Patents by Inventor Hirohiko Kato

Hirohiko Kato 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: 20240057825
    Abstract: A film-packaged product with excellent withdrawability of sheets of sanitary tissue paper has a bundle of sanitary tissue paper packaged with a flexible resin film, and includes a dispenser-port-forming region formed by disposing an easy-tear line in a loop in the top face, the region has a narrowed section extending widthwise in the middle of the depth direction, flaring sections each gradually flaring with increasing distance from the narrowed section outward widthwise, and curved convex sections each bulging convexly outward widthwise, and the width of the region is 70% or more the width of the top face, a maximum depth of the region is 10 to 40% the depth of the top face, the width of the narrowed section is 50 to 70% the length of the top face, and the depth of the narrowed section is 0.5 to 10% the depth of the top face.
    Type: Application
    Filed: March 16, 2022
    Publication date: February 22, 2024
    Inventor: Hirohiko KATO
  • Patent number: 11485563
    Abstract: A packaging bag with a body for storing a plurality of articles to be packaged, wherein the body has a top surface part, a bottom surface part that opposes the top surface part in the vertical direction, and a plurality of lateral surface parts that are arranged between the top surface part and the bottom surface part; a slash part for opening is provided to at least one of the plurality of lateral surface parts; and the slash part has a first slit that extends from near the top surface part to near the bottom surface part in the vertical direction, and a second slit that is contiguous to one end of the first slit on the top surface part side and that extends in the traverse direction intersecting the vertical direction.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: November 1, 2022
    Assignee: DAIO PAPER CORPORATION
    Inventor: Hirohiko Kato
  • Patent number: 11447321
    Abstract: A packaging bag with a body for storing a plurality of articles to be packaged, wherein the body has a top surface part, a bottom surface part that opposes the top surface part in the vertical direction, and a plurality of lateral surface parts that are arranged between the top surface part and the bottom surface part; a slash part for opening is provided to at least one of the plurality of lateral surface parts; and the slash part has a first slit that extends from near the top surface part to near the bottom surface part in the vertical direction, and a second slit that is contiguous to one end of the first slit on the top surface part side and that extends in the traverse direction intersecting the vertical direction.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: September 20, 2022
    Assignee: DAIO PAPER CORPORATION
    Inventor: Hirohiko Kato
  • Publication number: 20220183514
    Abstract: To provide a film-packaged tissue excellent in extracting tissue paper from a take-out port. The problem is solved by a film-packaged tissue having a pop-up type bundle of sheets of tissue paper packaged by a resin packaging film, in which the film-packaged tissue has: ring-shaped take-out port forming perforations formed in a bundle longitudinal direction on a top surface thereof; and a slit or a perforation that is continuous with or close to an edge of the take-out port forming perforations in the longitudinal direction, extends parallel to or in a direction away from a center line extending in a short direction at the center of the take-out port forming perforations in the longitudinal direction, and does not reach an edge of the top surface.
    Type: Application
    Filed: February 12, 2020
    Publication date: June 16, 2022
    Applicant: Daio Paper Corporation
    Inventor: Hirohiko KATO
  • Patent number: 11358774
    Abstract: This sheet package includes a sheet roll obtained by winding a sheet on a cylindrical core in the circumferential direction thereof; and a packaging bag that stores the sheet roll, wherein at least one end surface, in the roll width direction, of the sheet roll faces the top surface of the packaging bag, the cylindrical core has an opening in which the end edge of the sheet roll on one end surface side is opened, and a first slit is formed on the top surface so as to overlap the opening of the cylindrical core.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: June 14, 2022
    Assignee: DAIO PAPER CORPORATION
    Inventor: Hirohiko Kato
  • Patent number: 11253129
    Abstract: A hygienic thin-leaf paper including a first sheet having front and back surfaces, on which embossed protrusions and embossed recesses corresponding to the embossed protrusions are respectively formed; and a second sheet having front and back surfaces, on which embossed protrusions and embossed recesses corresponding to the embossed protrusions are respectively formed, wherein the first sheet and the second sheet are integrated by facing the surfaces formed with the embossed protrusions in a nested form, wherein each of the first sheet and the second sheet have an embossed portion, on which the embossed protrusions and non-embossed-protrusion portions are formed, wherein at least one of the first sheet and the second sheets have a non-embossed portion, on which the embossed protrusions and the non-embossed portions are not formed, and wherein the non-embossed portion is in a shape without having an intersection.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: February 22, 2022
