Patents by Inventor Kohzo Yamamoto

Kohzo 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).

  • Active amino acid Ca, beverages containing same, and process for their production
    Patent number: 5296246
    Abstract: Active amino acid Ca, i.e., calcium oxide and/or hydroxide product coexistent with a slight amount of one or more amino acids and/or hydrolyzable amino acid derivatives is disclosed, which can be effectively absorbed into the human body and can deposit onto the bone with a high efficiency. Beverages containing same are also disclosed. The active amino acid Ca product is produced by calcining a calcium-containing material at 800.degree.-980.degree. C. in a calcining chamber free from oxygen, and subjecting the calcined product to a forced cooling step.
    Type: Grant
    Filed: August 7, 1992
    Date of Patent: March 22, 1994
    Assignee: Fujix Corporation
    Inventors: Ranko Inoue, Kohzo Yamamoto
  • Hollow polyvinyl alcohol fibers
    Patent number: 4071454
    Abstract: A dialysis membrane comprising a plurality of polyvinyl alcohol hollow fibers of substantially homogeneous structure having a degree of orientation (.pi.) in the range of 60% .ltoreq. .pi. .ltoreq. 98% and a degree of swelling (.zeta.) in the range of 1.05 .ltoreq. .pi. .ltoreq. 1.80 times.
    Type: Grant
    Filed: September 10, 1976
    Date of Patent: January 31, 1978
    Assignee: Kuraray Co., Ltd.
    Inventors: Kohzo Yamamoto, Syuji Kawai, Akio Ohmori