Patents by Inventor Hideji Itokawa

Hideji Itokawa 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: 8198323
    Abstract: The present invention relates to compounds capable of acting as androgen receptor antagonists, pharmaceutical formulations containing the same, and methods of use thereof. Such uses include, but are not limited to, use as antitumor agents, particularly for the treatment of cancers such as colon, skin and prostate cancer and to induce androgen receptor antagonist activity in a subject afflicted with an androgen-related affliction. Examples of androgen-related afflictions include, but are not limited to, baldness, hirsutism, behavioral disorders, acne, and uninhibited spermatogenesis wherein inhibition of spermatogenesis is so desired.
    Type: Grant
    Filed: April 12, 2010
    Date of Patent: June 12, 2012
    Assignees: The University of North Carolina at Chapel Hill, The University of Rochester Medical Center, Androscience Corporation
    Inventors: Kuo-Hsiung Lee, Li Lin, Charles C-Y Shih, Ching-Yuan Su, Junko Ishida, Hironori Ohtsu, Hui-Kang Wang, Hideji Itokawa, Chawnshang Chang
  • Publication number: 20100197784
    Abstract: The present invention relates to compounds capable of acting as androgen receptor antagonists, pharmaceutical formulations containing the same, and methods of use thereof. Such uses include, but are not limited to, use as antitumor agents, particularly for the treatment of cancers such as colon, skin and prostate cancer and to induce androgen receptor antagonist activity in a subject afflicted with an androgen-related affliction. Examples of androgen-related afflictions include, but are not limited to, baldness, hirsutism, behavioral disorders, acne, and uninhibited spermatogenesis wherein inhibition of spermatogenesis is so desired.
    Type: Application
    Filed: April 12, 2010
    Publication date: August 5, 2010
    Applicants: The University of North Carlina at Chapel Hill, The University of Rochester Medical Center, Androscience Corporation
    Inventors: Kuo-Hsiung Lee, Li Lin, Charles C-Y Shih, Ching-Yuan Su, Junko Ishida, Hironori Ohtsu, Hui-Kang Wang, Hideji Itokawa, Chawnshang Chang
  • Patent number: 7709535
    Abstract: The present invention relates to compounds capable of acting as androgen receptor antagonists, pharmaceutical formulations containing the same, and methods of use thereof. Such uses include, but are not limited to, use as antitumor agents, particularly for the treatment of cancers such as colon, skin and prostate cancer and to induce androgen receptor antagonist activity in a subject afflicted with an androgen-related affliction. Examples of androgen-related afflictions include, but are not limited to, baldness, hirsutism, behavioral disorders, acne, and uninhibited spermatogenesis wherein inhibition of spermatogenesis is so desired.
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: May 4, 2010
    Assignees: The University of North Carolina at Chapel Hill, The University of Rochester Medical Center, Androscience Corporation
    Inventors: Kuo-Hsiung Lee, Li Lin, Charles C-Y Shih, Ching-Yuan Su, Junko Ishida, Hironori Ohtsu, Hui-Kang Wang, Hideji Itokawa, Chawnshang Chang
  • Patent number: 7595346
    Abstract: The present invention relates to compounds capable of acting as androgen receptor antagonists, pharmaceutical formulations containing the same, and methods of use thereof. Such uses include, but are not limited to, use as antitumor agents, particularly for the treatment of cancers such as colon, skin and prostate cancer and to induce androgen receptor antagonist activity in a subject afflicted with an androgen-related affliction. Examples of androgen-related afflictions include, but are not limited to, baldness, hirsutism, behavioral disorders, acne, and uninhibited spermatogenesis wherein inhibition of spermatogenesis is so desired.
