Patents by Inventor Shigeo Furuyoshi

Shigeo Furuyoshi 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: 20040222144
    Abstract: A safe and practically useful body fluid processor whereby blood taken out from a patient can be directly processed, characterized by having a favorable passage of the blood cell and showing an extremely low risk of the generation and leakage of microparticles. Namely, a body fluid processor enabling direct hemoperfusion wherein the ratio of sedimented particles to the volume of the space in which the particles for processing body fluid are to be packed is 100% or less and the space in which the particles for processing body fluid are to be packed in the body fluid processor is filled with the particles for processing body fluid and a filling liquid at a ratio of 95% or more but not more than 100%.
    Type: Application
    Filed: October 10, 2003
    Publication date: November 11, 2004
    Inventors: Masaru Nakatani, Akira Kobayashi, Shigeo Furuyoshi
  • Patent number: 6790365
    Abstract: There are provided an adsorbent which can effectively adsorb and remove endogenous cannabinoid in fluid, and a process for removing endogenous cannabinoid in fluid by means of the adsorbent. The adsorbent of endogenous cannabinoid comprising an adsorbent for endogenous cannabinoid comprising a water-insoluble material containing a substance whose solubility parameter &dgr; is at most 12 ((cal/cm3)1/2) is obtained. Endogenous cannabinoid in fluid can be effectively adsorbed and removed by contacting the adsorbent of endogenous cannabinoid with fluid containing endogenous cannabinoid.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: September 14, 2004
    Assignee: Kaneka Corporation
    Inventors: Fumiyasu Hirai, Tamiji Fujimoto, Hiroshi Sakurai, Shigeo Furuyoshi
  • Publication number: 20040120946
    Abstract: The present invention has for its object to provide an adsorbent for an antibody against &bgr;1-adrenoceptor and/or an antibody against M2 muscarinic receptor, which is capable of efficient and selective adsorption of an antibody against &bgr;1-adrenoceptor and/or an antibody against M2 muscarinic receptor occurring in a body fluid without requiring a pretreatment of the body fluid. A further object is to provide an adsorption apparatus utilizing this adsorbent and a method for adsorbing an antibody against &bgr;1-adrenoceptor and/or an antibody against M2 muscarinic receptor.
    Type: Application
    Filed: November 15, 2002
    Publication date: June 24, 2004
    Inventors: Eiji Ogino, Shigeo Furuyoshi, Fumiyasu Hirai, Takehiro Nishimoto
  • Publication number: 20040004041
    Abstract: An adsorbent for cardiac glycoside contained in body fluid, comprising a compound having a log P value of at least 6 immobilized on a water-insoluble carrier is provided. A process for adsorbing and removing cardiac glycoside contained in body fluid efficiently, which comprises contacting body fluid with this adsorbent for cardiac glycoside is provided.
    Type: Application
    Filed: June 17, 2003
    Publication date: January 8, 2004
    Inventors: Junko Hiiro, Shigeo Furuyoshi, Satoshi Takata, Shuichi Tsuruoka, Akio Fujimura
  • Patent number: 6559290
    Abstract: An adsorbent for removing a chemokine except interleukin-8 in body fluid, which comprises a solid material having an anionic functional group, a method for efficiently removing a chemokine except interleukin-8 in body fluid, which comprises by bringing the above adsorbent into contact with body fluid containing the chemokine and an adsorber for removing a chemokine except for interleukin-8 using the above adsorbent.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: May 6, 2003
    Assignee: Kaneka Corporation
    Inventors: Masaru Nakatani, Shigeo Furuyoshi, Satoshi Takata
  • Publication number: 20030003438
    Abstract: An adsorbent for peptidoglycan which comprises an water-insoluble porous material having an amino group and having a molecular weight of exclusion limit of at least 50,000, and a method for removing peptidoglycan by adsorption, which comprises a step of contacting the adsorbent to a liquid containing peptidoglycan.
