Patents by Inventor Katsumi Murata

Katsumi Murata 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: 20110104248
    Abstract: It is an object to enhance immunopotentiating activity of a glycosphingolipid.
    Type: Application
    Filed: March 24, 2008
    Publication date: May 5, 2011
    Applicants: FOODCHEMIFA CO., LTD., School Juridicial Person Kitasato Institute
    Inventors: Yoshio Kumazawa, Hiroaki Takimoto, Joe Inoue, Masahiro Kubota, Takashi Nozawa, Katsumi Murata
  • Publication number: 20100008878
    Abstract: A propylene glycol hyaluronate having an esterification degree of from 10 to 90% and a limiting viscosity of less than 3 dL/g has an excellent percutaneous absorption-promoting effect, and is widely usable as cosmetics and pharmaceutical products.
    Type: Application
    Filed: August 1, 2008
    Publication date: January 14, 2010
    Applicant: Foodchemifa Co., Ltd
    Inventors: Hideki Hirai, Makoto Watanabe, Takashi Nozawa, Katsumi Murata
  • Publication number: 20060269524
    Abstract: Provided is more effective a cell activator. A cell activator comprising a glycosphingolipid having a structure represented by the following formula (1): formula (1) wherein R1 represents the following formula (1-1): formula (1-1) wherein R3 represents alkyl or alkenyl and R4 represents alkyl; and R2 represents hydrogen, or ?-galactose, ?-glucose, ?-mannose, ?-glucosamine, ?-glucosamine or a combination thereof.
    Type: Application
    Filed: February 21, 2005
    Publication date: November 30, 2006
    Applicants: KIBUN FOOD CHEMIFA CO., LTD., Yoshi Kumazawa
    Inventors: Yoshio Kumazawa, Katsumi Murata, Kazuyoshi Kawahara, Hiroaki Takimoto
  • Patent number: 6723704
    Abstract: A glycosphingolipid having a sugar chain containing &agr;-glucosamine and &bgr;-glucosamine is disclosed. Such glycosphingolipid is advantageous in that possibly being manufactured in a facile and inexpensive manner, and that exhibiting moisturizing effect and immuno-enhancing activity.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: April 20, 2004
    Assignees: Kibun Food Chemifa Co., Ltd., The Kitasato Institute
    Inventors: Kazuyoshi Kawahara, Katsumi Murata
  • Patent number: 6514744
    Abstract: A sphingoglycolipid represented by the following formula: obtained from a bacterium of the genus Sphingomonas, further from the species paucimobilis, capsulate or adhaesiva, after being washed with acetone and then extracted with alcohol or alcohol-water mixture. R1 represents a sugar portion of a single uronic acid or one to four hexoses of uronic acid, glucosamine, galactose and/or mannose; R2 represents an alkyl group which may have a cycloalkyl group, an alkenyl group or an alkynyl group; and R3 represents an alkyl group.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: February 4, 2003
    Assignee: Kibun Food Chemifa Co., Ltd.
    Inventors: Katsumi Murata, Takashi Nozawa, Hisako Hara, Michiki Asai, Sachio Wakayama
  • Publication number: 20020164351
    Abstract: A white fungus of genus Sphingomonas, when washed with acetone and then extracted with alcohol or alcohol-water mixture yields a shingoglycolipid represented by the following formula: 1
    Type: Application
    Filed: December 12, 2001
    Publication date: November 7, 2002
    Applicant: KIBUN FOOD CHEMIFA CO., LTD.
    Inventors: Katsumi Murata, Takashi Nozawa, Hisako Hara, Michiki Asai, Sachio Wakayama
  • Publication number: 20020037291
    Abstract: A glycosphingolipid having a sugar chain containing &agr;-glucosamine and &bgr;-glucosamine is disclosed. Such glycosphingolipid is advantageous in that possibly being manufactured in a facile and inexpensive manner, and that exhibiting moisturizing effect and immuno-enhancing activity.
    Type: Application
    Filed: June 29, 2001
    Publication date: March 28, 2002
    Applicant: KIBUN FOOD CHEMIFA CO., LTD.
