Patents by Inventor Yasuyuki Kuroiwa

Yasuyuki Kuroiwa 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: 8394368
    Abstract: HLA matched activated lymphocytes in mononuclear cells separated from peripheral blood or umbilical cord blood are proliferated and activated. After separating and collecting, the HLA matched activated lymphocytes are employed as the main component of a composition for promoting survival of transplanted hematopoietic stem cells. The obtained composition is widely usable in, for instance, prevention of survival failure of transplanted hematopoietic stem cells and therapy for promoting the survival thereof. Although the dose of the composition varies depending on the age, conditions, etc. of a patient, a humanized antibody is administered in a dose of from 0.2 to 20 ml/kg/day to mammals including humans. The composition is administered by intravenous injection either once a day (single administration or continuous administration) or intermittently once to 3 times in a week or once in 2 or 3 weeks.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: March 12, 2013
    Assignee: Lymphotec Inc.
    Inventors: Kenzo Bamba, Yasuyuki Kuroiwa, Tomohiro Morio, Norio Shimizu
  • Publication number: 20110097314
    Abstract: HLA matched activated lymphocytes in mononuclear cells separated from peripheral blood or umbilical cord blood are proliferated and activated. After separating and collecting, the HLA matched activated lymphocytes are employed as the main component of a composition for promoting survival of transplanted hematopoietic stem cells. The obtained composition is widely usable in, for instance, prevention of survival failure of transplanted hematopoietic stem cells and therapy for promoting the survival thereof. Although the dose of the composition varies depending on the age, conditions, etc. of a patient, a humanized antibody is administered in a dose of from 0.2 to 20 ml/kg/day to mammals including humans. The composition is administered by intravenous injection either once a day (single administration or continuous administration) or intermittently once to 3 times in a week or once in 2 or 3 weeks.
    Type: Application
    Filed: January 10, 2011
    Publication date: April 28, 2011
    Applicant: LYMPHOTEC INC.
    Inventors: Kenzo Bamba, Yasuyuki Kuroiwa, Tomohiro Morio, Norio Shimizu
  • Publication number: 20100178274
    Abstract: An object of the present invention is to provide a method for treating defects of articular cartilage or meniscus of a patient using in vivo chondrogenesis of synovium-derived MSCs. The present invention provides a method for treating a disease associated with defects of cartilage or meniscus. In the present invention, the method for treating a disease associated with defects of cartilage or meniscus comprises the following steps: culturing ex vivo autologous synovium-derived mesenchymal stem cells (MSCs); implanting the MSCs such that said cartilage defect site or meniscal defect site is covered by the MSCs; and regenerating cartilage tissue at the cartilage defect site or meniscal defect site in situ by differentiating the MSCs into cartilage cells.
    Type: Application
    Filed: August 22, 2007
    Publication date: July 15, 2010
    Inventors: Ichiro Sekiya, Takeshi Muneta, Tomohiro Morio, Norio Shimizu, Yasuyuki Kuroiwa
  • Publication number: 20100015593
    Abstract: HLA matched activated lymphocytes in mononuclear cells separated from peripheral blood or umbilical cord blood are proliferated and activated. After separating and collecting, the HLA matched activated lymphocytes are employed as the main component of a composition for promoting survival of transplanted hematopoietic stem cells. The obtained composition is widely usable in, for instance, prevention of survival failure of transplanted hematopoietic stem cells and therapy for promoting the survival thereof. Although the dose of the composition varies depending on the age, conditions, etc. of a patient, a humanized antibody is administered in a dose of from 0.2 to 20 ml/kg/day to mammals including humans. The composition is administered by intravenous injection either once a day (single administration or continuous administration) or intermittently once to 3 times in a week or once in 2 or 3 weeks.
    Type: Application
    Filed: September 9, 2009
    Publication date: January 21, 2010
    Applicant: LYMPHOTEC INC.
