Patents by Inventor Takeomi Yamamoto

Takeomi Yamamoto 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).

  • Hydrangea serrata plant named 'OKAN'
    Publication number: 20040025213
    Abstract: A new plant variety of Hydrangea serrata characterized by its Golden-Yellow to Chartreuse foliage coloration which persists throughout the growing season.
    Type: Application
    Filed: August 5, 2002
    Publication date: February 5, 2004
    Inventor: Takeomi Yamamoto
  • Hydraulic valve lifter
    Patent number: 5005541
    Abstract: A hydraulic valve lifter for use in an internal combustion engine, comprises an inverted cup-like body, an inverted cup-like plunger housed within the body, a high pressure chamber defined between the body and the plunger, and an oil passage through which an oil is fed to the high pressure chamber. At least one oil discharge hole is defined in the plunger and extends from the oil passage to open to a valve stem so as to lubricate between the valve stem and a valve guide.
    Type: Grant
    Filed: July 24, 1990
    Date of Patent: April 9, 1991
    Assignee: Otai Tekko Kabushiki Kaisha and Koyo Seiko Co., Ltd.
    Inventors: Takeomi Yamamoto, Nariaki Endo, Yasushi Kadota, Tadasu Yamakawa
  • Hydrangea macrophylla named ‘Yellowleaf’
    Patent number: PP12701
    Abstract: A new plant variety of Hydrangea macrophylla characterized by its foliage color, which is bright golden yellow to chartreuse.
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: June 11, 2002
    Assignee: Hines Horticulture, INC
    Inventor: Takeomi Yamamoto
  • Hydrangea serrata plant named ‘Okan’
    Patent number: PP14970
    Abstract: A new plant variety of Hydrangea serrata characterized by its golden yellow to chartreuse foliage coloration which persists throughout the growing season.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: June 29, 2004
    Assignee: Hines Nurseries, Inc.
    Inventor: Takeomi Yamamoto