Patents by Inventor Youichi Ohta

Youichi Ohta 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).

  • Weld nut
    Patent number: 6755601
    Abstract: An object of the present invention is to provide an excellent weld nut wherein the weld nut and an iron plate are closely fixed together by inserting extra metal materials upon welding into a groove around a weld projection. The present invention relates to weld nuts each having such a groove in the vicinity of such a weld projection.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: June 29, 2004
    Inventor: Youichi Ohta
  • WELD NUT
    Publication number: 20030175092
    Abstract: An object of the present invention is to provide an excellent weld nut wherein the weld nut and an iron plate are closely fixed together by inserting extra metal materials upon welding into a groove around a weld projection. The present invention relates to weld nuts each having such a groove in the vicinity of such a weld projection.
    Type: Application
    Filed: March 18, 2002
    Publication date: September 18, 2003
    Inventor: Youichi Ohta
  • Composition for reducing natural hair fall-out
    Patent number: 4713397
    Abstract: A composition for reducing hair fall-out comprising a ubiquinone (coenzyme Q.sub.n) represented by the general formula: ##STR1## wherein n represents an integer of from 7 to 10. In addition to such a ubiquinone, the composition may contain a skin peripheral vasodilator drug, such as carpronium chloride, vitamin E nicotinate and benzyl nicotinate.
    Type: Grant
    Filed: August 26, 1985
    Date of Patent: December 15, 1987
    Assignee: Eisai Co., Ltd.
    Inventors: Shinichi Hirama, Toshio Nishiyama, Youichi Ohta, Makoto Uzuka, Kenichi Tomita, Keisuke Nakajima, Kazumaro Furuse