    Inventors: Kenzo Bamba, Yasuyuki Kuroiwa, Tomohiro Morio, Norio Shimizu
  • Publication number: 20080014174
    Abstract: According to the present invention, HLA matching donor-originating activated lymphocytes highly effective in the treatment of patients with tumors, viral infections and autoimmune diseases are prepared by collecting cells contained in peripheral blood originating from an HLA matching donor or peripheral blood originating from an HLA matching donor achieving micro-chimerism and by stimulating and propagating the cells thus collected with, for instance, interleukin 2 and anti-CD3 antibodies or the like. The HLA matching donor-originating activated lymphocytes thus prepared can be administered to an HLA matching patient with a tumor, a viral infection or an autoimmune disease for therapeutic or preventive purposes.
    Type: Application
    Filed: August 6, 2007
    Publication date: January 17, 2008
    Applicant: Lymphotec Inc.
    Inventors: Yasuyuki KUROIWA, Tomohiro Morio, Norio Shimizu, Teruaki Sekine
  • Patent number: 7252067
    Abstract: To provide a power transmission system for a vehicle wherein a starter is simplified, the number of component parts is small, and a reduction in cost can be contrived. Thus, an excellent operationality at the time of starting is achieved. A power transmission system for a vehicle, including a clutch and a fluid transmission through both of which the rotational torque of a crankshaft of an internal combustion engine is transmitted to a load-side transmission mechanism, wherein the clutch and the fluid transmission are both provided on one side of the crankshaft, and a drive force of a starter is directly inputted to the other side of the crankshaft.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: August 7, 2007
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yoshinobu Sawamura, Yukihiro Tsubakino, Teruo Kihara, Yasuyuki Kuroiwa, Hideki Ikeda, Kiyotaka Fujihara
  • Publication number: 20070053873
    Abstract: A treatment for tumorous canines and a method of preparing, cultivating, and cryogenically preserving the pharmaceutical formulation used in the treatment. Canine lymphocytes are activated and expanded in the presence of a combination of anti-canine CD3 antibodies and interleukin-2 (IL-2) (preferably anti-canine CD3 antibodies and human interleukin-2 (human IL-2)) and administered to tumorous dogs. Following treatment, the canine tumors were observed to be in regression while no serious side effects were noted. Quality-of-life improvements were observed in the form of the animals' ability to walk increased distances and improved coat appearance.
    Type: Application
    Filed: August 21, 2006
    Publication date: March 8, 2007
    Applicant: LYMPHOTEC INC.
    Inventors: Hiroshi ISHII, Akiko IINUMA, Kazuoki OSUMI, Kenzo BAMBA, Yasuyuki KUROIWA, Teruaki SEKINE
  • Publication number: 20070025961
    Abstract: [PROBLEMS] To stabilize the survival of transplanted hematopoietic stem cells by using HLA identical activated lymphocytes. [MEANS FOR RESOLVING PROBLEMS] HLA identical activated lymphocytes in mononuclear cells separated from peripheral blood or umbilical cord blood are proliferated and activated. After separating and collecting, the HLA identical activated lymphocytes are employed as the main component of a composition for promoting survival of transplanted hematopoietic stem cells. The obtained composition is widely usable in, for instance, prevention of survival failure of transplanted hematopoietic stem cells and therapy for promoting the survival thereof. Although the dose of the composition varies depending on the age, conditions, etc. of a patient, a humanized antibody is administered in a dose of from 0.2 to 20 ml/kg/day to mammals including humans.
    Type: Application
    Filed: May 6, 2004
    Publication date: February 1, 2007
    Inventors: Kenzo Bamba, Yasuyuki Kuroiwa, Tomohiro Morio, Norio Shimizu
  • Publication number: 20050076877
    Abstract: To provide a power transmission system for a vehicle wherein a starter is simplified, the number of component parts is small, and a reduction in cost can be contrived. Thus, an excellent operationality at the time of starting is achieved. A power transmission system for a vehicle, including a clutch and a fluid transmission through both of which the rotational torque of a crankshaft of an internal combustion engine is transmitted to a load-side transmission mechanism, wherein the clutch and the fluid transmission are both provided on one side of the crankshaft, and a drive force of a starter is directly inputted to the other side of the crankshaft.
