Patents by Inventor Satoshi Imazato

Satoshi Imazato 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).

  • Publication number: 20230202909
    Abstract: A glass powder composite includes a first glass powder, and a second glass powder having a different solubility from that of the first glass powder depending on pH, wherein both the first glass powder and the second glass powder have ion sustained-release properties.
    Type: Application
    Filed: December 19, 2022
    Publication date: June 29, 2023
    Inventors: Satoshi IMAZATO, Haruaki KITAGAWA, Ayaka AKIYAMA, Tomoki KONO, Katsuhito KATO
  • Patent number: 6790877
    Abstract: An antibacterial bonding compositions for dental use, which comprises (A) an antibacterial primer that comprises an antibacterial polymerizable monomer having an ethylenic unsaturated group and at least one or more cationic groups selected from the group consisting of ammonium bases, pyridinium bases and phosphonium bases, and a volatile solvent, and (B) an adhesive composition comprising an acid group having polymerizable monomer, a polymerizable monomer, and a polymerization initiator; and an adhesive compositions for dental use, which comprises (P) an adhesive primer comprising an acid group having polymerizable monomer, a hydrophilic polymerizable monomer, and water, and (Q) a bonding agent comprising a polymerizable monomer, and an acylphosphine oxide compound and an &agr;-diketone compound both serving as a polymerization initiator.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: September 14, 2004
    Assignee: Kuraray Co., Ltd.
    Inventors: Kazumitsu Nakatsuka, Koichi Okada, Satoshi Imazato, Shigeyuki Ebisu, Yasuhiko Tsuchitani
  • Publication number: 20020035169
    Abstract: An antibacterial bonding compositions for dental use, which comprises (A) an antibacterial primer that comprises an antibacterial polymerizable monomer having an ethylenic unsaturated group and at least one or more cationic groups selected from the group consisting of ammonium bases, pyridinium bases and phosphonium bases, and a volatile solvent, and(B) an adhesive composition comprising an acid group having polymerizable monomer, a polymerizable monomer, and a polymerization initiator; and an adhesive compositions for dental use, which comprises (P) an adhesive primer comprising an acid group having polymerizable monomer, a hydrophilic polymerizable monomer, and water, and (Q) a bonding agent comprising a polymerizable monomer, and an acylphosphine oxide compound and an &agr;-diketone compound both serving as a polymerization initiator.
    Type: Application
    Filed: September 20, 2001
    Publication date: March 21, 2002
    Applicant: KURARAY CO., LTD
    Inventors: Kazumitsu Nakatsuka, Koichi Okada, Satoshi Imazato, Shigeyuki Ebisu, Yasuhiko Tsuchitani
  • Patent number: 6355704
    Abstract: An antibacterial bonding compositions for dental use, which comprises (A) an antibacterial primer that comprises an antibacterial polymerizable monomer having an ethylenic unsaturated group and at least one or more cationic groups selected from the group consisting of ammonium bases, pyridinium bases and phosphonium bases, and a volatile solvent, and(B) an adhesive composition comprising an acid group having polymerizable monomer, a polymerizable monomer, and a polymerization initiator; and an adhesive compositions for dental use, which comprises (P) an adhesive primer comprising an acid group having polymerizable monomer, a hydrophilic polymerizable monomer, and water, and (Q) a bonding agent comprising a polymerizable monomer, and an acylphosphine oxide compound and an &agr;-diketone compound both serving as a polymerization initiator.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: March 12, 2002
    Assignee: Kuraray Co., Ltd.
    Inventors: Kazumitsu Nakatsuka, Koichi Okada, Satoshi Imazato, Shigeyuki Ebisu, Yasuhiko Tsuchitani
  • Patent number: 5733949
    Abstract: An antimicrobial adhesive composition for dental use comprising the following polymerizable monomers: an antimicrobial monomer, an monomer containing at least one acidic group, and a monomer containing at least one alcoholic hydroxy group, in combination with water and a polymerization catalyst.
    Type: Grant
    Filed: October 6, 1995
    Date of Patent: March 31, 1998
    Assignee: Kuraray Co., Ltd.
    Inventors: Satoshi Imazato, Mitsuo Torii, Yasuhiko Tsuchitani, Hideaki Yamada, Nobuyuki Utagawa
  • Patent number: 5494987
    Abstract: An antimicrobial polymerizable composition comprising an ethylenically unsaturated monomer, a specific monomer having antimicrobial activity and a polymerization initiator. The composition gives, upon polymerization, a polymer having permanent antimicrobial property, which is very useful for medical articles, in particular dental materials.
    Type: Grant
    Filed: January 11, 1995
    Date of Patent: February 27, 1996
    Assignee: Kuraray Co., Ltd.
    Inventors: Satoshi Imazato, Mitsuo Torii, Yasuhiko Tsuchitani, Koji Nishida, Junichi Yamauchi
  • Patent number: 5408022
    Abstract: An antimicrobial polymerizable composition comprising an ethylenically unsaturated monomer, a specific monomer having antimicrobial activity and a polymerization initiator. The composition gives, upon polymerization, a polymer having permanent antimicrobial activity, which is very useful for medical articles, in particular dental materials.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: April 18, 1995
    Assignee: Kuraray Co., Ltd.
    Inventors: Satoshi Imazato, Mitsuo Torii, Yasuhiko Tsuchitani, Koji Nishida, Junichi Yamauchi