Patents by Inventor Kazuhiro Toba

Kazuhiro Toba 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).

  • Heat conductive silicone composition and semiconductor device
    Patent number: 6555905
    Abstract: A heat conductive silicone composition comprising (A) an alkenyl group-bearing organopolysiloxane, (B) an organohydrogenpolysiloxane having at least two Si—H groups, (C) a filler consisting of aluminum powder and zinc oxide powder in a weight ratio of from 1/1 to 10/1, (D) an organosilane having a long-chain alkyl groups, (E) platinum or a platinum compound, and (F) a regulator has a high thermal conductivity and maintains flexibility even when exposed to heat for an extended period of time.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: April 29, 2003
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Kunihiro Yamada, Kazuhiro Toba, Takayuki Takahashi, Kenichi Isobe
  • Heat conductive silicone composition and semiconductor device
    Publication number: 20020014692
    Abstract: A heat conductive silicone composition comprising (A) an alkenyl group-bearing organopolysiloxane, (B) an organohydrogenpolysiloxane having at least two Si—H groups, (C) a filler consisting of aluminum powder and zinc oxide powder in a weight ratio of from 1/1 to 10/1, (D) an organosilane having a long-chain alkyl groups, (E) platinum or a platinum compound, and (F) a regulator has a high thermal conductivity and maintains flexibility even when exposed to heat for an extended period of time.
    Type: Application
    Filed: June 25, 2001
    Publication date: February 7, 2002
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Kunihiro Yamada, Kazuhiro Toba, Takayuki Takahashi, Kenichi Isobe