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: September 29, 2009
    Assignees: The University of North Carolina at Chapel Hill, The University of Rochester Medical Center, Androscience Corporation
    Inventors: Kuo-Hsiung Lee, Li Lin, Charles C-Y Shih, Ching-Yuan Su, Junko Ishida, Hironori Ohtsu, Hui-Kang Wang, Hideji Itokawa, Chawnshang Chang
  • Publication number: 20080161391
    Abstract: The present invention relates to compounds capable of acting as androgen receptor antagonists, pharmaceutical formulations containing the same, and methods of use thereof. Such uses include, but are not limited to, use as antitumor agents, particularly for the treatment of cancers such as colon, skin and prostate cancer and to induce androgen receptor antagonist activity in a subject afflicted with an androgen-related affliction. Examples of androgen-related afflictions include, but are not limited to, baldness, hirsutism, behavioral disorders, acne, and uninhibited spermatogenesis wherein inhibition of spermatogenesis is so desired.
    Type: Application
    Filed: February 13, 2008
    Publication date: July 3, 2008
    Applicants: The University of North Carolina, The University of Rochester Medical Center, Androscience Corporation
    Inventors: Kuo-Hsiung Lee, Li Lin, Charles C-Y Shih, Ching-Yuan Su, Junko Ishida, Hironori Ohtsu, Hui-Kang Wang, Hideji Itokawa, Chawnshang Chang
  • Publication number: 20080146660
    Abstract: The present invention relates to compounds capable of acting as androgen receptor antagonists, pharmaceutical formulations containing the same, and methods of use thereof. Such uses include, but are not limited to, use as antitumor agents, particularly for the treatment of cancers such as colon, skin and prostate cancer and to induce androgen receptor antagonist activity in a subject afflicted with an androgen-related affliction. Examples of androgen-related afflictions include, but are not limited to, baldness, hirsutism, behavioral disorders, acne, and uninhibited spermatogenesis wherein inhibition of spermatogenesis is so desired.
    Type: Application
    Filed: February 13, 2008
    Publication date: June 19, 2008
    Applicants: The University of North Carolina at Chapel Hill, The University of Rochester Medical Center, Androscience Corporation
    Inventors: Kuo-Hsiung Lee, Li Lin, Charles C-Y Shih, Ching-Yuan Su, Junko Ishida, Hironori Ohtsu, Hui-Kang Wang, Hideji Itokawa, Chawnshang Chang
  • Patent number: 7355081
    Abstract: The present invention relates to compounds capable of acting as androgen receptor antagonists, pharmaceutical formulations containing the same, and methods of use thereof. Such uses include, but are not limited to, use as antitumor agents, particularly for the treatment of cancers such as colon, skin and prostate cancer and to induce androgen receptor antagonist activity in a subject afflicted with an androgen-related affliction. Examples of androgen-related afflictions include, but are not limited to, baldness, hirsutism, behavioral disorders, acne, and uninhibited spermatogenesis wherein inhibition of spermatogenesis is so desired.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: April 8, 2008
    Assignees: The University of North Carolina at Chapel Hill, The University of Rochester Medical Center, Androscience Corporation
    Inventors: Kuo-Hsiung Lee, Li Lin, Charles C-Y Shih, Ching-Yuan Su, Junko Ishida, Hironori Ohtsu, Hui-Kang Wang, Hideji Itokawa, Chawnshang Chang
  • Publication number: 20050187255
    Abstract: The present invention relates to compounds capable of acting as androgen receptor antagonists, pharmaceutical formulations containing the same, and methods of use thereof. Such uses include, but are not limited to, use as antitumor agents, particularly for the treatment of cancers such as colon, skin and prostate cancer and to induce androgen receptor antagonist activity in a subject afflicted with an androgen-related affliction. Examples of androgen-related afflictions include, but are not limited to, baldness, hirsutism, behavioral disorders, acne, and uninhibited spermatogenesis wherein inhibition of spermatogenesis is so desired.
