Patents by Inventor Isao Okayasu

Isao Okayasu 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: 20210231668
    Abstract: The present invention relates to kits and methods for determining (diagnosing) prostate cancer malignancy and to predict patient prognoses. Our findings suggested that elevated LAT1 expression in PC is a novel biomarker for high-grade malignancy. Independently of GS, aberrant LAT1 overexpression might be used to screen for aggressive phenotypes of PC that should be treated medically. Prostate biopsies are usually small samples, limiting the evaluation of the tumor area. Thus, LAT1 intensity in prostate biopsy samples may be more a reliable prognostic marker of LP. Especially, we propose LAT1 evaluation against PC with low-risk patients in order to screen who can receive active surveillance. Several LAT1 inhibitors have been found to suppress cancer cell proliferation, so inhibition of LAT1 may be a potential therapeutic strategy for PC and other human cancers.
    Type: Application
    Filed: February 5, 2021
    Publication date: July 29, 2021
    Applicant: J-Pharma Co., Ltd.
    Inventors: Nobuyuki Yanagisawa, Isao Okayasu
  • Publication number: 20200405695
    Abstract: O-(5-amino-2-phenylbenzoxazol-7-yl)methyl-3,5-dichloro-L-tyrosine or a pharmacologically acceptable salt thereof exhibits high therapeutic effects on bile duct cancer, colorectal cancer, esophageal cancer, breast cancer, and pancreatic cancer.
    Type: Application
    Filed: August 1, 2018
    Publication date: December 31, 2020
    Applicant: J-Pharma Co., Ltd.
    Inventors: Hitoshi Endou, Junji Furuse, Isao Okayasu, Michael F. Wempe
  • Publication number: 20190227070
    Abstract: The present invention relates to kits and methods for determining (diagnosing) prostate cancer malignancy and to predict patient prognoses. Our findings suggested that elevated LAT1 expression in PC is a novel biomarker for high-grade malignancy. Independently of GS, aberrant LAT1 overexpression might be used to screen for aggressive phenotypes of PC that should be treated medically. Prostate biopsies are usually small samples, limiting the evaluation of the tumor area. Thus, LAT1 intensity in prostate biopsy samples may be more a reliable prognostic marker of LP. Especially, we propose LAT1 evaluation against PC with low-risk patients in order to screen who can receive active surveillance. Several LAT1 inhibitors have been found to suppress cancer cell proliferation, so inhibition of LAT1 may be a potential therapeutic strategy for PC and other human cancers.
    Type: Application
    Filed: March 10, 2016
    Publication date: July 25, 2019
    Applicant: J-Pharma Co., Ltd.
    Inventors: Nobuyuki Yanagisawa, Isao Okayasu
  • Patent number: 9835351
    Abstract: An air conditioner controlling method includes: deciding on a supply-air temperature Ts and a return-air temperature Tr as specified design values; deciding that the total heat-exchange efficiency ? is zero; selecting two or more stepped levels of the outdoor-air volume percentage ?; deriving a linear function which expresses a relation between an outdoor-air temperature To and a mixed-air temperature Tm for each level of the outdoor-air volume percentage ? by using the return-air temperature Tr and the total heat-exchange efficiency ?; and deciding on the range where the mixed-air temperature Tm is lower than the supply-air temperature Ts for each of the linear functions and the range where the mixed-air temperature Tm in each linear function comes closest to the supply-air temperature Ts as compared with the mixed-air temperatures Tm in the other linear functions.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: December 5, 2017
    Assignee: KOJIMACHI ENGINEERING CO., LTD.
    Inventors: Michio Kagitani, Isao Okayasu, Munemasa Kobayashi
  • Patent number: 9618512
    Abstract: A method for the diagnosis of breast cancer using an anti-LAT1 monoclonal antibody. Among intraductal breast neoplastic lesions, duct carcinoma in situ, which is malignant, expresses LAT1 at a significantly high level, as compared to intraductal breast papilloma, which is benign. An anti-LAT1 monoclonal antibody is useful for the discrimination between these two lesions. Further, LAT1 is expressed at a high level in most of triple negative infiltrating carcinomas, which are negative for all of ER, PgR, and HER2 that are conventional molecular targeting markers for breast cancer. Therefore, LAT1 can be used as a novel molecular targeting marker for the triple negative breast cancer.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: April 11, 2017
    Assignee: J-Pharma Co., Ltd.
    Inventors: Hitoshi Endou, Isao Okayasu
  • Publication number: 20160370379
    Abstract: A blood-based biomarker for cancer includes a specific amino acid group of at least seven amino acids. The at least seven amino acids include histidine, isoleucine, leucine, methionine, tryptophan, valine, and tyrosine. The specific amino acid group may further include phenylalanine. The cancer is at least one kind of cancer selected from the group consisting of liver cancer, colon cancer, lung cancer, gall bladder cancer, lymph node metastatic cancer, gastric cancer, pancreas cancer, bile duct cancer, breast cancer, malignant mesothelioma, and T-cell leukemia/lymphoma.
    Type: Application
    Filed: June 9, 2015
    Publication date: December 22, 2016
    Applicant: J-Pharma Co., Ltd.
