Patents by Inventor Nobufusa Serizawa

Nobufusa Serizawa 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: 6972323
    Abstract: Anti-Fas antibodies which are cross-reactive with mouse and human Fas and are useful in the treatment of conditions attributable to abnormalities in the Fas/Fas ligand system.
    Type: Grant
    Filed: February 9, 2000
    Date of Patent: December 6, 2005
    Assignee: Sankyo Company, Limited
    Inventors: Nobufusa Serizawa, Kimihisa Ichikawa, Jun Ohsumi, Masahiko Ohtsuki, Hideyuki Haruyama, Tohru Takahashi, Hiroko Yoshida, Akio Shiraishi, Shin Yonehara
  • Patent number: 6746673
    Abstract: A pharmaceutical composition containing an anti-human Fas antibody having apoptosis inducing activity and a compound having a folate antagonist activity or a dihydrofolate reductase inhibiting activity, as active ingredients for the prophylaxis and/or treatment of an autoimmune disease or rheumatoid arthritis. According to the present invention, the amount of the anti-Fas antibody to be used can be reduced and thereby the possibility that a patient may become tolerant to anti-Fas antibody as a result of the production of antibodies against the anti-Fas antibody in the patient's body or the like can be decreased, and thus is provided a pharmaceutical composition which can be used for a long time.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: June 8, 2004
    Assignee: Sankyo Company, Limited
    Inventors: Nobufusa Serizawa, Kimihisa Ichikawa, Hiroko Yoshida
  • Patent number: 6743611
    Abstract: The present invention provides expression systems for exogenous polypeptides wherein the polypeptide is expressed as a fusion protein together with clover yellow virus Nuclear Inclusion a (NIa), the NIa component serving to autolyze the fusion protein after expression. This system can be used to express a novel polypeptide which we have designated KM31-7 protein and which is capable of reducing dichloroindophenol and reduced glutathione. This polypeptide is useful in the treatment of disorders caused by oxidative stress.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: June 1, 2004
    Assignee: Sankyo Company, Limited
    Inventors: Tohru Takahashi, Nobufusa Serizawa, Ryuta Koishi, Ichiro Kawashima
  • Publication number: 20030176688
    Abstract: The present invention provides expression systems for exogenous polypeptides wherein the polypeptide is expressed as a fusion protein together with clover yellow virus Nuclear Inclusion a (NIa), the NIa component serving to autolyze the fusion protein after expression. This system can be used to express a novel polypeptide which we have designated KM31-7 protein and which is capable of reducing dichloroindophenol and reduced glutathione. This polypeptide is useful in the treatment of disorders caused by oxidative stress.
    Type: Application
    Filed: April 25, 2001
    Publication date: September 18, 2003
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Tohru Takahashi, Nobufusa Serizawa, Ryuta Koishi, Ichiro Kawashima
  • Publication number: 20030170817
    Abstract: Anti-Fas antibodies which are cross-reactive with mouse and human Fas and are useful in the treatment of conditions attributable to abnormalities in the Fas/Fas ligand system.
    Type: Application
    Filed: February 5, 2003
    Publication date: September 11, 2003
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Nobufusa Serizawa, Kimihisa Ichikawa, Jun Ohsumi, Masahiko Ohtsuki, Hideyuki Haruyama, Tohru Takahashi, Hiroko Yoshida, Akio Shiraishi, Shin Yonehara, Kaori Nakahara, Ikuko Tamaki
  • Publication number: 20030103976
    Abstract: Anti-Fas antibodies which are cross-reactive with mouse and human Fas and are useful in the treatment of conditions attributable to abnormalities in the Fas/Fas ligand system.
    Type: Application
    Filed: August 9, 2002
    Publication date: June 5, 2003
    Applicant: Sankyo Company, Limited
    Inventors: Nobufusa Serizawa, Kimihisa Ichikawa, Jun Ohsumi, Masahiko Ohtsuki, Hideyuki Haruyama, Tohru Takahashi, Hiroko Yoshida, Akio Shiraishi, Shin Yonehara, Kaori Nakahara, Ikuko Tamaki
  • Publication number: 20020103212
    Abstract: A pharmaceutical composition containing an anti-human Fas antibody having apoptosis inducing activity and a compound having a folate antagonist activity or a dihydrofolate reductase inhibiting activity, as active ingredients for the prophylaxis and/or treatment of an autoimmune disease or rheumatoid arthritis. According to the present invention, the amount of the anti-Fas antibody to be used can be reduced and thereby the possibility that a patient may become tolerant to anti-Fas antibody as a result of the production of antibodies against the anti-Fas antibody in the patient's body or the like can be decreased, and thus is provided a pharmaceutical composition which can be used for a long time.
    Type: Application
    Filed: November 20, 2001
    Publication date: August 1, 2002
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Nobufusa Serizawa, Kimihisa Ichikawa, Hiroko Yoshida, Setsu Serizawa
  • Patent number: 6307038
    Abstract: The present invention provides expression systems for exogenous polypeptides wherein the polypeptide is expressed as a fusion protein together with clover yellow virus Nuclear Inclusion a (NIa), the NIa component serving to autolyze the fusion protein after expression. This system can be used to express a novel polypeptide which we have designated KM31-7 protein and which is capable of reducing dichloroindophenol and reduced glutathione. This polypeptide is useful in the treatment of disorders caused by oxidative stress.
