Patents by Inventor Junji Yoshinaga

Junji Yoshinaga 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: 12349652
    Abstract: An animal toilet includes a body portion, and a partition portion. The body portion has a bottom face part and a side face part, and is in a box shape. The partition portion is in a plate shape, and divides the inside of the body portion vertically. The partition portion has a through hole that allows urine to pass therethrough. The thickness of the partition portion in a surrounding part around the through hole is smaller than the thickness of the partition portion in a remaining part that is the part other than the surrounding part.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: July 8, 2025
    Assignee: DAIKI CO., LTD.
    Inventor: Junji Yoshinaga
  • Publication number: 20250212835
    Abstract: An animal toilet includes a body portion, and a partition portion. The body portion receives excreted urine. The partition portion divides an internal space of the body portion into an upper space and a lower space. The partition portion has a plurality of through holes allowing the urine to pass therethrough. The plurality of through holes include a first through hole, and a second through hole. The second through hole is located at the same height as the first through hole and outside the first through hole. An opening area of the second through hole is smaller than an opening area of the first through hole.
    Type: Application
    Filed: March 24, 2025
    Publication date: July 3, 2025
    Applicant: DAIKI Co., Ltd.
    Inventor: Junji YOSHINAGA
  • Publication number: 20250212834
    Abstract: An animal toilet includes a body portion. The body portion has a bottom face part and a side face part. A grain for treating urine of an animal is laid in the body portion. The side face part is provided with an opening. The opening is for inserting a urine collection tool used for collecting the urine above the grain.
    Type: Application
    Filed: March 24, 2025
    Publication date: July 3, 2025
    Applicant: DAIKI Co., Ltd.
    Inventor: Junji YOSHINAGA
  • Patent number: 12324408
    Abstract: An excrement treatment material is composed of a grain that has a hydrophobic property. The grain contains a water-absorbent material as a main material, and contains baking soda.
    Type: Grant
    Filed: October 18, 2023
    Date of Patent: June 10, 2025
    Assignee: DAIKI CO., LTD.
    Inventors: Junji Yoshinaga, Shinobu Hatanaka, Takahiro Hosoya
  • Patent number: 12324406
    Abstract: An animal toilet includes a partition portion, an upper space, and a lower space. The partition portion has a through hole allowing urine to pass therethrough. The upper space is present above the partition portion, and is a space in which a plurality of grains are disposed. The lower space is present below the partition portion, and is a space in which the urine having passed through the through hole accumulates. The partition portion includes a wall part. The wall part is provided around the through hole on a lower surface of the partition portion, and projects toward the lower space.
    Type: Grant
    Filed: September 19, 2023
    Date of Patent: June 10, 2025
    Assignee: DAIKI CO., LTD.
    Inventor: Junji Yoshinaga
  • Publication number: 20250143253
    Abstract: An excrement treatment material includes a grain for treating excrement of an animal. The grain contains a moisturizing component that moisturizes a skin of the animal.
    Type: Application
    Filed: January 8, 2025
    Publication date: May 8, 2025
    Applicant: DAIKI Co., Ltd.
    Inventor: Junji YOSHINAGA
  • Publication number: 20250143252
    Abstract: An excrement treatment material absorbs cat urine. The excrement treatment material includes a grain that has a water absorbing property. The grain contains an inhibitor that inhibits a protein in cat urine.
    Type: Application
    Filed: January 8, 2025
    Publication date: May 8, 2025
    Applicant: DAIKI CO., LTD.
    Inventor: Junji YOSHINAGA
  • Patent number: 12233399
    Abstract: A water absorption treatment material absorbs a liquid containing a malodorous substance, and includes a first grain and a second grain. The first grain consists essentially of a porous material having an action of deodorizing the malodorous substance. The second grain contains a water-absorptive material other than the porous material as its main material.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: February 25, 2025
    Assignee: DAIKI CO., LTD.
    Inventor: Junji Yoshinaga
  • Patent number: 12232483
    Abstract: An animal toilet includes a body portion, and a partition portion. The body portion has a bottom face part and a side face part, and is in a box shape. The partition portion is in a plate shape, and divides the inside of the body portion vertically. The partition portion has a through hole that allows urine to pass therethrough. The thickness of the partition portion in a surrounding part around the through hole is smaller than the thickness of the partition portion in a remaining part that is the part other than the surrounding part. The surrounding part around the through hole inclines downward toward the through hole.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: February 25, 2025
    Assignee: DAIKI CO., LTD.
    Inventor: Junji Yoshinaga
  • Publication number: 20250000051
    Abstract: A water absorption treatment material is a water absorption treatment material that absorbs liquid containing a malodorous substance. The water absorption treatment material includes a grain. The grain has a water absorbing property. The grain contains papers, silica gel, and diatomaceous earth as three major materials.
    Type: Application
    Filed: September 13, 2024
    Publication date: January 2, 2025
    Applicant: DAIKI CO., LTD.