    Inventors: Hitoshi Endou, Isao Okayasu, Kiyomi Hana
  • Patent number: 8741876
    Abstract: A method for treating a patient having ulcerative colitis, by administering a drug which containing an effective amount of tetracyclines is provided. The drug may also contain penicillins and/or metronidazoles.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: June 3, 2014
    Assignees: Nobuhiro Sato, Wakamoto Pharmaceutical Co., Ltd
    Inventors: Nobuhiro Sato, Toshifumi Okusa, Isao Okayasu
  • Publication number: 20140106377
    Abstract: A method for the diagnosis of breast cancer using an anti-LAT1 monoclonal antibody. Among intraductal breast neoplastic lesions, duct carcinoma in situ, which is malignant, expresses LAT1 at a significantly high level, as compared to intraductal breast papilloma, which is benign. An anti-LAT1 monoclonal antibody is useful for the discrimination between these two lesions. Further, LAT1 is expressed at a high level in most of triple negative infiltrating carcinomas, which are negative for all of ER, PgR, and HER2 that are conventional molecular targeting markers for breast cancer. Therefore, LAT1 can be used as a novel molecular targeting marker for the triple negative breast cancer.
    Type: Application
    Filed: April 13, 2012
    Publication date: April 17, 2014
    Applicant: J-PHARMA CO., LTD.
    Inventors: Hitoshi Endou, Isao Okayasu
  • Patent number: 8053202
    Abstract: The invention provides a method capable of readily discriminating pathologic conditions and judging selection of a therapeutic drug, the degree of the therapeutic effect, discontinuation of medication, etc., wherein stages quantitatively judged by digitizing substances contained in urine, which is different from conventional methods for judging stages of an interstitial pneumonitis which are performed by observation of mucous lesions with endoscopy requiring the skill or by analysis of histological samples collected from the living body. The method measures the value of main metabolites of prostaglandin E (PGE-MUM) concentration in urine and judges stages between the pre-remission phase of interstitial pneumonitis.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: November 8, 2011
    Assignees: Mutsunori Fujiwara, Isao Okayasu, Yzo Hayashi, Fujirebio Inc.
    Inventors: Mutsunori Fujiwara, Isao Okayasu, Yuzo Hayashi
  • Publication number: 20110032219
    Abstract: The present invention is directed to provide a lever switch with a display device that is variably displayable of pictures or texts. A lever 18 is configured by disposing an organic light-emitting device 10 in a manner that it is interposed between an operating unit 1 and an operating unit cover 13 and coupling a shaft 14 to the operating unit 1, and a housing 19 is fitted with a bezel 24 so that the lever 18 protrudes from a hole for tilting 24a of the bezel 24, thereby the lever 18 is tiltably disposed. In the housing 19, a printed circuit board 20 is arranged with a photo-interrupter 23 implemented thereon for detecting a tilting motion of the lever 18.
    Type: Application
    Filed: March 15, 2010
    Publication date: February 10, 2011
    Applicant: NIHON KAIHEIKI INDUSTRIAL COMPANY, LTD.
    Inventors: Masahiro Aoyama, Isao Okayasu, Seiji Noguchi, Toshio Hayashi, Hitomi Yamaga, Lee Pistor, Gary Wilson, Jani Duffy, Matt Heider, Matt Minton, Jorge Mendivil
  • Publication number: 20110020952
    Abstract: The invention provides a method capable of readily discriminating pathologic conditions and judging selection of a therapeutic drug, the degree of the therapeutic effect, discontinuation of medication, etc., wherein stages quantitatively judged by digitizing substances contained in urine, which is different from conventional methods for judging stages of an ulcerative colitis and an interstitial pneumonitis which are performed by observation of mucous lesions with endoscopy requiring the skill or by analysis of histological samples collected from the living body. The method measures the value of main metabolites of prostaglandin E (PGE-MUM) concentration in urine and judges stages between the pre-remission phase of and the remission phase of ulcerative colitis. The method also measures the value of the PGE-MUM concentration in urine and judges stages between the active phase and the non-active phase of interstitial pneumonitis.
    Type: Application
    Filed: October 5, 2010
    Publication date: January 27, 2011
    Applicants: Mutsunori Fujiwara, FUJIREBIO INC.
    Inventors: Mutsunori FUJIWARA, Isao Okayasu, Yuzo Hayashi
  • Patent number: 7829295
    Abstract: The invention provides a method capable of readily discriminating pathologic conditions and judging selection of a therapeutic drug, the degree of the therapeutic effect, discontinuation of medication, etc., wherein stages quantitatively judged by digitizing substances contained in urine, which is different from conventional methods for judging stages of an ulcerative colitis and an interstitial pneumonitis which are performed by observation of mucous lesions with endoscopy requiring the skill or by analysis of histological samples collected from the living body. The method measures the value of main metabolites of prostaglandin E (PGE-MUM) concentration in urine and judges stages between the pre-remission phase of and the remission phase of ulcerative colitis. The method also measures the value of the PGE-MUM concentration in urine and judges stages between the active phase and the non-active phase of interstitial pneumonitis.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: November 9, 2010
    Assignees: Fujirebio Inc.