    Type: Application
    Filed: August 18, 2004
    Publication date: April 14, 2005
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yoshinobu Sawamura, Yukihiro Tsubakino, Teruo Kihara, Yasuyuki Kuroiwa, Hideki Ikeda, Kiyotaka Fujihara
  • Publication number: 20040086492
    Abstract: A treatment method more effective in treating tumors such as cancer by administering activated lymphocytes in combination with a photodynamic therapy procedure within a specific period of time preceding or following the procedure is provided. By treating the patient with the combination of PDT procedure and the activated lymphocyte administration, a remarkable effect is achieved in reducing and suppressing various types of tumors, including stomach cancer in particular, and also desirable results are achieved even when tumors not responsive to PDT procedure alone are treated in this manner, due to the synergy of the PDT procedure and the activated lymphocyte administration. Provided that the activated lymphocytes are used in combination with a PDT procedure, even activated lymphocytes not necessarily achieving cancer specificity can be expected to improve the treatment effect in destroying or suppressing the growth of tumors such as cancers.
    Type: Application
    Filed: September 5, 2003
    Publication date: May 6, 2004
    Inventors: Hideo Yanai, Kiwamu Okita, Yasuyuki Kuroiwa, Teruaki Sekine
  • Patent number: 6692958
    Abstract: Activated lymphocytes derived from cord blood are excellently effective for preventing and treating various types of tumors and various types of infection. With interleukin 2 and/or anti-CD3 antibody, the lymphocytes derived from the cord blood is prepared by segregating lymphocytes from the cord blood and proliferating the segregated lymphocytes directly in vitro or segregating monocytes from cord blood and proliferating the monocytes in vitro. Also, the cord blood-derived activated lymphocytes can be effectively used for preventing recurrence of the diseases and promoting the take of stem cells or other organs.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: February 17, 2004
    Assignee: Humantec Ltd.
    Inventors: Teruaki Sekine, Kiminari Ito, Norio Shimizu, Kenzo Bamba, Tomohiro Yamaguchi, Yasuyuki Kuroiwa
  • Publication number: 20030190306
    Abstract: According to the present invention, HLA matching donor-originating activated lymphocytes highly effective in the treatment of patients with tumors, viral infections and autoimmune diseases are prepared by collecting cells contained in peripheral blood originating from an HLA matching donor or peripheral blood originating from an HLA matching donor achieving micro-chimerism and by stimulating and propagating the cells thus collected with, for instance, interleukin 2 and anti-CD3 antibodies or the like. The HLA matching donor-originating activated lymphocytes thus prepared can be administered to an HLA matching patient with a tumor, a viral infection or an autoimmune disease for therapeutic or preventive purposes.
    Type: Application
    Filed: April 4, 2003
    Publication date: October 9, 2003
    Applicant: Lymphotec Inc.
    Inventors: Yasuyuki Kuroiwa, Tomohiro Morio, Norio Shimizu, Teruaki Sekine
  • Patent number: 6544514
    Abstract: Compositions or medicaments comprising allogenic activated-CD4+ cells as the main ingredient, which are attributable to an organ or bone marrow transplantation donor, have an extremely beneficial effect for preventing recidivation of a tumor and remedying various infections such as viral infections, and autoimmune diseases such as phagocytosis, without causing any serious GVHD. The allogenic activated-CD4+ cells can be produced by separating lymphocyte cells or CD4+ cells from peripheral blood of the donor or removing CD8+ cells from the peripheral blood of the donor by using anti-CD8+ antibodies to obtain CD4+ cells and proliferating the CD4+ cells thus prepared in proliferation activator.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: April 8, 2003
    Inventors: Teruaki Sekine, Kiminari Ito, Kenzo Bamba, Yasuyuki Kuroiwa
  • Publication number: 20030013074
    Abstract: This invention relates to a cell-preservation liquid having an excellent performance to preserve cells without serum nor culture solution, and a cell-preserving method using the cell-preservation liquid. The cell-preservation liquid containing neither serum nor culture solution comprises a main agent prepared by admixing albumin contained in phosphate buffer solution so far applied to preserve germ cells with dimethyl sulfoxide used as an additive to a conventional serum-contained preservation liquid. Further, the cell-preservation liquid optionally contains an auxiliary agent such as phosphate ion, divalent metal ions and monosaccharides according to need. Therefore, the preservation liquid has no need of containing serum and culture solution, consequently to be free from danger of denaturing the cells and causing the cells to be contaminated with unknown viruses.