    Inventor: Junji YOSHINAGA
  • Patent number: 12178186
    Abstract: An excrement treatment material is constituted by a water-repellent grain. The grain exhibits a first color before being used, and exhibits a second color that is different from the first color when it is time to replace the grain.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: December 31, 2024
    Assignee: DAIKI CO., LTD.
    Inventors: Junji Yoshinaga, Shinobu Hatanaka
  • Publication number: 20240381834
    Abstract: An excrement treatment material is composed of a plurality of grains having a hydrophobic property. The plurality of grains include a first grain and a second grain. The second grain has a smaller hydrophobicity rate than the first grain.
    Type: Application
    Filed: July 30, 2024
    Publication date: November 21, 2024
    Applicant: DAIKI CO., LTD.
    Inventor: Junji YOSHINAGA
  • Publication number: 20240357992
    Abstract: An animal toilet includes a body portion, and a partition portion. The body portion receives excreted urine. The partition portion divides the internal space of the body portion into an upper space and a lower space. The partition portion has a plurality of through holes allowing the urine to pass therethrough. The plurality of through holes include a first through hole, and a second through hole. The second through hole is located higher than the first through hole. The opening area of the first through hole is larger than the opening area of the second through hole.
    Type: Application
    Filed: July 8, 2024
    Publication date: October 31, 2024
    Applicant: DAIKI CO., LTD.
    Inventor: Junji Yoshinaga
  • Publication number: 20240251749
    Abstract: A water absorption treatment material includes a plurality of grains having a water absorbing property. Each of the grains contains rice flour as a main material.
    Type: Application
    Filed: March 6, 2024
    Publication date: August 1, 2024
    Applicant: DAIKI CO., LTD.
    Inventor: Junji YOSHINAGA
  • Publication number: 20240215530
    Abstract: An animal toilet includes a partition portion, an upper space, a lower space, and a urine collection receptacle. The partition portion has a through hole allowing urine to pass therethrough. The upper space is present above the partition portion, and is a space in which a plurality of grains are disposed. The lower space is present below the partition portion, and is a space in which the urine having passed through the through hole falls. The urine collection receptacle is a receptacle that collects the urine. A bottom face of the lower space inclines so that the urine having fallen in the lower space will flow toward the urine collection receptacle.
    Type: Application
    Filed: March 14, 2024
    Publication date: July 4, 2024
    Applicant: DAIKI CO., LTD.
    Inventor: Junji YOSHINAGA
  • Publication number: 20240188530
    Abstract: An animal toilet includes a body portion, a hood, and a blower. The body portion has a bottom face part and a side face part, and is in a box shape. The hood is provided so as to cover the body portion from above. The hood has an entrance for an animal. The blower is provided in an internal space of the hood.
    Type: Application
    Filed: February 20, 2024
    Publication date: June 13, 2024
    Applicant: DAIKI CO., LTD.
    Inventor: Junji YOSHINAGA
  • Patent number: 11980162
    Abstract: A water absorption treatment material includes a first grain and a second grain that absorb a liquid. The first grain includes a first core portion and a first coating portion. The first core portion has a grain-like shape. The first coating portion contains an adhesive material, and entirely covers the first core portion. The second grain includes a second core portion and a second coating portion. The second core portion has a grain-like shape. The second coating portion contains an adhesive material, and partially covers the second core portion.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: May 14, 2024
    Assignee: DAIKI CO., LTD.
    Inventor: Junji Yoshinaga
  • Publication number: 20240140694
    Abstract: An excrement treatment material includes a plurality of grains, and a packaging bag. The plurality of grains are grains for treating excrement. The plurality of grains are housed in the packaging bag. A charge amount of an inner surface of the packaging bag is larger than a charge amount of an outer surface of the packaging bag.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Applicant: DAIKI CO., LTD.
    Inventor: Junji YOSHINAGA
  • Patent number: 11911746
    Abstract: A method for manufacturing a water absorption treatment material made of a plurality of grains includes a preparing step, a pulverizing step, a core portion forming step, and a coating portion forming step. The preparing step is a step of preparing a paper powder to which water-absorbent polymers adhere, the paper powder being derived from a sanitary product. The pulverizing step is a step of pulverizing remaining polymers using a pulverizer. The core portion forming step is a step of forming a core portion constituting each of the grains The coating portion forming step is a step of forming a coating portion so as to cover the core portion, the coating portion containing the paper powder, and the remaining polymers pulverized in the pulverizing step. In the pulverizing step, the remaining polymers left in a state of adhering to the paper powder are subjected to the pulverizer.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: February 27, 2024
    Assignee: DAIKI CO., LTD.
    Inventor: Junji Yoshinaga
  • Publication number: 20240040990
    Abstract: An excrement treatment material is composed of a grain that has a hydrophobic property. The grain contains a water-absorbent material as a main material, and contains baking soda.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 8, 2024
    Applicant: DAIKI CO., LTD.
    Inventors: Junji YOSHINAGA, Shinobu HATANAKA, Takahiro HOSOYA