Patents by Inventor Shunichi Fujikawa

Shunichi Fujikawa 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).

Carboxymethyl-group-containing modified hyaluronic acid and/or salt thereof and/or production method for carboxymethyl-group-containing modified hyaluronic acid and/or salt thereof

Patent number: 10155824

Abstract: A method of producing a carboxymethyl-group-containing modified hyaluronic acid and/or a salt thereof includes a step of subjecting, in a water-containing solvent having a temperature of 30° C. or less, a dissolved raw material hyaluronic acid and/or a salt thereof to a reaction with a haloacetic acid and/or a salt thereof, the water-containing solvent including water or a liquid mixture of a water-soluble organic solvent and water, a ratio of the water-soluble organic solvent in the liquid mixture being 60 v/v % or less.

Type: Grant

Filed: October 7, 2014

Date of Patent: December 18, 2018

Assignee: KEWPIE CORPORATION

Inventors: Shunichi Fujikawa, Yukina Abe, Kazunori Asaoka, Takushi Yoshida
Hyaluronic Acid Derivative and Manufacturing Method Therefor and Cosmetics, Food Composition, and Pharmaceutical Composition Containing Hyaluronic Acid Derivative

Publication number: 20180086852

Abstract: A method for manufacturing a hyaluronic acid derivative includes a step of reacting a carboxymethyl group-containing modified hyaluronic acid and/or a salt thereof with an organic compound containing an amino group and having a molecular weight of equal to or greater than 90.

Type: Application

Filed: March 30, 2016

Publication date: March 29, 2018

Applicant: Kewpie Corporation

Inventors: Yukina Abe, Hideto Yoshida, Shunichi Fujikawa, Atsushi Ohno
CARBOXYMETHYL-GROUP-CONTAINING MODIFIED HYALURONIC ACID AND/OR SALT THEREOF AND/OR PRODUCTION METHOD FOR CARBOXYMETHYL-GROUP-CONTAINING MODIFIED HYALURONIC ACID AND/OR SALT THEREOF

Publication number: 20160244534

Abstract: A method of producing a carboxymethyl-group-containing modified hyaluronic acid and/or a salt thereof includes a step of subjecting, in a water-containing solvent having a temperature of 30° C. or less, a dissolved raw material hyaluronic acid and/or a salt thereof to a reaction with a haloacetic acid and/or a salt thereof, the water-containing solvent including water or a liquid mixture of a water-soluble organic solvent and water, a ratio of the water-soluble organic solvent in the liquid mixture being 60 v/v % or less.

Type: Application

Filed: October 7, 2014

Publication date: August 25, 2016

Applicant: KEWPIE CORPORATION

Inventors: Shunichi Fujikawa, Yukina Abe, Kazunori Asaoka, Takushi Yoshida
Modified hyaluronic acid and/or a salt thereof, method for producing the same, and cosmetic preparation comprising the same

Patent number: 9107842

Abstract: A modified hyaluronic acid and/or a salt thereof comprises a glycerin skeleton-containing group shown by the following general formula (1), —O—CH2—CHOH—CH2—OR1??(1) wherein, R1 represents a linear or branched alkyl group, or a linear or branched alkenyl group.

Type: Grant

Filed: February 18, 2011

Date of Patent: August 18, 2015

Assignee: Kewpie Corporation

Inventors: Shunichi Fujikawa, Masanori Kurokawa
Cationized hyaluronic acid and/or salt thereof, method of producing the same, hair modifying agent, cuticle repairing agent, skin modifying agent, and cosmetic preparation each using the same

Patent number: 8410076

Abstract: A cationized hyaluronic acid and/or a salt thereof includes a quaternary ammonium group-containing group, and has a degree of cationization of 0.15 to 0.6.

Type: Grant

Filed: April 23, 2008

Date of Patent: April 2, 2013

Assignee: Q.P. Corporation

Inventors: Kazunori Asaoka, Shunichi Fujikawa, Tomoyuki Kanemitsu, Wakako Sakamoto
MODIFIED HYALURONIC ACID AND/OR A SALT THEREOF, METHOD FOR PRODUCING THE SAME, AND COSMETIC PREPARATION COMPRISING THE SAME

Publication number: 20120316329

Abstract: A modified hyaluronic acid and/or a salt thereof comprises a glycerin skeleton-containing group shown by the following general formula (1), —O—CH2—CHOH—CH2—OR1??(1) wherein, R1 represents a linear or branched alkyl group, or a linear or branched alkenyl group.

Type: Application

Filed: February 18, 2011

Publication date: December 13, 2012

Applicant: KEWPIE CORPORATION

Inventors: Shunichi Fujikawa, Masanori Kurokawa
CATIONIZED HYALURONIC ACID AND/OR SALT THEREOF, METHOD OF PRODUCING THE SAME, HAIR MODIFYING AGENT, CUTICLE REPAIRING AGENT, SKIN MODIFYING AGENT, AND COSMETIC PREPARATION EACH USING THE SAME

Publication number: 20100197904

Abstract: A cationized hyaluronic acid and/or a salt thereof includes a quaternary ammonium group-containing group, and has a degree of cationization of 0.15 to 0.6.

Type: Application

Filed: April 23, 2008

Publication date: August 5, 2010

Applicant: Q. P. Corporation

Inventors: Kazunori Asaoka, Shunichi Fujikawa, Tomoyuki Kanemitsu, Wakako Sakamoto

Carboxymethyl-group-containing modified hyaluronic acid and/or salt thereof and/or production method for carboxymethyl-group-containing modified hyaluronic acid and/or salt thereof

Hyaluronic Acid Derivative and Manufacturing Method Therefor and Cosmetics, Food Composition, and Pharmaceutical Composition Containing Hyaluronic Acid Derivative

CARBOXYMETHYL-GROUP-CONTAINING MODIFIED HYALURONIC ACID AND/OR SALT THEREOF AND/OR PRODUCTION METHOD FOR CARBOXYMETHYL-GROUP-CONTAINING MODIFIED HYALURONIC ACID AND/OR SALT THEREOF

Modified hyaluronic acid and/or a salt thereof, method for producing the same, and cosmetic preparation comprising the same

Cationized hyaluronic acid and/or salt thereof, method of producing the same, hair modifying agent, cuticle repairing agent, skin modifying agent, and cosmetic preparation each using the same

MODIFIED HYALURONIC ACID AND/OR A SALT THEREOF, METHOD FOR PRODUCING THE SAME, AND COSMETIC PREPARATION COMPRISING THE SAME

CATIONIZED HYALURONIC ACID AND/OR SALT THEREOF, METHOD OF PRODUCING THE SAME, HAIR MODIFYING AGENT, CUTICLE REPAIRING AGENT, SKIN MODIFYING AGENT, AND COSMETIC PREPARATION EACH USING THE SAME