Patents by Inventor Kiyonoshin Ichikawa

Kiyonoshin Ichikawa 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).

  • Publication number: 20060128737
    Abstract: The present invention provides nonsteroidal tetrahydroquinoline derivatives of general formula (I) or salts thereof: (R1, R2, X, Y, Z and m are as defined in claim 1) which show no excessive action on the prostate but show a particularly potent androgen receptor agonistic action on skeletal muscle tissue and bone tissue, as well as pharmaceuticals comprising such derivatives or their salts as active ingredients.
    Type: Application
    Filed: June 19, 2003
    Publication date: June 15, 2006
    Applicant: KAKEN PHARMACEUTICAL CO., LTD.
    Inventors: Motonori Miyakawa, Yuji Sumita, Kazuyuki Furuya, Kiyonoshin Ichikawa, Noriko Yamamoto, Seiji Amano, Hiroaki Nejishima, Keigo Hanada
  • Patent number: 5350743
    Abstract: A bisphosphonic acid derivative of the formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein A is ##STR2## each of R.sup.3 and R.sup.4, which may be the same or different, is (i) a hydrogen atom, (ii) a C.sub.1-6 alkyl group, a C.sub.2-6 alkenyl group, a C.sub.2-6 alkynyl group, a C.sub.1-6 alkyl-carbonyl group, a C.sub.2-6 alkenyl-carbonyl group, a C.sub.2-6 alkynyl-carbonyl group R.sup.5 and R.sup.6, which may be the same or different, is a hydrogen atom, a hydroxyl group, a halogen atom, a cyano group, a carbamoyl group, an aralkyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted amino group, a C.sub.1-6 alkyl group, a C.sub.2-6 alkenyl group, a C.sub.2-6 alkynyl group;each of m and n is 0 or a positive integer, provided that (m+n) is from 2 to 5; andR is a hydrogen atom, a C.sub.1-8 alkyl group or a C.sub.7-15 aralkyl group.
    Type: Grant
    Filed: February 6, 1992
    Date of Patent: September 27, 1994
    Assignee: Kaken Pharmaceutical Co., Ltd.
    Inventors: Yoshitaka Ohishi, Makoto Tamura, Mitsuo Hayashida, Satoru Ikegami, Yoshiyuki Hiyama, Takao Awa, Kiyonoshin Ichikawa, Kiyoshi Nomiyama, Keigo Hanada, Mitsuo Mimura
  • Patent number: 5171566
    Abstract: There is provided an ophthalmic preparation comprising a fat emulsion containing flurbiprofen or its derivative such as ester as an active ingredient.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: December 15, 1992
    Assignee: The Green Cross Corporation
    Inventors: Yutaka Mizushima, Hiroyuki Okamoto, Shigetoshi Sugio, Kazumasa Yokoyama, Tadakazu Suyama, Masao Tohno, Makoto Okumura, Yoshiaki Konishi, Kiyonoshin Ichikawa, Katsuhiro Uchida
  • Patent number: 4699925
    Abstract: Biphenylylpropionic acid derivatives of the formula: ##STR1## wherein R is an alkylcarbonyloxyalkyl group or an alkenylcarbonyloxyalkyl group having the formula: ##STR2## wherein R.sup.1 is an alkyl group having 1 to 15 carbon atoms or an alkenyl group having 2 to 8 carbon atoms and m is 0 or an integer of 1. The compounds have excellent anti-inflammatory, analgesic and antipyretic activities. Moreover, the compounds have no irritation, rapid and long-acting, and high safety margin.
    Type: Grant
    Filed: September 12, 1983
    Date of Patent: October 13, 1987
    Assignee: Kaken Pharmaceutical Co., Ltd.
    Inventors: Katsuhiro Uchida, Shozo Masumoto, Masao Tohno, Mitsuo Mimura, Makoto Okumura, Kiyonoshin Ichikawa, Misako Matsumura