Patents by Inventor Kazuhiro Hamatani

Kazuhiro Hamatani 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).

  • Method of preparing beer using lipid-removed malt
    Patent number: 5460836
    Abstract: The present invention is directed to a malt for brewing beer prepared by removing lipids by using subcritical or supercritical carbon dioxide, a beer using the said malt, and a method of preparing the said beer. In the beer obtained by using the malt prepared by the method of the present invention, wort clarity is good, filtration becomes rapid, and filtration efficiency is improved. Also, the obtained beer has good foam head retention, good foam lacing, a refreshingly clean taste and good flavor stability.
    Type: Grant
    Filed: August 4, 1993
    Date of Patent: October 24, 1995
    Assignee: Suntory Limited
    Inventors: Miyoko Ono, Kazuya Arakawa, Susumu Furukubo, Kazuhiro Hamatani
  • Method for production of hop extracts and hop extracts obtained thereby
    Patent number: 5264236
    Abstract: The present invention is directed to a method for producing hop extracts containing small amounts of resin deterioration products, comprising extracting the hop extracts from dry hops using recycled carbon dioxide wherein said carbon dioxide is in a dry subcritical or supercritical condition, and to hop extracts obtained thereby. The hop extracts thus obtained are very useful in the production of high quality beer having a sharp and refreshing taste.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: November 23, 1993
    Assignees: Sumitomo Seika Chemicals Co., Suntory Ltd.
    Inventors: Johji Ogasahara, Miyoko Ono, Kazuhiro Hamatani, Masakazu Takahashi
  • Method of preparing an edible composition and product resulting therefrom
    Patent number: 4981699
    Abstract: The edible composition having improved water solubility and dispersibility of a useful hydrophobic edible material obtained from an animal or plant natural raw material, improved absorption of the hydrophobic edible material into the body, as well as improved taste and palatability, which comprises the hydrophobic edible material and a water soluble ingredient selected from the group consisting of water soluble low molecular weight peptides, water soluble concentrated extracts and mixtures thereof.
    Type: Grant
    Filed: March 23, 1990
    Date of Patent: January 1, 1991
    Assignee: Seitetsu Kagaku Co., Ltd.
    Inventors: Shoshichiro Inada, Reikichi Yanai, Johji Ogasawara, Yoshikazu Tsubakimoto, Kazuhiro Hamatani, Masakazu Takahashi
  • Salt of 5-acetyl-2-alkylbenzenesulfonic acid
    Patent number: 4943655
    Abstract: Process for preparing 2-alkyl-5-haloacetylbenzenesulfonamide represented by the general formula (1), ##STR1## (wherein R.sup.1 is an alkyl group having 1 to 5 carbon atoms; and X is a chlorine atom, bromine atom or iodine atom), characterized by halogenating a 5-acetyl-2-alkylbenzenesulfonamide represented by the general formula (2), ##STR2## (wherein R.sup.1 is the same as defined above) in a lower alcohol represented by the general formula (3),R.sup.4 --OH(wherein R.sup.4 is an alkyl group having 1 to 5 carbon atoms).
    Type: Grant
    Filed: March 24, 1989
    Date of Patent: July 24, 1990
    Assignee: Seitetsu Kagaku Co., Ltd.
    Inventors: Kunioki Kato, Masao Kawamura, Hiroshi Goda, Kiyoshi Sawada, Kazuhiro Hamatani
  • Process for preparing N,N-dialkylaniline salt of 5-acetyl-2-alkylbenzene sulfonic acid
    Patent number: 4853158
    Abstract: Process for preparing 2-alkyl-5-haloacetylbenzenesulfonamide represented by the general formula (1), ##STR1## (wherein R.sup.1 is an alkyl group having 1 to 5 carbon atoms; and X is a chlorine atom, bromine atom or iodine atom), characterized by halogenating a 5-acetyl-2-alkylbenzenesulfonamide represented by the general formula (2), ##STR2## (wherein R.sup.1 is the same as defined above) in a lower alcohol represented by the general formula (3),R.sup.4 --OH(wherein R.sup.4 is an alkyl group having 1 to 5 carbon atoms).
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: August 1, 1989
    Assignee: Seitetsu Kagaku Co., Ltd.
    Inventors: Kunioki Kato, Masao Kawamura, Hiroshi Goda, Kiyoshi Sawada, Kazuhiro Hamatani