    Type: Grant
    Filed: October 6, 1998
    Date of Patent: October 23, 2001
    Assignee: Sankyo Company, Limited
    Inventors: Tohru Takahashi, Nobufusa Serizawa, Ryuta Koishi, Ichiro Kawashima
  • Patent number: 5955072
    Abstract: The present invention provides expression systems for exogenous polypeptides wherein the polypeptide is expressed as a fusion protein together with clover yellow virus Nuclear Inclusion a (NIa), the NIa component serving to autolyze the fusion protein after expression. This system can be used to express a novel polypeptide which we have designated KM31-7 protein and which is capable of reducing dichloroindophenol and reduced glutathione. This polypeptide is useful in the treatment of disorders caused by oxidative stress.
    Type: Grant
    Filed: July 11, 1995
    Date of Patent: September 21, 1999
    Assignee: Sankyo Company, Limited
    Inventors: Tohru Takahashi, Nobufusa Serizawa, Ryuta Koishi, Ichiro Kawashima
  • Patent number: 5830695
    Abstract: A 1 kbp length of the 5'-noncoding region of the gene encoding cytochrome P-450.sub.sca-2 in the actinomycete Streptomyces carbophilus has transcription promoter activity which is substrate inducible. When the 1 kbp region is shortened, transcription activity becomes constitutive and the shortened promoters can be used advantageously in expression systems, especially those expressing P-450.sub.sca-2 in the presence of ML-236B to produce pravastatin sodium.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: November 3, 1998
    Assignee: Sankto Company, Limited
    Inventors: Nobufusa Serizawa, Ichiro Watanabe
  • Patent number: 5827855
    Abstract: Compounds of formula (I): ##STR1## wherein R.sup.1 represents a group of formula (II) or (III): ##STR2## R.sup.2 is alkyl, alkenyl or alkynyl; R.sup.3 and R.sup.4 are each hydrogen, alkyl, alkenyl or alkynyl; R.sup.5 is hydrogen or a carboxy-protecting group; R.sup.a is a group of formula --OR.sup.6 ; R.sup.6 is hydrogen; R.sup.6a and R.sup.6b are each hydrogen, a hydroxy-protecting group, alkyl, alkanesulfonyl, halogenated alkanesulfonyl or arysulfonyl, and their salts and esters. Such compounds inhibit the synthesis of cholesterol, and can be used for the treatment and prophylaxis of hypercholesterolemia and of various cardiac disorders.
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: October 27, 1998
    Assignee: Sankyo Company, Limited
    Inventors: Hiroshi Kogen, Sadao Ishihara, Teiichiro Koga, Eiichi Kitazawa, Nobufusa Serizawa, Kiyoshi Hamano
  • Patent number: 5491167
    Abstract: Compounds of formula (I): ##STR1## and their salts and esters have the ability to inhibit the synthesis of cholesterol, and can thus be used for the treatment and prophylaxis of hypercholesterolemia and of various cardiac disorders.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: February 13, 1996
    Assignee: Sankyo Company, Limited
    Inventors: Sadao Ishihara, Hiroshi Kogen, Teiichiro Koga, Eiichi Kitazawa, Nobufusa Serizawa
  • Patent number: 5451688
    Abstract: Compounds of formula (I): ##STR1## [wherein R.sup.1 represents a group of formula (II) or (III): ##STR2## R.sup.2 is alkyl, alkenyl or alkynyl; R.sup.3 and R.sup.4 are each hydrogen, alkyl, alkenyl or alkynyl; R.sup.5 is hydrogen or a carboxy-protecting group; R.sup.a is hydrogen or a group of formula and --OR.sup.6 ; R.sup.6, R.sup.6a and R.sup.6b are each hydrogen, a hydroxy-protecting group, alkyl, alkanesulfonyl, halogenated alkanesulfonyl or arylsulfonyl] and their salts and esters have the ability to inhibit the synthesis of cholesterol, and can thus be used for the treatment and prophylaxis of hypercholesterolemia and of various cardiac disorders.
    Type: Grant
    Filed: December 28, 1993
    Date of Patent: September 19, 1995
    Assignee: Sankyo Company, Limited
    Inventors: Hiroshi Kogen, Sadao Ishihara, Teiichiro Koga, Eiichi Kitazawa, Nobufusa Serizawa, Kiyoshi Hamano
  • Patent number: 5407826
    Abstract: Trans-4-hydroxy-L-proline is produced microbially, especially by the cultivation of a microorganism of the genus Clonostachys, Gliocladium or Nectria.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: April 18, 1995
    Assignee: Sankyo Company, Limited
    Inventors: Tatsuji Matsuoka, Nobufusa Serizawa, Tsuyoshi Hosoya, Kouhei Furuya
  • Patent number: 5334517
    Abstract: Trans-4-hydroxy-L-proline is produced microbially, especially by the cultivation of a microorganism of the genus Clonostachys, Gliocladium or Nectria.
    Type: Grant
    Filed: December 15, 1992
    Date of Patent: August 2, 1994
    Assignee: Sankyo Company Limited
    Inventors: Tatsuji Matsuoka, Nobufusa Serizawa, Tsuyoshi Hosoya, Kouhei Furuya