    Assignee: DAIO PAPER CORPORATION
    Inventors: Shinichi Warashina, Hirohiko Kato
  • Publication number: 20220009689
    Abstract: A packaging bag with a body for storing a plurality of articles to be packaged, wherein the body has a top surface part, a bottom surface part that opposes the top surface part in the vertical direction, and a plurality of lateral surface parts that are arranged between the top surface part and the bottom surface part; a slash part for opening is provided to at least one of the plurality of lateral surface parts; and the slash part has a first slit that extends from near the top surface part to near the bottom surface part in the vertical direction, and a second slit that is contiguous to one end of the first slit on the top surface part side and that extends in the traverse direction intersecting the vertical direction.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Applicant: DAIO PAPER CORPORATION
    Inventor: Hirohiko KATO
  • Patent number: 11192325
    Abstract: A hygienic thin-leaf paper includes a first sheet (10) including first embossed regions (30) in each of which first embossed protrusions (31) and first non-embossed protrusions (32) are included, the first sheet including first non-embossed regions (50) in each of which a first embossed protrusion (31) and a first non-embossed protrusion (32) are not included; and a second sheet (20) including second embossed regions (40) in each of which second embossed protrusions (41) and second non-embossed protrusions (42) are included, the second sheet including second non-embossed regions (60) in each of which a second embossed protrusion (41) and a second non-embossed protrusion (42) are not included.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: December 7, 2021
    Assignee: DAIO PAPER CORPORATION
    Inventors: Shinichi Warashina, Hirohiko Kato
  • Publication number: 20210207328
    Abstract: A kitchen paper roll includes a kitchen paper that is formed by joining two sheets in a nested manner and is wound to form the kitchen paper roll. Each of the sheets includes an embossed region. The density of embossed protrusions on each of the sheets is greater than or equal to 0.075/mm2 and less than or equal to 0.2/mm2, the winding density of the kitchen paper is greater than or equal to 0.12 m/cm2 and less than or equal to 0.27 m/cm2, and the ratio of a minimum embossment area to a maximum embossment area in the kitchen paper is greater than or equal to 0.51.
    Type: Application
    Filed: June 3, 2019
    Publication date: July 8, 2021
    Inventor: Hirohiko KATO
  • Publication number: 20210002053
    Abstract: This sheet package includes a sheet roll obtained by winding a sheet on a cylindrical core in the circumferential direction thereof; and a packaging bag that stores the sheet roll, wherein at least one end surface, in the roll width direction, of the sheet roll faces the top surface of the packaging bag, the cylindrical core has an opening in which the end edge of the sheet roll on one end surface side is opened, and a first slit is formed on the top surface so as to overlap the opening of the cylindrical core.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 7, 2021
    Applicant: DAIO PAPER CORPORATION
    Inventor: Hirohiko KATO
  • Publication number: 20210002052
    Abstract: A packaging bag with a body for storing a plurality of articles to be packaged, wherein the body has a top surface part, a bottom surface part that opposes the top surface part in the vertical direction, and a plurality of lateral surface parts that are arranged between the top surface part and the bottom surface part; a slash part for opening is provided to at least one of the plurality of lateral surface parts; and the slash part has a first slit that extends from near the top surface part to near the bottom surface part in the vertical direction, and a second slit that is contiguous to one end of the first slit on the top surface part side and that extends in the traverse direction intersecting the vertical direction.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 7, 2021
    Applicant: DAIO PAPER CORPORATION
    Inventor: Hirohiko KATO
  • Publication number: 20200171783
    Abstract: A hygienic thin-leaf paper includes a first sheet (10) including first embossed regions (30) in each of which first embossed protrusions (31) and first non-embossed protrusions (32) are included, the first sheet including first non-embossed regions (50) in each of which a first embossed protrusion (31) and a first non-embossed protrusion (32) are not included; and a second sheet (20) including second embossed regions (40) in each of which second embossed protrusions (41) and second non-embossed protrusions (42) are included, the second sheet including second non-embossed regions (60) in each of which a second embossed protrusion (41) and a second non-embossed protrusion (42) are not included.
