that contains a primer composition including an acidic group-containing polymeric monomer (a), water (b) and a water-soluble solvent (c), a coating composition including a polymeric monomer (d) and a photopolymerization initiator (e), and a surface smoothing composition including a polyfunctional polymeric monomer (f), a volatile solvent (g) and a photopolymerization initiator (h). Either dental coating kit is particularly useful as a kit for preventing stain and color return of a bleached tooth.
    Type: Application
    Filed: October 6, 2003
    Publication date: April 13, 2006
    Applicant: Kuraray Medical Inc.
    Inventors: Mitsuru Takei, Junichi Ohtsuki
  • Patent number: 6887920
    Abstract: The present invention provides a filler which has high water resistance and high acid resistance, and high releasing abilities of ions such as fluorine ions, and can maintain high aesthetic appreciation for a long period of time, and a dental composite material comprising the filler, excellent in water resistance, acid resistance, ion releasability and aesthetic appreciation.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: May 3, 2005
    Assignee: Kuraray Co., Ltd.
    Inventors: Junichi Ohtsuki, Hirotaka Kita, Koichi Okada, Yasujiro Ohara
  • Publication number: 20030060533
    Abstract: The present invention provides a filler which has high water resistance and high acid resistance, and high releasing abilities of ions such as fluorine ions, and can maintain high aesthetic appreciation for a long period of time, and a dental composite material comprising the filler, excellent in water resistance, acid resistance, ion releasability and aesthetic appreciation.
    Type: Application
    Filed: July 2, 2002
    Publication date: March 27, 2003
    Inventors: Junichi Ohtsuki, Hirotaka Kita, Koichi Okada, Yasujiro Ohara
  • Patent number: 6458868
    Abstract: An organic phosphate compound having at least one radically polymerizable double bond, at least one phosphate residue having one or two hydroxyl groups, and at least one hydrocarbon group having 4 or more carbon atoms in a molecule, wherein a 10% by weight methanol solution of the organic phosphate compound has an electric conductivity at 25° C. of 0.5 mS/cm or less, and/or the organic phosphate compound has a light transmittance at 455 nm of 90% or more; a process for preparing the organic phosphate compound; a dental polymerizable composition comprising (a) the organic phosphate compound and (b) a polymerizable monomer capable of copolymerizing with the organic phosphate compound.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: October 1, 2002
    Assignee: Kuraray Co., Ltd.
    Inventors: Koichi Okada, Junichi Ohtsuki, Koji Takahashi, Yasuji Minami, Eiichi Terakawa, Miho Harada
  • Patent number: 5296934
    Abstract: A facsimile terminal concentration equipment equipped with a downline loading section (31) for transferring various commands, load modules, files and others from a facsimile mail equipment (2) and an upline loading section (32) for transferring various commands, load modules, files and others to the facsimile mail equipment (2). Remote operation control from the facsimile mail equipment (2) to the facsimile terminal concentration equipment (30) is effected from the facsimile mail equipment (2) by using the downline loading section (31) and the upline loading section (32). The facsimile main equipment (2) uses the downline loading section (31) so as to transfer the various commands, load modules, files and others to the facsimile terminal concentration equipment (3). Further, the upline loading section acts as transferring the various commands, load modules, files and others from the facsimile terminal concentration equipment (30) to the facsimile mail equipment (2).
    Type: Grant
    Filed: October 29, 1991
    Date of Patent: March 22, 1994
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Junichi Ohtsuki