    Type: Application
    Filed: May 29, 2002
    Publication date: January 2, 2003
    Inventors: Fumiyasu Hirai, Shigeo Furuyoshi
  • Patent number: 6475478
    Abstract: There are provided an adsorbent which can effectively adsorb and remove endogenous cannabinoid in fluid, and a process for removing endogenous cannabinoid in fluid by means of the adsorbent. The adsorbent of endogenous cannabinoid is obtained by fixing a compound having a log P value (P indicating distribution coefficient in octanol-water system) of at least 3.50 on a water-insoluble carrier. Endogenous cannabinoid in fluid can be adsorbed and removed in an effective manner by contacting the adsorbent of endogenous cannabinoid with fluid containing endogenous cannabinoid.
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: November 5, 2002
    Assignee: Kaneka Corporation
    Inventors: Fumiyasu Hirai, Tamiji Fujimoto, Hiroshi Sakurai, Shigeo Furuyoshi
  • Publication number: 20020062099
    Abstract: There are provided an adsorbent which can effectively adsorb and remove endogenous cannabinoid in fluid, and a process for removing endogenous cannabinoid in fluid by means of the adsorbent. The adsorbent of endogenous cannabinoid comprising an adsorbent for endogenous cannabinoid comprising a water-insoluble material containing a substance whose solubility parameter &dgr; is at most 12 ((cal/ cm3)½) is obtained. Endogenous cannabinoid in fluid can be effectively adsorbed and removed by contacting the adsorbent of endogenous cannabinoid with fluid containing endogenous cannabinoid.
    Type: Application
    Filed: September 25, 2001
    Publication date: May 23, 2002
    Applicant: KANEKA CORPORATION
    Inventors: Fumiyasu Hirai, Tamiji Fujimoto, Hiroshi Sakurai, Shigeo Furuyoshi
  • Publication number: 20020058032
    Abstract: The present invention is directed to an enterotoxin adsorbent comprising a compound having a log P (P denotes a partition coefficient in an octanol-water system) value of not less than 2.50 as immobilized on a water-insoluble carrier.
    Type: Application
    Filed: September 25, 2001
    Publication date: May 16, 2002
    Inventors: Fumiyasu Hirai, Tamiji Fujimoto, Shigeo Furuyoshi
  • Publication number: 20020045157
    Abstract: There are provided an adsorbent which can effectively adsorb and remove endogenous cannabinoid in fluid, and a process for removing endogenous cannabinoid in fluid by means of the adsorbent. The adsorbent of endogenous cannabinoid is obtained by fixing a compound having a log P value (P indicating distribution coefficient in octanol-water system) of at least 3.50 on a water-insoluble carrier. Endogenous cannabinoid in fluid can be adsorbed and removed in an effective manner by contacting the adsorbent of endogenous cannabinoid with fluid containing endogenous cannabinoid.
    Type: Application
    Filed: August 21, 2001
    Publication date: April 18, 2002
    Applicant: KANEKA CORPORATION
    Inventors: Fumiyasu Hirai, Tamiji Fujimoto, Hiroshi Sakurai, Shigeo Furuyoshi
  • Publication number: 20010021525
    Abstract: An adsorbent suitable for adsorption of a transforming growth factor-&bgr; (TGF-&bgr;) comprising a compound which has a log P value of at least 2.50 wherein P is a partition coefficient in an octanol-water system and which is immobilized on a water-insoluble carrier. TGF-&bgr; present in a body fluid can be efficiently removed by bringing the body fluid into contact with the adsorbent.
    Type: Application
    Filed: February 2, 2001
    Publication date: September 13, 2001
    Applicant: KANEKA CORPORATION
    Inventors: Fumiyasu Hirai, Tamiji Fujimoto, Shigeo Furuyoshi
  • Patent number: 5919898
    Abstract: An adsorbent for removing at least one interleukin selected from the group consisting of inerleukin-1, interleukin-2, interleukin-6 and interluekin-8 and/or TNF, which comprises a porous water-insolube carrier and a compound satisfying the value of log P of at least 2.50, in which P is a distribution coefficient in an octanol-water system and being immobilized onto the carrier, a process for removing the above IL(s) and/or TNF by the adsorbent and an adsorber comprising the adsorbent. According to the present invention, IL(s) and TNF in body fluid can be efficiently absorbed using the above-mentioned adsorbent.
