Patents by Inventor Masafumi Kudou

Masafumi Kudou 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).

  • Azole derivative and pharmaceutical composition thereof
    Patent number: 5807880
    Abstract: An azole derivative represented by the following general formula (I) ##STR1## (symbols in the formula have the following meanings; R.sup.1 and R.sup.2 : the same or different from each other and each represents a hydrogen atom, a lower alkyl group or a phenyl group which may be substituted with a halogen atom,A, B and D: the same or different from one another and each represents a group represented by the formula ##STR2## or a nitrogen atom,X and Y: the same or different from each other and each represents a single bond, a methylene group, an oxygen atom,a group represented by a formula S(O).sub.n, or a group represented by the formula ##STR3## R.sup.3 and R.sup.4 : the same or different from each other and each represents a hydrogen atom or a lower alkyl group, andn: 0, 1 or 2),a salt thereof, a hydrate thereof or a solvate thereof.
    Type: Grant
    Filed: March 26, 1996
    Date of Patent: September 15, 1998
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Minoru Okada, Toru Yoden, Eiji Kawaminami, Yoshiaki Shimada, Tsukasa Ishihara, Masafumi Kudou
  • Triazolylated teritiary amine compound or salt thereof
    Patent number: 5674886
    Abstract: A triazolylated tertiary amine compound represented by general formula (I) or a salt thereof, having an aromatase inhibitory activity and being useful for preventing and treating breast cancer, mastopathy, endometriosis, prostatomergaly, etc., wherein A represents a single bond, lower alkylene or carbonyl; B represents lower alkyl, aryl, a 5- or 6-membered heterocyclic group, or a bicyclic fused heterocyclic group; D represents aryl, a 5- or 6-membered heterocyclic group, or a bicyclic fused heterocyclic group; and E represents 4H-1,2,4-triazolyl, 1H-1,2,4-triazolyl or 1H-1,2,3-triazolyl.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: October 7, 1997
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Minoru Okada, Eiji Kawaminami, Toru Yoden, Masafumi Kudou, Yasuo Isomura
  • Substituted tertiary amino compound or salt thereof
    Patent number: 5538976
    Abstract: A substituted tertiary amino compound represented by general formula (I) or a pharmaceutically acceptable salt thereof. They have an aromatase inhibiting activity and are useful as a prophylactic and/or therapeutic agent for breast cancer, mastopathy, endometriosis, prostatic-hypertrophy, and so forth.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: July 23, 1996
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Minoru Okada, Toru Yoden, Eiji Kawaminami, Yoshiaki Shimada, Masafumi Kudou, Yasuo Isomura
  • Hydroxamic acid derivative
    Patent number: 5473100
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: December 5, 1995
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Yasuo Isomura, Seijiro Akamatsu, Toru Yoden, Masafumi Kudou, Akira Suga
  • Hydroxamic acid derivative
    Patent number: 5442110
    Type: Grant
    Filed: April 20, 1994
    Date of Patent: August 15, 1995
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Yasuo Isomura, Seijiro Akamatsu, Toru Yoden, Masafumi Kudou, Akira Suga
  • Bisphophonic acid derivatives and pharmaceutical compositions containing the same
    Patent number: 4973576
    Abstract: "Novel bisphosphonic acid derivatives, and a bone resorption-inhibitor and an anti-arthritis containing a bisphosphonic acid derivative represented by the formula (I): ##STR1## wherein R.sup.2 represents a hydrogen atom, an alkyl group, etc.,R.sup.2 represents a hydrogen atom or a lower alkanoyl group,R.sup.3, R.sup.4, R.sup.5 and R.sup.6 may be the same or different, each represents a hydrogen atom or lower alkyl group.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: November 27, 1990
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Shuichi Sakamoto, Makoto Takeuchi, Yasuo Isomura, Kunihiro Niigata, Tetsushi Abe, Kousei Kawamuki, Masafumi Kudou