Patents by Inventor Shinya Takuma

Shinya Takuma 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: 20220380827
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Application
    Filed: August 4, 2022
    Publication date: December 1, 2022
    Applicants: Hoffmann-La Roche Inc., Chugai Seiyaku Kabushiki Kaisha
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Publication number: 20220282298
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 8, 2022
    Applicants: Hoffmann-La Roche Inc., Chugai Seiyaku Kabushiki Kaisha
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Patent number: 11377678
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: July 5, 2022
    Assignees: Hoffman-La Roche Inc., Chugai Seiyaku Kabushiki Kaisha
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Publication number: 20210381020
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Application
    Filed: August 20, 2021
    Publication date: December 9, 2021
    Applicants: Hoffmann-La Roche Inc., Chugai Seiyaku Kabushiki Kaisha
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Patent number: 11136610
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: October 5, 2021
    Assignees: Hoffmann-La Roche Inc., Chugai Seiyaku Kabushiki Kaisha
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Publication number: 20210246478
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Application
    Filed: April 28, 2021
    Publication date: August 12, 2021
    Applicants: Hoffmann-La Roche Inc., Chugai Seiyaku Kabushiki Kaisha
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Patent number: 11021728
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: June 1, 2021
    Assignees: Hoffmann-La Roche Inc., Chugai Seiyaku Kabushiki Kaisha
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Publication number: 20200181669
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Applicants: Hoffmann-La Roche Inc., Chugai Seiyaku Kabushiki Kaisha
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Publication number: 20200080125
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Application
    Filed: November 13, 2019
    Publication date: March 12, 2020
    Applicants: Hoffmann-La Roche Inc., Chugai Seiyaku Kabushiki Kaisha
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Patent number: 10501769
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: December 10, 2019
    Assignees: Hoffmann-La Roche Inc., Chugai Seiyaku Kabushiki Kaisha
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Patent number: 9714410
    Abstract: It is an object of the present invention to allow a cell to produce a protein at a high level using a medium containing an enzymatic degradation product of fish meat or a fish meat extract. A method of culturing a cell comprising starting culturing in an initial medium and feeding at least once a feed medium to the initial medium during culturing, wherein at least one of the initial medium or the feed medium contains an enzymatic degradation product of fish meat or a fish meat extract added thereto. A method of producing a protein of interest using the above culture method.
    Type: Grant
    Filed: December 26, 2005
    Date of Patent: July 25, 2017
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Susumu Goto, Shohei Kishishita, Shinya Takuma, Chikashi Hirashima
  • Publication number: 20160186228
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Application
    Filed: September 3, 2015
    Publication date: June 30, 2016
    Applicants: CHUGAI SEIYAKU KABUSHIKI KAISHA, HOFFMANN-LA ROCHE INC.
    Inventors: Reinhard Franze, Chikashi Hirashima, Thomas Link, Yoshinori Takagi, Shinya Takuma, Yuriko Tsuda
  • Publication number: 20130295613
    Abstract: While a desired protein is prepared by culturing an animal cell that produces the protein to cause the protein to be produced, level of heterogeneity components of the protein is modulated by performing the culture at a normal culture temperature for a certain period and then continuing the culture at a culture temperature lowered to 25-35° C.
    Type: Application
    Filed: December 28, 2011
    Publication date: November 7, 2013
    Inventors: Shohei Kishishita, Tomoko Okui, Yasuharu Shinoda, Shinya Takuma
  • Publication number: 20110117087
    Abstract: Herein is reported a method for the production of an immunoglobulin comprising the following steps: a) providing a eukaryotic cell comprising a nucleic acid encoding the immunoglobulin, b) cultivating the eukaryotic cell in a cultivation medium wherein the amount of glucose available in the cultivation medium per time unit is kept constant and limited to less than 80% of the amount that could maximally be utilized by the cells in the cultivation medium per time unit, and c) recovering the immunoglobulin from the culture.
    Type: Application
    Filed: October 25, 2010
    Publication date: May 19, 2011
    Inventors: REINHARD FRANZE, Thomas Link, Shinya Takuma, Yoshinori Takagi, Chikashi Hirashima, Yuriko Tsuda
  • Publication number: 20080124761
    Abstract: It is an object of the present invention to allow a cell to produce a protein at a high level using a medium containing an enzymatic degradation product of fish meat or a fish meat extract. A method of culturing a cell comprising starting culturing in an initial medium and feeding at least once a feed medium to the initial medium during culturing, wherein at least one of the initial medium or the feed medium contains an enzymatic degradation product of fish meat or a fish meat extract added thereto. A method of producing a protein of interest using the above culture method.
    Type: Application
    Filed: December 26, 2005
    Publication date: May 29, 2008
    Inventors: Susumu Goto, Shohei Kishishita, Shinya Takuma, Chikashi Hirashima