Patents by Inventor Keizo Yoshida

Keizo Yoshida 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: 7641599
    Abstract: An exercise therapy device includes pedals, a pedal rotation shaft connected to the pedals, a load motor for driving the pedal rotation shaft, and a load control device for controlling the load motor to cause rotating motion of the pedal rotation shaft to be started by the load motor.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: January 5, 2010
    Assignee: Mitsubishi Electric Engineering Company, Limited
    Inventors: Keizo Yoshida, Takuya Hayashi, Mitsunobu Yoshida
  • Publication number: 20080171635
    Abstract: To provide an exercise therapy device capable of highly motivating an exerciser to continue exercise therapy, the exercise therapy device equipped with AV equipment and a rotation shaft includes: a rotation speed detection unit; a display unit for displaying menu items of contents and the content reproduced by the AV equipment; a menu selection unit for sequentially displaying the menu items of contents when the rotation shaft is rotating and, when one of the menu items has been externally selected, confirming the one of the menu items as a menu to be displayed by the AV equipment; and a reproduction speed setting unit for setting a constant or a variable speed. The AV equipment reproduces the content at one of the predetermined constant speed or the variable speed which is set when the rotation shaft is rotating, and stops reproducing the content when the rotation shaft is stopped.
    Type: Application
    Filed: December 21, 2007
    Publication date: July 17, 2008
    Applicant: Mitsubishi Electric Engineering Company, Limited
    Inventors: Keizo Yoshida, Makoto Sakaue
  • Publication number: 20070275831
    Abstract: An exercise therapy device includes pedals, a pedal rotation shaft connected to the pedals, a load motor for driving the pedal rotation shaft, and a load control device for controlling the load motor to cause rotating motion of the pedal rotation shaft to be started by the load motor.
    Type: Application
    Filed: April 27, 2004
    Publication date: November 29, 2007
    Applicant: MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
    Inventors: Keizo Yoshida, Takuya Hayashi, Mitsunobu Yoshida
  • Patent number: 5866598
    Abstract: Compounds for treating or preventing cerebrovascular diseases are disclosed. These compounds are 5-HT antagonists. More specifically, these compounds, when combined with pharmaceutically acceptable carriers or excipients and administered to animals including humans, are useful in treating or preventing cerebrovascular dementia.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: February 2, 1999
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kiyotaka Katsuta, Hiroyuki Takamatsu, Yoshiko Ueda, Hajime Nakanishi, Keizo Yoshida
  • Patent number: 5698561
    Abstract: Compounds for treating or preventing cerebrovascular diseases are disclosed. These compounds are 5-HT antagonists. More specifically, these compounds, when combined with pharmaceutically acceptable carriers or excipients and administered to animals including humans, are useful in treating or preventing cerebrovascular dementia.
    Type: Grant
    Filed: October 24, 1996
    Date of Patent: December 16, 1997
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kiyotaka Katsuta, Hiroyuki Takamatsu, Yoshiko Ueda, Hajime Nakanishi, Keizo Yoshida
  • Patent number: 5607938
    Abstract: The present invention is drawn to methods for treating cerebral infarction by administering to a patient in need thereof an effective amount of a compound of the formulae (I, II or III): ##STR1##
    Type: Grant
    Filed: September 8, 1995
    Date of Patent: March 4, 1997
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kiyotaka Katsuta, Hiroyuki Takamatsu, Yoshiko Ueda, Hajime Nakanishi, Keizo Yoshida
  • Patent number: 4661352
    Abstract: This invention relates to a biologically active WS-7739-A substance and a biologically active WS-7739-B substance which have pharmacological activities and are useful for the treatment of asthma, thrombosis and the alike.
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: April 28, 1987
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Motoaki Nishikawa, Morita Iwami, Keizo Yoshida, Masanobu Kohsaka
  • Patent number: 4643990
    Abstract: N-acylpeptides are disclosed of the formula: ##STR1## wherein R.sup.1 is alkanoyloxy or alkenoyloxy; R.sup.2 is alkyl or alkenyl; R.sup.3 and R.sup.4 are each lower alkyl, hydroxy(lower)alkyl, ar(lower)alkyl, esterified carboxy(lower)alkyl, carboxy(lower)alkyl, protected amino(lower)alkyl or amino(lower)alkyl; R.sup.5 is hydrogen, hydroxy(lower)alkyl, protected amino(lower)alkyl, amino(lower)alkyl, carboxy(lower)alkyl or esterified carboxy(lower)alkyl; R.sup.6 is carboxy, esterified carboxy or sulfo(lower)alkyl; A.sup.1, A.sup.2 and A.sup.3 are each bond or lower alkylene; and m and n are each an integer of 0 or 1; or its pharmaceutically acceptable salt. These compounds have anti-complementary activity and fibrinolytic activity, and are useful as therapeutic agents for immune-complex diseases or autoimmune diseases such as nephritis, rheumatic diseases, systemic lupus erythematosus, etc. and thrombosis such as cerebral apoplexy, coronary insufficiency, pulmonary embolism, etc.
    Type: Grant
    Filed: December 23, 1982
    Date of Patent: February 17, 1987
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kazuyoshi Umehara, Keizo Yoshida, Hirokazu Tanaka, Itsuo Uchida, Masanobu Kohsaka, Hiroshi Imanaka
  • Patent number: 4436726
    Abstract: This invention relates to new N-acylpeptide compounds of immunological activity, said compounds being of the formula: ##EQU1## wherein R.sup.1 and R.sup.2 are each alkyl or alkenyl;R.sup.3 is hydrogen, lower alkyl, hydroxy(lower)alkyl, heterocyclic(lower)alkyl or ar(lower)alkyl, wherein the aryl moiety may have hydroxy or protected hydroxy;R.sup.4 is carboxy, esterified carboxy, carboxy(lower)alkyl or esterified carboxy(lower)alkyl;X is bond or lower alkylene;Y is lower alkylene or lower alkylidene; andn is an integer of 0 to 1;or its pharmaceutically acceptable salt.
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: March 13, 1984
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kazuyoshi Umehara, Hirokazu Tanaka, Itsuo Uchida, Masanobu Kohsaka, Hiroshi Imanaka, Keizo Yoshida
  • Patent number: 4297096
    Abstract: A new triazene compound of the formula:R--CH.dbd.N--N.dbd.N--OHwherein R is alkyl, alkenyl or aryl and its pharmaceutically acceptable salts thereof. The production and use of such compounds are also disclosed. The compounds are useful as smooth muscle relaxants and hypotensives.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: October 27, 1981
    Assignee: Fujisawa Pharmaceutical Co. Ltd.
    Inventors: Keizo Yoshida, Hirokazu Tanaka, Masanori Okamoto, Eiko Iguchi, Masanobu Kohsaka, Hatsuo Aoki, Hiroshi Imanaka
  • Patent number: 4258134
    Abstract: Hyaluronidase obtained from Streptomyces koganeiensis has the following characteristics:(a) Acts as an endo B-hexosaminidase(b) Degrades hyaluronic acid but not chondroitin sulfate A, C, or chondroitin(c) Optimum pH around 4.0(d) Stable pH range 4.0-11.3(e) Optimum temperature around 60.degree. C.(f) Stable a temperature below 60.degree. C.
    Type: Grant
    Filed: May 3, 1979
    Date of Patent: March 24, 1981
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Keizo Yoshida, Takashi Fujii, Hiroyuki Kikuchi