    Type: Application
    Filed: August 2, 2002
    Publication date: January 16, 2003
    Inventors: Kenzo Bamba, Yasuyuki Kuroiwa, Teruaki Sekine
  • Publication number: 20020086063
    Abstract: Activated lymphocytes derived from cord blood are excellently effective for preventing and treating various types of tumors and various types of infection. With interleukin 2 and/or anti-CD3 antibody, the lymphocytes derived from the cord blood is prepared by segregating lymphocytes from the cord blood and proliferating the segregated lymphocytes directly in vitro or segregating monocytes from cord blood and proliferating the monocytes in vitro. Also, the cord blood-derived activated lymphocytes can be effectively used for preventing recurrence of the diseases and promoting the take of stem cells or other organs.
    Type: Application
    Filed: December 4, 2001
    Publication date: July 4, 2002
    Inventors: Teruaki Sekine, Kiminari Ito, Norio Shimizu, Kenzo Bamba, Tomohiro Yamaguchi, Yasuyuki Kuroiwa
  • Publication number: 20020001576
    Abstract: Medicaments or preparations containing allogenic activated-CD4+ cells as the main ingradient, which are attributable to an organ or bone marrow transplantation donor, have an extremely beneficial effect for preventing recidivation of a tumor and remedying various infections such as viral infections, and autoimmune diseases such as phagocytosis, without causing any serious GVHD. The allogenic activated-CD4+ cells can be produced by separating lymphocyte cells or CD4+ cells from peripheral blood of the donor or removing CD8+ cells from the peripheral blood of the donor by using anti-CD8+ antibodies to obtain CD4+ cells and proliferating the CD4+ cells thus prepared in a proliferation activator.
    Type: Application
    Filed: April 8, 1999
    Publication date: January 3, 2002
    Inventors: TERUAKI SEKINE, KIMINARI ITO, KENZO BAMBA, YASUYUKI KUROIWA
  • Patent number: 5908826
    Abstract: A freeze-dried monoclonal antibody preparation is prepared by adding to a solution of the monoclonal antibody gelatin or carboxylic acid or its salt, to prevent denaturation of the monoclonal antibodies during freeze-drying. Freeze-dried monoclonal antibody preparations having stablized antigen-binding activity result and may be used as an adminiculum for immunoauxotherapy for prophylaxis and treatment of bacterial infectious diseases and viral infectious diseases.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: June 1, 1999
    Assignee: Mitsui Toatsu Chemicals Inc.
    Inventors: Tamotsu Fukuda, Yukio Shimazaki, Yasuyuki Kuroiwa, Shiro Takagi
  • Patent number: 5114712
    Abstract: PSC-A is a new serological common antigen to Pseudomonas aeruginosa having very low toxicity, and highly effective for protecting infection by any of the serotypes of Pseudomonas aeruginosa. PSC-A can be used as the active component in a pharmaceutical agent for protecting Pseudomonas aeruginosa infection.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: May 19, 1992
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Tamotsu Fukuda, Shiro Shigeta, Hiroaki Okuya, Yasuyuki Kuroiwa, Tadashi Sudo
  • Patent number: 4702910
    Abstract: PSC-A is a new serological common antigen to Pseudomonas aeruginosa having very low toxicity, and highly effective for protecting infection by any of the serotypes of Pseudomonas aeruginosa. PSC-A can be used as the active component in a pharmaceutical agent for protecting Pseudonomas aeruginosa infection.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: October 27, 1987
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Tamotsu Fukuda, Shiro Shigeta, Hiroaki Okuya, Yasuyuki Kuroiwa, Tadashi Sudo