Patents by Inventor Shogo Ishizaki

Shogo Ishizaki 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).

  • Mold forming material
    Patent number: 5057155
    Abstract: A mold forming material contains 1-20% by weight of spodumene. Spodumene is a lithium mineral whose theoretical composition formula is Li.sub.2 O Al.sub.2 O.sub.3 4SiO.sub.2. If casting is performed using a mold forming material containing spodumene, a casting which is satisfactory in appearance and accuracy is obtained.
    Type: Grant
    Filed: June 18, 1990
    Date of Patent: October 15, 1991
    Assignee: Okazaki Minerals & Refining Co., Ltd.
    Inventors: Susumu Nakayama, Shogo Ishizaki, Toru Iwaki