    Type: Grant
    Filed: January 24, 1996
    Date of Patent: July 6, 1999
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Masaru Nakatani, Shigeo Furuyoshi, Satoshi Takata
  • Patent number: 4814077
    Abstract: An adsorbent for lipoproteins which is a water-insoluble matrix having, on at least a part of the surface thereof, a group of the formula --NR.sup.1 R.sup.2 wherein R.sup.1 is hydrogen, methyl group or ethyl group; R.sup.2 is an atomic group having an aromatic ring satisfying that the value of log P, in which P is a distribution coefficient in a water-octanol system, of a compound of the formula R.sup.2 H is from 0 to 3.2 and an apparatus for removing lipoproteins using the above adsorbent. The lipoprotein adsorbent has such advantages as a low cost, a good stability and a sufficient adsorption selectivity for adsorbing LDL and VLDL in a fluid containing lipoproteins.
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: March 21, 1989
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Shigeo Furuyoshi, Nobutaka Tani
  • Patent number: 4744899
    Abstract: A process for steam-sterilizing an adsorbent for use in extracorporeal circulation treatment comprising a water-insoluble support and a sulfated polysaccharide immobilized on the support, characterized by sterilizing the adsorbent in an aqueous medium maintainted at pH 5 to 9, whereby the sulfated polysaccharide is prevented from releasing from the support and being deactivated. When the water-insoluble support/sulfated polysaccharide adsorbent is packed in a column with an aqueous buffer solution having a pH 5 to 9 to provide an adsorption column for use in extracorporeal circulation treatment, release and deactivation of the sulfated polysaccharide are prevented and the column can be stored for a long term.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: May 17, 1988
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Nobutaka Tani, Tsutomu Okuyama, Shigeo Furuyoshi
  • Patent number: 4721730
    Abstract: An adsorbent for .beta..sub.2 -microglobulin and immunoglobulin L-chain suitable for use in an extracorporeal circulation treatment, which comprises a porous water-insoluble carrier and a compound immobilized onto said carrier, said compound satisfying that the value of log P, in which P is a partition coefficient in an octanol-water system, is not less than 2.5. The adsorbent is inexpensive, and efficiently adsorb and remove .beta..sub.2 -microglobulin and immunoglobulin L-chain contained in a body fluid.
    Type: Grant
    Filed: May 29, 1987
    Date of Patent: January 26, 1988
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Shigeo Furuyoshi, Eiji Ogino, Nobutaka Tani
  • Patent number: 4656261
    Abstract: A lipoprotein adsorbent for use in extracorporeal circulation treatment which is made of a water-insoluble porous hard gel which has an exclusion limit value from 10.sup.6 to 10.sup.9 measured by using glubular proteins and comprises a polymer having hydroxy group in at least a part of the molecule, at least a part of hydroxy groups on the surface of said gel being converted to sulfates. By using the adsorbent of the present invention, LDL and VLDL can be selectively and effectively removed from the body fluids of the patient. Further, the adsorbent of the present invention can be prepared in a lower cost than the adsorbent based on the principle of the affinity chromatography, in which a relatively expensive ligand is employed.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: April 7, 1987
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Shigeo Furuyoshi, Nobutaka Tani
  • Patent number: 4654420
    Abstract: A lipoprotein adsorbent for use in extracorporeal circulation treatment which is made of a water-insoluble porous hard gel which has an exclusion limit value from 10.sup.6 to 10.sup.9 measured by using glubular proteins and comprises a polymer having hydroxy group in at least a part of the molecule, at least a part of hydroxy groups on the surface of said gel being converted to sulfates. By using the adsorbent of the present invention, LDL and VLDL can be selectively and effectively removed from the body fluids of the patient. Further, the adsorbent of the present invention can be prepared in a lower cost than the adsorbent based on the principle of the affinity chromatography, in which a relatively expensive ligand is employed.
    Type: Grant
    Filed: June 23, 1986
    Date of Patent: March 31, 1987
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Shigeo Furuyoshi, Nobutaka Tani