Patents by Inventor Takeshi Ikegami

Takeshi Ikegami 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: 20090000558
    Abstract: An animal litter box includes: an upper container, which having an upper opening for animals to come in and out, and a bottom portion, which allows fluid to pass through and over which particulate matter is spread; and a lower container having a lower opening provided below the bottom portion, and a holding portion for disposing a fluid absorbing sheet container in which the fluid absorbing sheet which absorbs fluid passing through the bottom portion is laid, wherein a fitting portion for fitting to an edge of a lower opening of the lower container is provided at a side or bottom of the upper container. The fitting portion is preferably a stepped portion or a concave portion.
    Type: Application
    Filed: June 25, 2008
    Publication date: January 1, 2009
    Applicant: Uni-Charm Petcare Corporation
    Inventors: Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima, Nobuaki Namikawa
  • Publication number: 20090000556
    Abstract: To provide an animal litter box that is easy to clean and whose setup space is not large. An animal litter boxequipped with an excreta container; a lower container; and a hood, the hood has a fixed hood at a backside; a movable hood disposed at a front side; and a pair of linking portions. The movable hood is formed with an opening. When the movable hood is changed from a closed state to an opened state, the protruding height T3 that is the difference of the height T1 of the highest portion in the track of movement of the movable hood and the height T2 of the highest portion of the animal litter box when the movable hood is in a closed state is lower than the height T4 of the movable hood.
    Type: Application
    Filed: June 25, 2008
    Publication date: January 1, 2009
    Applicant: Uni-Charm Petcare Corporation
    Inventors: Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima
  • Publication number: 20090000561
    Abstract: The present invention provides an animal waste collection sheet effectively inhibiting the leakage of urine, the unclean appearance and the damp or chill surface without increasing the thickness and weight of the top sheet unnecessarily, thus improving the handling property thereof. For example, the animal waste collection sheet is planar and is consisted of a top sheet which is liquid permeable, a back sheet which is liquid impermeable and an absorbent sheet disposed between the top sheet and the back sheet. The top sheet is consisted of a non-woven fabric with convex and concave portions on the surface thereof. The top sheet is preferably a non-woven fabric alternately having a plurality of groove portions and a plurality of convex portions formed in a fixed direction.
    Type: Application
    Filed: June 25, 2008
    Publication date: January 1, 2009
    Applicant: Uni-Charm Petcare Corporation
    Inventors: Masayuki Takahashi, Takeshi Ikegami
  • Patent number: 7467600
    Abstract: Provided is a litter, related to litter used for animal litter, which suppresses odors due to excretory substances remaining in litter and litter container using thereof. This animal litter comprises a plurality of granular materials, one part of a surface thereof comprising first granular material having water-shedding properties and second granular material having liquid-absorbing properties.
    Type: Grant
    Filed: August 22, 2005
    Date of Patent: December 23, 2008
    Assignee: Uni-Charm Petcare Corporation
    Inventors: Takeshi Ikegami, Takayuki Matsuo, Shingo Shimizu
  • Publication number: 20080271679
    Abstract: Disclosed is a pet sheet including a backsheet, a liquid-permeable topsheet and a liquid absorbent layer which is smaller than the backsheet and disposed between the backsheet and the topsheet. The backsheet extends beyond the liquid absorbent layer to provide side regions outside the liquid absorbent layer. A hydrophilic sheet is provided above the backsheet in the side regions.
    Type: Application
    Filed: July 11, 2008
    Publication date: November 6, 2008
    Applicant: Unicharm Petcare corporation
    Inventors: Shinya KANEKO, Takeshi Ikegami
  • Publication number: 20080191195
    Abstract: According to the nitride semiconductor device with the active layer made of the multiple quantum well structure of the present invention, the performance of the multiple quantum well structure can be brought out to intensify the luminous output thereof thereby contributing an expanded application of the nitride semiconductor device.