    Inventors: Mutsunori Fujiwara, Isao Okayasu, Yuzo Hayashi
  • Publication number: 20100151024
    Abstract: A method for treating a patient having ulcerative colitis, by administering a drug which containing an effective amount of tetracyclines is provided. The drug may also contain penicillins and/or metronidazoles.
    Type: Application
    Filed: February 24, 2010
    Publication date: June 17, 2010
    Applicants: Nobuhiro SATO, Ajinomoto Co., Inc.
    Inventors: Nobuhiro Sato, Toshifumi Okusa, Isao Okayasu
  • Publication number: 20100112596
    Abstract: The present invention relates to kits and methods for determining (diagnosing) prostate cancer malignancy and to predict patient prognoses. In addition to the Gleason's classification and the TMN classification, the invention kit and methods provide improved procedures with molecular markers. These new diagnostic methods provide methods capable of determining prostate cancer malignancy more accurately and easily through combination with the Gleason's classification via biopsies at an early stage before surgical operation; even when specimens taken through a fine needle examination are used instead of specimens extracted during a surgical operation.
    Type: Application
    Filed: February 6, 2007
    Publication date: May 6, 2010
    Applicant: J-PHARMA CO., LTD.
    Inventors: Hitoshi Endou, Isao Okayasu, Takeshi Sakata
  • Patent number: 7700106
    Abstract: Disclosed are pharmaceutical compositions of treatment for a patient with ulcerative colitis comprising a drug which can selectively kill Fusobacterium varium cells, or a drug which can neutralize the toxin produced by Fusobacterium varium cells, a method for screening such a drug, a method for treating a patient with the disease, a vaccine for the disease, a diagnostic drug, a diagnostic method, an experimental model for the disease and an experimental animal for the disease.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: April 20, 2010
    Assignees: Wakamoto Pharmaceutical Co., Ltd.
    Inventors: Nobuhiro Sato, Toshifumi Okusa, Isao Okayasu
  • Publication number: 20090130775
    Abstract: The invention provides a method capable of readily discriminating pathologic conditions and judging selection of a therapeutic drug, the degree of the therapeutic effect, discontinuation of medication, etc., wherein stages quantitatively judged by digitizing substances contained in urine, which is different from conventional methods for judging stages of an ulcerative colitis and an interstitial pneumonitis which are performed by observation of mucous lesions with endoscopy requiring the skill or by analysis of histological samples collected from the living body. The method measures the value of main metabolites of prostaglandin E (PGE-MUM) concentration in urine and judges stages between the pre-remission phase of and the remission phase of ulcerative colitis. The method also measures the value of the PGE-MUM concentration in urine and judges stages between the active phase and the non-active phase of interstitial pneumonitis.
    Type: Application
    Filed: April 14, 2006
    Publication date: May 21, 2009
    Applicants: Mutsunori FUJIWARA, FUJIREBIO INC.
    Inventors: Mutsunori Fujiwara, Isao Okayasu, Yuzo Hayashi
  • Publication number: 20070196931
    Abstract: Disclosed are pharmaceutical compositions of treatment for a patient with ulcerative colitis comprising a drug which can selectively kill Fusobacterium varium cells, or a drug which can neutralize the toxin produced by Fusobacterium varium cells, a method for screening such a drug, a method for treating a patient with the disease, a vaccine for the disease, a diagnostic drug, a diagnostic method, an experimental model for the disease and an experimental animal for the disease.
    Type: Application
    Filed: April 12, 2007
    Publication date: August 23, 2007
    Applicants: Nobuhiro SATO, Ajinomoto Co., Inc.
    Inventors: Nobuhiro SATO, Toshifumi Okusa, Isao Okayasu
  • Publication number: 20060083686
    Abstract: Disclosed are pharmaceutical compositions of treatment for a patient with ulcerative colitis comprising a drug which can selectively kill Fusobacterium varium cells, or a drug which can neutralize the toxin produced by Fusobacterium varium cells, a method for screening such a drug, a method for treating a patient with the disease, a vaccine for the disease, a diagnostic drug, a diagnostic method, an experimental model for the disease and an experimental animal for the disease.
    Type: Application
    Filed: November 23, 2005
    Publication date: April 20, 2006
    Applicants: Ajinomoto Co., Inc.
    Inventors: Nobuhiro Sato, Toshifumi Okusa, Isao Okayasu
  • Publication number: 20020187152
    Abstract: Disclosed are pharmaceutical compositions of treatment for a patient with ulcerative colitis comprising a drug which can selectively kill Fusobacterium varium cells, or a drug which can neutralize the toxin produced by Fusobacterium varium cells, a method for screening such a drug, a method for treating a patient with the disease, a vaccine for the disease, a diagnostic drug, a diagnostic method, an experimental model for the disease and an experimental animal for the disease.
    Type: Application
    Filed: August 20, 2001
    Publication date: December 12, 2002
    Applicant: Nobuhiro SATO
    Inventors: Nobuhiro Sato, Toshifumi Okusa, Isao Okayasu