Patents by Inventor Masakazu Furushima

Masakazu Furushima 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).

  • Adenine derivatives and their use as agents for increasing yield of crops
    Patent number: 5244487
    Abstract: Disclosed are novel adenine derivatives represented by the formula I and agriculturally acceptable acid addition salts thereof represented by the formula: ##STR1## wherein n is an integer of 2-4. Compositions for increasing yield of crops such as leguminous crops and gramineous crops which contain the above adenine derivatives or salts thereof as an active ingredient and methods for increasing yield of crops using these compositions are also disclosed.
    Type: Grant
    Filed: February 11, 1991
    Date of Patent: September 14, 1993
    Assignee: Mitsubishi Gas Chemical Co., Inc.
    Inventors: Takashi Oritani, Mitsunori Oda, Taketo Maruyama, Takashi Suzuki, Akinori Tanaka, Toshio Kajita, Shigeo Yoshinaka, Masakazu Furushima
  • Adenine derivatives and their use as a plant growth regulator
    Patent number: 5211738
    Abstract: A denine derivatives represented by the following formula: ##STR1## (wherein n is 1 or 2 and R and R' represent hydrogen or a methyl, ethyl, allyl, or propargyl group) and agriculturally acceptable acid addition salts thereof, which have cytokinin activity and besides, excellent rooting action, is applied to as plant growth regulators.
    Type: Grant
    Filed: April 2, 1992
    Date of Patent: May 18, 1993
    Assignee: Mitsubishi Gas Chemical Co., Inc.
    Inventors: Yoshinori Sasaki, Takashi Oritani, Akinori Tanaka, Taketo Maruyama, Mitsunori Oda, Takashi Suzuki, Yoshiaki Suzuki, Masakazu Furushima
  • Plant growth promotion
    Patent number: 5032170
    Abstract: This invention relates to use of compounds of the formula ##STR1## wherein R represents a C.sub.2-5 alkyl, C.sub.2-5 alkenyl or C.sub.2-5 alkynyl group, and X represents a hydrogen atom, a C.sub.2-8 alkylcarbonyl, carbamoyl, benzoyl, chloromethylcarbonyl or methoxycarbonyl group, or --PO.sub.3 H.sub.2, and Y represents a chlorine or bromine atom in promoting the growth of plants.
    Type: Grant
    Filed: November 5, 1990
    Date of Patent: July 16, 1991
    Assignee: Mitsubishi Gas Chemical Company, Ltd.
    Inventors: Akinori Suzuki, Be H. Suong, Akinori Tanaka, Masakazu Furushima, Kazuko Tamano, Yuko Ebe, Noriko Tamano, Akiko Tamano
  • Plant growth promotion
    Patent number: 4929267
    Abstract: Use of agriculturally acceptable salts of compounds of the following formula for promoting the growth of plants. ##STR1## wherein Hal represents a chlorine, bromine or iodine atom, X.sub.1 represents a hydrogen or chlorine atom, or a methyl, trifluoromethyl, nitro, methoxy or t-butyl group, and X.sub.2 represents a hydrogen atom, or both X.sub.1 and X.sub.2 represent a chlorine atom or a methyl group; and Y represents a hydrogen atom, or a C.sub.2-6 alkylcarbonyl, benzoyl, N-phenylcarbamoyl, N-3,4-dichlorophenylcarbamoyl, chloropropylcarbonyl, methoxycarbonyl, carbamoyl or methacryloyl group.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: May 29, 1990
    Assignee: Mitsubishi Gas Chemical Company
    Inventors: Akinori Suzuki, Suong B. Hyeon, Toshio Kajita, Masakazu Furushima, Shigeo Yoshinaka, Takashi Suzuki, Mitsunori Oda, Akinori Tanaka
  • Method and composition for increasing harvests of crops
    Patent number: 4877447
    Abstract: A method of increasing the harvest of a crop which comprises applying an effective amount of taurine to the crop or its seeds, and a composition therefor.
    Type: Grant
    Filed: July 8, 1987
    Date of Patent: October 31, 1989
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Akinori Suzuki, Toshio Kajita, Masakazu Furushima
  • Plant growth regulating composition
    Patent number: 4799950
    Abstract: A plant growth regulating composition comprising as an active ingredient a combination of(a) at least one gibberellin-type plant hormone, and(b) at least one compound selected from compounds of the general formula ##STR1## wherein R represents a C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl, C.sub.2 -C.sub.5 alkynyl, C.sub.1 -C.sub.5 haloalkyl or benzyl group,and agriculturally acceptable salts thereof.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: January 24, 1989
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Akinori Suzuki, Suong Be Hyeon, Toshio Kajita, Masakazu Furushima, Akinori Tanaka
  • Method for cultivation of tobacco plants
    Patent number: 4150966
    Abstract: Tobacco yield is increased by spraying the plants after topping with an effective amount of an aqueous solution of the choline salt of maleic hydrazide.
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: April 24, 1979
    Assignees: Mitsubishi Gas Chemical Company, Inc., Japan Hydrazine Co., Inc.
    Inventors: Hideshi Tsuchiya, Tetsuo Takamatsu, Masakazu Furushima, Shiro Hojo