Patents by Inventor Isamu Yamazaki

Isamu Yamazaki 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: 3956212
    Abstract: An ethylene resin composition comprising an ethylene polymer, or a copolymer of ethylene with one or more components copolymerizable with ethylene, and alumina trihydrate having a gibbsite crystal structure, and various moldings produced from the ethylene resin composition having excellent physical and chemical properties are disclosed.
    Type: Grant
    Filed: March 21, 1973
    Date of Patent: May 11, 1976
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Fumio Sakaguchi, Tadao Suzuji, Isamu Yamazaki
  • Patent number: 3936403
    Abstract: A synthetic resin composition which comprises 20 to 50 parts by weight of olefinic resins, 10 to 40 parts by weight of vinyl chloride resins, and 70 to 10 parts by weight of alumina trihydrate having a gibbsite crystal structure whose average particle size is 30 microns at most.
    Type: Grant
    Filed: May 1, 1974
    Date of Patent: February 3, 1976
    Assignees: Showa Denko Kabushiki Kaisha, Toyo Cloth Co., Ltd.
    Inventors: Fumio Sakaguchi, Kenji Takemura, Tadao Suzuki, Isamu Yamazaki, Yoshifumi Nishibayashi, Kazunobu Shiozawa, Toshimitsu Sasaki