Patents by Inventor Mayumi Hasegawa

Mayumi Hasegawa 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: 12251682
    Abstract: A production method comprises the steps of obtaining a mixed slurry by adding an alumina component and at least one selected from an alumina component and a clay mineral to a binder containing a silicon oxide; obtaining a metal trapping precursor by mixing the mixed slurry with a compound of a first metal component and heating the mixed slurry of metal component; and obtaining a metal trapping by drying and calcining the metal trapping precursor. A metal trapping comprises: a binder mainly containing silicon oxide, one or two selected from an alumina component and a clay mineral, and an oxide of a first metal component; having no peak of silicate of the first metal component detected in X-ray diffraction analysis, having an attrition resistance index CAI within a predetermined range. A fluid catalytic cracking catalyst comprises the metal trapping, a zeolite component, a binder component, and a clay mineral component.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: March 18, 2025
    Assignee: JGC Catalysts and Chemicals Ltd.
    Inventors: Mayumi Eto, Takaki Mizuno, Tomohiro Mitsui, Hiroshi Yamazaki, Hiroki Hasegawa
  • Patent number: 6807685
    Abstract: This invention relates to a garment with a crotch part used in contact with skin, including: a garment main body including a stretchable crotch cloth piece; and a second crotch cloth piece on which an absorbent article is to be applied and held, provided on the inner side of the crotch cloth piece of the garment main body, wherein the second crotch cloth piece is mounted to the garment main body at its front and rear edges and is mounted to the crotch cloth piece of the garment main body at least in one portion of its center line, and right and left edges of the second crotch cloth piece are not bonded to the garment main body and are in free state. An absorbent article can be held at a determined position on the crotch part of the garment with stability and security. The garment also is excellent in close contact to the pudendal cleft region, is difficult to be steamed in use, and has fine appearance and good wearing comfort after mounting an absorbent article.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: October 26, 2004
    Assignee: Walcoal Corp.
    Inventors: Mayumi Hasegawa, Naomi Shibata, Michiko Aoki, Namiko Tachiiri