Patents by Inventor Teruo Makita

Teruo Makita 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: 4454258
    Abstract: Resin-forming material suitable for medical or dental use comprising tetramethylolmethane tri- or tetracrylate or tetramethylolmethane tri- or tetramethacrylate; and implant material suitable for medical or dental use comprising nitride of at least one member of metal selected from the group consisting of Group IVB, Group VB and Group VIB in the periodic table of elements and boron, aluminum and silicon and having Mohs' scale of hardness of at least 7.
    Type: Grant
    Filed: January 20, 1982
    Date of Patent: June 12, 1984
    Assignee: Kanebo Ltd.
    Inventors: Haruyuki Kawahara, Teruo Makita, Shozo Kudo, Takashi Funakoshi
  • Patent number: 4440878
    Abstract: Resin-forming material suitable for medical or dental use comprising tetramethylolmethane tri- or tetracrylate or tetramethylolmethane tri- or tetramethacrylate; and implant material suitable for medical or dental use comprising nitride of at least one member of metal selected from the group consisting of Group IVB, Group VB and Group VIB in the periodic table of elements and boron, aluminum and silicon and having Mohs' scale of hardness of at least 7.
    Type: Grant
    Filed: January 20, 1982
    Date of Patent: April 3, 1984
    Assignee: Kanebo, Ltd.
    Inventors: Haruyuki Kawahara, Teruo Makita, Shozo Kudo, Takashi Funakoshi
  • Patent number: 4431421
    Abstract: Resin-forming dental restorative material comprising a blend of dipentaerythritol penta- and hexa-acrylate or -methacrylate optionally, tetramethylolmethane tri- or tetra-acrylate or tetramethylolmethane tri- or tetra-methacrylate and a filler having a Mohrs' hardness of at least 5.
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: February 14, 1984
    Assignee: Kanebo, Ltd.
    Inventors: Haruyuki Kawahara, Teruo Makita, Shozo Kudo, Takashi Funakoshi
  • Patent number: 4327014
    Abstract: Resin-forming material suitable for medical or dental use comprising tetramethylolmethane tri- or tetracrylate or tetramethylolmethane tri- or tetramethacrylate; and implant material suitable for medical or dental use comprising nitride of at least one member of metal selected from the group consisting of Group IVB, Group VB and Group VIB in the periodic table of elements and boron, aluminum and silicon and having Mohs' scale of hardness of at least 7.
    Type: Grant
    Filed: April 9, 1980
    Date of Patent: April 27, 1982
    Assignee: Kanebo Ltd.
    Inventors: Haruyuki Kawahara, Teruo Makita, Shozo Kudo, Takashi Funakoshi
  • Patent number: 4308014
    Abstract: Bonding compositions for the hard tissue of the human body comprising, as the main component, (A) at least one member of polymerizable acrylate esters, methacrylate esters, acrylamide derivatives or methacrylamide derivatives possessing at least one group selected from the group consisting of a carboxyl group, epoxy group, amino group and hydroxyl group, and (B) at least one member of alkoxy-containing titanium compounds or alkoxy-containing silicon compounds.
    Type: Grant
    Filed: April 9, 1980
    Date of Patent: December 29, 1981
    Assignee: Kanebo Ltd.
    Inventors: Haruyuki Kawahara, Takashi Funakoshi, Shozo Kudo, Teruo Makita