    Inventors: Kazuyoshi Kawahara, Katsumi Murata
  • Patent number: 6348201
    Abstract: The present application discloses an external composition for skin comprising a component obtaind by washing a bacterium of the genus Sphingomonas with acetone and then extracting the resultant with alcohol or alcohol-water mixture; an external composition for skin comprising a component extracted from a white bacterium of the genus Sphingomonas; and an external composition for skin comprising a sphingoglycolipid represented by the following formula: where, R1 represents a sugar portion consisting of a single uronic acid or one to four hexoses selected from a group consisting of uronic acid, glucosamine, galactose and mannose; R2 represents an alkyl group which may have a cycloalkyl group, an alkenyl group or an alkynyl group; and R3 represents an alkyl group; these alkyl, alkenyl and alkynyl groups being straight or branched, and substituted or unsubstituted. These external compositions for skin exhibit excellent moisturizing and skin roughnes prevention effects.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: February 19, 2002
    Assignee: Kibun Food Chemifa Co., Ltd.
    Inventors: Katsumi Murata, Takashi Nozawa, Hisako Hara, Michiki Asai, Sachio Wakayama
  • Publication number: 20020006414
    Abstract: The present application discloses an external composition for skin comprising a component obtained by washing a fungus of genus Sphingomonas with acetone and then extracting the resultant with alcohol or alcohol-water mixture; an external composition for skin comprising a component extracted from a white fungi of genus Sphingomonas; and an external composition for skin comprising a sphingoglycolipid represented by the following formula: 1
    Type: Application
    Filed: May 27, 1998
    Publication date: January 17, 2002
    Inventors: KATSUMI MURATA, TAKASHI NOZAWA, HISAKO HARA, MICHIKI ASAI, SACHIO WAKAYAMA
  • Patent number: 6306915
    Abstract: The present invention provides a method of making an emulsified composition employing an emulsifier containing a sphingoglycolipid which has a structure represented by the following formula: wherein R1 is a saccharide moiety which consists of three to four hexoses selected from the group consisting of uronic acid, glucosamine, galactose, and mannose, or one uronic acid; R2 is an alkyl group, which may have a cycloalkyl group, an alkenyl group, or an alkynyl group; and R3 is an alkyl group. The alkyl group, the alkenyl group and the alkynyl group may have a normal chain or a branched chain, and may be substituted or unsubstituted. The emulsifier of the present invention has marked moisturizing effect, skin roughening preventing effect, and emulsifying effect.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: October 23, 2001
    Assignee: Kibun Food Chemifa Co., Ltd
    Inventor: Katsumi Murata
  • Patent number: 5348875
    Abstract: The present invention relates to alginase produced by bacteria belonging to the genus and a process for production thereof and bacteria as well as a method for decomposing alginic acid.
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: September 20, 1994
    Assignees: Kabushikikaisha Kibun Shokuhin, Kabushikikaisha Kibun Foodchemifa
    Inventors: Katsumi Murata, Kazuo Murakami, Isao Kusakabe, Toshihide Satoh
  • Patent number: 4877622
    Abstract: Protein obtained by coagulating soymilk with microbially produced protease within a pH range not causing acid coagulation and at a temperature higher than the optimum operation temperature of the protease provides food material of desirable flavor and high processability.
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: October 31, 1989
    Assignees: Kabushikikiaisha Kibun, Kabushikikiaisha Kibun Foodchemifa
    Inventors: Hiroshi Kiuchi, Katsumi Murata, Kazuo Murakami, Isao Kusakabe, Hideyuki Kobayashi
  • Patent number: 4806367
    Abstract: Soybean milk is treated with protease at a pH in the range which does not cause acid coagulation in the presence of a magnesium salt as a concentration in the range which does not substantially cause magnesium coagulation, to flocculate protein in soybean milk, thereby a food material having good mouthfeel and high processability may be obtained.
    Type: Grant
    Filed: May 29, 1987
    Date of Patent: February 21, 1989
    Assignees: Kabushikikaisha Kibun, Kabushikikaisha Kibun Foodchemifa
    Inventors: Hiroshi Kiuchi, Katsumi Murata, Kazuo Murakami, Isao Kusakabe, Hideyuki Kobayashi