    Type: Application
    Filed: October 15, 2004
    Publication date: August 25, 2005
    Inventors: Kuo-Hsiung Lee, Li Lin, Charles Shih, Ching-Yuan Su, Junko Ishida, Hironori Ohtsu, Hui-Kang Wang, Hideji Itokawa, Chawnshang Chang
  • Patent number: 6790979
    Abstract: The present invention relates to compounds capable of acting as androgen receptor antagonists, pharmaceutical formulations containing the same, and methods of use thereof. Such uses include, but are not limited to, use as antitumor agents, particularly for the treatment of cancers such as colon, skin and prostate cancer and to induce androgen receptor antagonist activity in a subject afflicted with an androgen-related affliction. Examples of androgen-related afflictions include, but are not limited to, baldness, hirsutism, behavioral disorders, acne, and uninhibited spermatogenesis wherein inhibition of spermatogenesis is so desired.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: September 14, 2004
    Assignee: University of North Carolina at Chapel Hill
    Inventors: Kuo-Hsiung Lee, Junko Ishida, Hironari Ohtsu, Hui-Kang Wang, Hideji Itokawa, Chawnshang Chang, Charles C-Y. Shih
  • Publication number: 20030203933
    Abstract: The present invention relates to compounds capable of acting as androgen receptor antagonists, pharmaceutical formulations containing the same, and methods of use thereof. Such uses include, but are not limited to, use as antitumor agents, particularly for the treatment of cancers such as colon, skin and prostate cancer and to induce androgen receptor antagonist activity in a subject afflicted with an androgen-related affliction. Examples of androgen-related afflictions include, but are not limited to, baldness, hirsutism, behavioral disorders, acne, and uninhibited spermatogenesis wherein inhibition of spermatogenesis is so desired.
    Type: Application
    Filed: April 17, 2002
    Publication date: October 30, 2003
    Inventors: Kuo-Hsiung Lee, Junko Ishida, Hironori Ohtsu, Hui-Kang Wang, Hideji Itokawa, Chawnshang Chang, Charles C-Y. Shih
  • Patent number: 5922838
    Abstract: Object: To provide a cyclic hexapeptide compound having a distinguished pharmaceutical effect.Constitution: A cyclic hexapeptide compound represented by the following formula: ##STR1## where R is a group represented by the following formula: ##STR2## (where R.sup.1 and R.sup.2 are each an alkyl group, a phenyl group or a benzyl group) or a group represented by the following formula: ##STR3## (where n is an integer of 4 to 6), or its salts.
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: July 13, 1999
    Assignees: Taisho Pharmaceutical Co., Ltd., Hideji Itokawa
    Inventors: Hideji Itokawa, Yukio Hitotsuyanagi, Takehiro Yamagishi
  • Patent number: 4725578
    Abstract: New compounds of the following general formula: ##STR1## wherein R.sub.1 is acyl, alkyl, cycloalkyl, carboxyalkyl or ester thereof, heterocyclic group, saccharide residue or hydrogen atom, R.sub.2 stands for hydrogen atom or a lower alkyl and R.sub.3 represents hydrogen atom or a nitrogen-containing group, are provided, among these, some of the compounds to be isolated and purified from a plant belonging to Genus Rubia, other compounds being prepared by chemically modifying the isolated compounds with various kind of substituents and these new compounds having therapeutic effect, in particular such as antineoplastic, emetic, anorexigenic, psychotropic, vasoconstrictive, papaverinic, antiperkinsonian and/or antidiuretic effect.
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: February 16, 1988
    Assignee: Tobishi Pharmaceutical Co., Ltd.
    Inventor: Hideji Itokawa
  • Patent number: 4476299
    Abstract: New compounds of the following general formula: ##STR1## wherein R.sub.1 is acyl, alkyl, cycloalkyl, carboxyalkyl or ester thereof, heterocyclic group, saccharide residue or hydrogen atom, R.sub.2 stands for hydrogen atom or a lower alkyl and R.sub.3 represents hydrogen atom or a nitrogen-containing group,are provided, among these, some of the compounds to be isolated and purified from a plant belonging to Genus Rubia, other compounds being prepared by chemically modifying the isolated compounds with various kind of substituents and these new compounds having therapeutic effect, in particular such as antineoplastic, emetic, anorexigenic, psychotropic, vasoconstrictive, papaverinic, antiperkinsonian and/or antidiuretic effect.
    Type: Grant
    Filed: July 26, 1982
    Date of Patent: October 9, 1984
    Assignee: Tobishi Pharmaceutical Co., Ltd.
    Inventor: Hideji Itokawa