Patents by Inventor Tetsuo Ochiai

Tetsuo Ochiai 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).

  • Material and apparatus for removing dental caries
    Patent number: 6132212
    Abstract: There is disclosed a dental caries-removing material consisting of grinding granules ejected against dental caries, or pathological issues, to remove them. The granules are obtained by pulverizing untoxic stones of seeds and have Vickers hardness values (JIS Z 1051)(Hv) of 10 to 60 and granular diameters of 40 to 160 .mu.m. This material is prepared by pulverizing and grading stones of seeds (such as peach, plum, apricot, or Japanese apricot).
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: October 17, 2000
    Assignee: Sintobrator, Ltd.
    Inventors: Shoji Horiguchi, Masatomo Watanabe, Tetsuo Ochiai
  • Rubber composition for tire tread
    Patent number: 5484836
    Abstract: A rubber composition for a tire tread comprising (i) 100 parts by weight of a diene based rubber containing at least one styrene-butadiene copolymer rubber having a glass transition temperature of -60.degree. C. to -20.degree. C. and (ii) 20 to 75 parts by weight of carbon black having CTAB of 85 to 110 m.sup.2 /g, C-DBP of more than 105 ml/100 g, N.sub.2 SA/IA of more than 1.10, Tint of more than 105, .DELTA.Dst of 60 to 80 nm, and CTAB of less than 230-5.8 (dn) wherein dn is the average particle size (nm), measured by an electron microscope.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: January 16, 1996
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Yasushi Kikuchi, Tetsuo Ochiai, Takashi Shirokawa, Hajime Fujii