Patents by Inventor Mitsunori Nishita

Mitsunori Nishita 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: 11945724
    Abstract: Disclosed herein are activated carbons having a high decolorization performance in a liquid phase, and methods for producing the activated carbons. Disclosed herein are also activated carbons having a high decolorization performance in liquid phases having relatively high viscosities, such as sugar liquids, and methods for producing the activated carbons. Activated carbons disclosed herein include activated carbons having a pore volume, which is calculated by measuring a nitrogen adsorption isotherm at 77 K and performing the MP method analysis, of 0.58 mL/g or less, and having a pore volume at a pore diameter of 10 to 10000 nm measured by the mercury intrusion method of 0.35 mL/g or more.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: April 2, 2024
    Assignee: KURARAY CO., LTD.
    Inventors: Hiroaki Kitatomi, Mitsunori Nishita, Mitsunori Hitomi, Takayuki Yamada
  • Patent number: 11857943
    Abstract: Disclosed herein are activated carbons having high decolorization performance in liquid phases, especially in liquid phases having relatively high viscosities, such as sugar liquids, and methods for producing the activated carbons. Activated carbons disclosed herein include activated carbons having a pore volume at a pore diameter of 10 to 10000 nm measured by the mercury intrusion method of 0.8 to 1.9 mL/g, and having a pore volume at a pore diameter of 300 to 1000 nm measured by the mercury intrusion method of 0.19 mL/g or more.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: January 2, 2024
    Assignee: KURARAY CO., LTD.
    Inventors: Hiroaki Kitatomi, Mitsunori Nishita, Mitsunori Hitomi, Takayuki Yamada
  • Publication number: 20220143572
    Abstract: The present invention relates to an activated carbon, having a pore volume (A) of 0.3 to 0.7 mL/g at a pore diameter of 6.5 to 50 nm as determined by mercury intrusion porosimetry, a pore volume (B) of 0.23 mL/g or less at a pore diameter of 750 to 4,000 nm as determined by mercury intrusion porosimetry, and a pore volume ratio (A)/(B) of 1.7 or higher.
    Type: Application
    Filed: February 14, 2020
    Publication date: May 12, 2022
    Applicant: KURARAY CO., LTD.
    Inventors: Hiroaki KITATOMI, Mitsunori NISHITA, Mitsunori HITOMI, Takayuki YAMADA
  • Publication number: 20220135410
    Abstract: The present invention relates to an activated carbon, having a BET specific surface area (A) of 1,250 to 1,800 m2/g as determined from a carbon dioxide adsorption isotherm, and a ratio (B)/(C) of 0.640 or lower between a pore volume (B) mL/g at a pore diameter of 0.4 to 0.7 nm and a pore volume (C) mL/g at a pore diameter of 0.7 to 1.1 nm as determined by performing a grand canonical Monte Carlo simulation on a carbon dioxide adsorption-desorption isotherm.
    Type: Application
    Filed: March 2, 2020
    Publication date: May 5, 2022
    Applicant: KURARAY CO., LTD.
    Inventors: Mitsunori NISHITA, Mitsunori HITOMI, Takayuki YAMADA
  • Publication number: 20210070617
    Abstract: To provide an activated carbon molded article which can satisfactorily adsorb an evaporated fuel emitted from an automobile and can achieve low evaporated fuel emission performance during the long-time parking of an automobile. An activated carbon molded article having a specific surface area per volume, which is calculated from a specific surface area determined by the BET multipoint method and a packing density determined in accordance with JIS K 1474, of 290 to 520 m2/mL, and also having an outer surface area per volume of 1.4 m2/L or more.
    Type: Application
    Filed: December 14, 2018
    Publication date: March 11, 2021
    Applicant: KURARAY CO., LTD.
    Inventors: Takaharu YAMAMOTO, Mitsunori NISHITA, Mitsunori HITOMI, Takayuki YAMADA
  • Publication number: 20200338527
    Abstract: Disclosed herein are activated carbons having high decolorization performance in liquid phases, especially in liquid phases having relatively high viscosities, such as sugar liquids, and methods for producing the activated carbons. Activated carbons disclosed herein include activated carbons having a pore volume at a pore diameter of 10 to 10000 nm measured by the mercury intrusion method of 0.8 to 1.9 mL/g, and having a pore volume at a pore diameter of 300 to 1000 nm measured by the mercury intrusion method of 0.19 mL/g or more.
    Type: Application
    Filed: December 14, 2018
    Publication date: October 29, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Hiroaki KITATOMI, Mitsunori NISHITA, Mitsunori HITOMI, Takayuki YAMADA
  • Publication number: 20200331763
    Abstract: Disclosed herein are activated carbons having a high decolorization performance in a liquid phase, and methods for producing the activated carbons. Disclosed herein are also activated carbons having a high decolorization performance in liquid phases having relatively high viscosities, such as sugar liquids, and methods for producing the activated carbons. Activated carbons disclosed herein include activated carbons having a pore volume, which is calculated by measuring a nitrogen adsorption isotherm at 77 K and performing the MP method analysis, of 0.58 mL/g or less, and having a pore volume at a pore diameter of 10 to 10000 nm measured by the mercury intrusion method of 0.35 mL/g or more.
    Type: Application
    Filed: December 14, 2018
    Publication date: October 22, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Hiroaki KITATOMI, Mitsunori NISHITA, Mitsunori HITOMI, Takayuki YAMADA
  • Patent number: 8864877
    Abstract: To provide an adsorbent which achieves a low-emission performance while maintaining the adsorption performance for adsorbing an evaporated fuel component, a canister comprising the adsorbent, and a method for reducing evaporated fuel emission. A second adsorbent (e.g., a granule) filled in a second compartment disposed in a downstream side with respect to a first compartment comprises an activated carbon as an adsorption site and a solid diluent as a non-adsorption site. The adsorbent has a difference in n-butane adsorption volume of not less than 35 g/L between a n-butane vapor concentration of 5% by volume and a n-butane vapor concentration of 50% by volume measured at 25° C., a butane working capacity measured in accordance with ASTM D5228 of not less than 8 g/dL, and a butane desorption rate of not less than 45% when a purge air amount measured in accordance with ASTM D5228 is 30 bed volumes of the adsorbent volume.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: October 21, 2014
    Assignee: Kuraray Chemical Co., Ltd.
    Inventors: Mitsunori Nishita, Mitsunori Hitomi, Takayuki Yamada
  • Patent number: D918821
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: May 11, 2021
    Assignee: KURARAY CO., LTD.
    Inventors: Takaharu Yamamoto, Mitsunori Nishita, Mitsunori Hitomi, Takayuki Yamada
  • Patent number: D918822
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: May 11, 2021
    Assignee: KURARAY CO., LTD.
    Inventors: Takaharu Yamamoto, Mitsunori Nishita, Mitsunori Hitomi, Takayuki Yamada
  • Patent number: D918823
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: May 11, 2021
    Assignee: KURARAY CO., LTD.
    Inventors: Takaharu Yamamoto, Mitsunori Nishita, Mitsunori Hitomi, Takayuki Yamada
  • Patent number: D954232
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: June 7, 2022
    Assignee: KURARAY CO., LTD.
    Inventors: Takaharu Yamamoto, Mitsunori Nishita, Mitsunori Hitomi, Takayuki Yamada