Patents by Inventor Kiyoyuki Watanabe

Kiyoyuki Watanabe 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).

  • Patent number: 6170257
    Abstract: A variable thrust nozzle system comprises a housing, a pair of nozzle skirts. attached to the outer surface of the housing so as to open in opposite directions, respectively, a pair of nozzle plugs disposed in the pair of nozzle skirts so as to define a nozzle throat between the outer surface of each nozzle plug and the inner surface of the corresponding nozzle skirt, a shaft supported for sliding in the housing and having opposite ends connected to the nozzle plugs, respectively, and an actuator linked to the shaft to drive the shaft for sliding motions to vary the sectional areas of the nozzle throats.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: January 9, 2001
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Ken Harada, Yoshihiko Nishida, Kiyoyuki Watanabe
  • Patent number: 4266370
    Abstract: A resin composition in the form of a covering film or sheet comprising (A) 100 parts by weight of a thermoplastic olefinic resin and (B) about 1 to about 20 parts by weight of an acetal resin; and a method for maintaining an agricultural locus at temperatures suitable for the growth of plants, using above covering film or sheet.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: May 12, 1981
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshiaki Kodera, Kiyoyuki Watanabe, Takayuki Kusu
  • Patent number: 4250661
    Abstract: A covering multilayer film or sheet structure for agricultural application, which consists essentially of:(1) a film or sheet of a resin composition comprising (A) 100 parts by weight of a thermoplastic resin selected from the group consisting of olefinic resins and vinyl chloride resins and (B) about 1 to about 40 parts by weight of an acetal resin, and(2) a layer of the thermoplastic resin (A) laminated to at least one surface of the film or sheet (1); and a method for maintaining an agricultural locus at temperatures suitable for the growth of plants, using aforesaid covering multilayer film or sheet.
    Type: Grant
    Filed: August 23, 1979
    Date of Patent: February 17, 1981
    Assignee: Sekisui Kagaku Kogyo K.K.
    Inventors: Yoshiaki Kodera, Kiyoyuki Watanabe, Tetsuo Kadoya, Tadashi Taguchi
  • Patent number: 4220736
    Abstract: A resin composition in the form of a covering film or sheet comprising (A) 100 parts by weight of a thermoplastic olefinic resin and (B) about 1 to about 20 parts by weight of an acetal resin; and a method for maintaining an agricultural locus at temperatures suitable for the growth of plants, using above covering film or sheet.
    Type: Grant
    Filed: June 1, 1978
    Date of Patent: September 2, 1980
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshiaki Kodera, Kiyoyuki Watanabe, Takayuki Kusu
  • Patent number: 4214034
    Abstract: A covering multilayer film or sheet structure for agricultural application, which consists essentially of:(1) a film or sheet of a resin composition comprising (A) 100 parts by weight of a thermoplastic resin selected from the group consisting of olefinic resins and vinyl chloride resins and (B) about 1 to about 40 parts by weight of an acetal resin,and(2) a layer of the thermoplastic resin (A) laminated to at least one surface of the film or sheet (1); and a method for maintaining an agricultural locus at temperatures suitable for the growth of plants, using aforesaid covering multilayer film or sheet.
    Type: Grant
    Filed: June 1, 1978
    Date of Patent: July 22, 1980
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshiaki Kodera, Kiyoyuki Watanabe, Tetsuo Kadoya, Tadashi Taguchi