Patents Represented by Law Firm Fitzpatrick, Cella, Harper et al.
  • Tricyclic compounds as TXA.sub.2 antagonists
    Patent number: 5118701
    Abstract: Novel tricyclic compound represented by formula (I): ##STR1## possess a TXA.sub.2 biosynthesis inhibiting activity and/or a TXA.sub.2 receptor antagonizing activity, and are expected to have preventive and therapeutic effects on ischemic diseases, cerebro-vascular diseases, etc.
    Type: Grant
    Filed: November 14, 1990
    Date of Patent: June 2, 1992
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Etsuo Oshima, Hiroyuki Obase, Akira Karasawa, Kazuhiro Kubo, Ichiro Miki, Akio Ishii
  • Automatic focus adjusting device
    Patent number: 4908645
    Abstract: An automatic focusing device for foreseeing or predicting the position of object after a predetermined time, based on plural past focusing operations on the object, utilizing a function of a higher order, and driving a lens for focusing to the predicted object position. According to the present invention there is provided a correcting circuit for correcting the coefficients of the higher-order function to reduce the influence of the measuring errors contained in the past focusing results, thus constantly enabling appropriate focusing.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: March 13, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaki Higashihara, Yasuo Suda, Ichiro Ohnuki, Akira Akashi, Terutake Kadohara
  • Electronic equipment with a printer unit
    Patent number: 4785312
    Abstract: An electronic equipment with a serial printer unit having a print head includes a device for laterally moving the print head on a print paper and a detector for detecting a home position of the print head, a carriage return operation is inhibited if the printer unit and paper feed are in a non-print mode when the electronic equipment is turned on.
    Type: Grant
    Filed: January 7, 1988
    Date of Patent: November 15, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shigeru Toyomura