    Type: Application
    Filed: August 29, 2018
    Publication date: June 4, 2020
    Inventors: Shinichi WARASHINA, Hirohiko KATO
  • Publication number: 20190380556
    Abstract: A hygienic thin-leaf paper including a first sheet having front and back surfaces, on which embossed protrusions and embossed recesses corresponding to the embossed protrusions are respectively formed; and a second sheet having front and back surfaces, on which embossed protrusions and embossed recesses corresponding to the embossed protrusions are espectively formed, wherein the first sheet and the second sheet are integrated by facing the surfaces formed with the embossed protrusions in a nested form, wherein each of the first sheet and the second sheet have an embossed portion, on which the embossed protrusions and non-embossed-protrusion portions are formed, wherein at least one of the first sheet and the second sheets have a non-embossed portion, on which the embossed protrusions and the non-embossed portions are not formed, and wherein the non-embossed portion is in a shape without having an intersection.
    Type: Application
    Filed: March 2, 2018
    Publication date: December 19, 2019
    Inventors: Shinichi WARASHINA, Hirohiko KATO
  • Patent number: 5100771
    Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains at least one water-insoluble and organic solvent soluble homopolymer or copolymer and at least one yellow coupler of the formula: ##STR1## wherein R.sub.1 represents a tertiary alkyl group or an aryl group; R.sub.2 represents a hydrogen atom, a halogen atom or an alkoxy group; R.sub.3 represents an alkyl group or an aryl group; and X represents a group capable of being released upon a coupling reaction with an oxidation product of an aromatic primary amine developing agent.The silver halide color photographic material has high sensitivity and excellent sharpness, color reproducibility and preservability, before and after processing, as is free from sweating.
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: March 31, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keiji Mihayashi, Hirohiko Kato, Hidetoshi Kobayashi
  • Patent number: 4923790
    Abstract: A silver halide photographic material composed of a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the material contains the combination of (i) at least one compound represented by formula (I) and (ii) and at least one compound represented by formulae (II) and/or (III): ##STR1## wherein R.sub.1 represents hydrogen, an alkyl group, an aryl group or an aralkyl group; X represents a halogen atom, a nitro group, a hydroxyl group, a cyano group, a lower alkyl group, a lower alkoxy group, --COR.sub.2, ##STR2## or --SO.sub.3 M; R.sub.2 represents hydrogen, --OM, a lower alkyl group, an aryl group, an aralkyl group, a lower alkoxy group, an aryloxy group, an aralkyloxy group or ##STR3## R.sub.3 and R.sub.4 each represents hydrogen, a lower alkyl group, an aryl group, an aralkyl group, --COR.sub.7 or --SO.sub.2 R.sub.7 ; R.sub.5 and R.sub.6 each represents hydrogen, a lower alkyl group, an aryl group or an aralkyl group; R.sub.
    Type: Grant
    Filed: September 22, 1988
    Date of Patent: May 8, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hirohiko Kato, Keiji Mihayashi, Kazuhiro Aikawa
  • Patent number: 4840877
    Abstract: A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color photographic material contains a magenta dye forming coupler represented by the general formula (I) and a compound represented by the general formula (II) in the same layer ##STR1## wherein R.sub.1 is represents an aromatic group, an aliphatic group or a heterocyclic group; R.sub.2 represents a substituent; Za, Zb, Zc and Zd, which may be the same or different, each represents an unsubstituted methine group, a substituted methine group or --N.dbd.,(R'--COO.sup.-).sub.n M.sup.n+ (II)wherein R' represents a substituent which imparts a diffusion-resistant property to the compound represented by the general formula (II); M.sup.n+ represents a hydrogen ion, a metal ion or an ammonium ion; and n represents an integer from 1 to 4.
    Type: Grant
    Filed: September 9, 1987
    Date of Patent: June 20, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akira Abe, Keiji Mihayashi, Hidetoshi Kobayashi, Hirohiko Kato
  • Patent number: 4536472
    Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, at least one of these silver halide emulsion layers containing a non-diffusible coupler which forms a properly smearing diffusible dye upon reaction with the oxidation product of a color developing agent together with a monodispersed silver halide emulsion. The silver halide color photographic light-sensitive material provides color images having not only an improved RMS granularity but also an improved visual sensation of graininess.
    Type: Grant
    Filed: January 19, 1984
    Date of Patent: August 20, 1985
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hirohiko Kato, Seiji Ichijima, Keiichi Adachi, Toshiyuki Watanabe