    Type: Application
    Filed: March 12, 2008
    Publication date: August 14, 2008
    Applicant: NICHIA CORPORATION
    Inventors: Koji TANIZAWA, Tomotsugu MITANI, Yoshinori NAKAGAWA, Hironori TAKAGI, Hiromitsu MARUI, Yoshikatsu FUKUDA, Takeshi IKEGAMI
  • Patent number: 7402838
    Abstract: According to the nitride semiconductor device with the active layer made of the multiple quantum well structure of the present invention, the performance of the multiple quantum well structure can be brought out to intensify the luminous output thereof thereby contributing an expanded application of the nitride semiconductor device. In the nitride semiconductor device comprises an n-region having a plurality of nitride semiconductor films, a p-region having a plurality of nitride semiconductor films, and an active layer interposed therebetween, a multi-film layer with two kinds of the nitride semiconductor films is formed in at least one of the n-region or the p-region.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: July 22, 2008
    Assignee: Nichia Corporation
    Inventors: Koji Tanizawa, Tomotsugu Mitani, Yoshinori Nakagawa, Hironori Takagi, Hiromitsu Marui, Yoshikatsu Fukuda, Takeshi Ikegami
  • Patent number: 7387085
    Abstract: Animal litter includes a plurality of granular materials, each having a water-shedding part and a liquid-absorbing part.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: June 17, 2008
    Assignee: Uni-Charm Petcare Corporation
    Inventors: Takeshi Ikegami, Takayuki Matsuo, Shingo Shimizu
  • Patent number: 7380519
    Abstract: A pet litter box includes a litter container for storing liquid-passing litter and a liquid-absorbing sheet tray for holding a liquid-absorbing sheet. The front-back direction of the liquid-absorbing sheet can be changed without removing the liquid-absorbing sheet from the tray. The pet litter box includes a litter box main body having an opening from which pets enter. The litter box main body includes a litter container for storing liquid-passing litter formed of plural of granular materials provided therein, a liquid-absorbing sheet placed below the litter container for absorbing the liquid passing through the litter, and a liquid-absorbing sheet tray for holding the liquid-absorbing sheet. The liquid absorbing sheet tray can be withdrawn and removed from the front of the litter box main body and reversible in the front-back direction.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: June 3, 2008
    Assignee: Uni-Charm Petcare Corporation
    Inventors: Takeshi Ikegami, Takayuki Matsuo
  • Publication number: 20080012174
    Abstract: A pet waste absorption sheet includes: a liquid-impermeable backsheet; a liquid-permeable topsheet; and an absorbent core disposed between the backsheet and the topsheet. The topsheet has a chemical solution containing at least one component selected from the group consisting of perfume, deodorant, and sterilant.
    Type: Application
    Filed: June 13, 2007
    Publication date: January 17, 2008
    Applicant: UNI-CHARM PETCARE CORPORATION
    Inventors: Masayuki Takahashi, Shinya Kaneko, Takeshi Ikegami
  • Publication number: 20070149941
    Abstract: A method of manufacturing an absorbent article for animals is provided, wherein U-shaped fixing parts(3,30) are mounted to each side edge of a base material(20) of a diaper main body, and then separated into fixing protrusions(31) along a cutout line(41) to serve as movable parts(21,22), thereby allowing firm tightening to the crural area of hind legs and the trunk.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 28, 2007
    Applicant: UNI-CHARM PETCARE CORPORATION
    Inventors: Takeshi IKEGAMI, Kenji HIROSHIMA
  • Patent number: 7195618
    Abstract: The present invention provides a diaper for a male pet which is not displaced even when the diaper is fitted on a male pet for a long time and can cover a urethral opening of the male pet and can surely capture urine or the like.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: March 27, 2007
    Assignee: Uni-Charm Petcare Corporation
    Inventor: Takeshi Ikegami
  • Publication number: 20070063207
    Abstract: According to the nitride semiconductor device with the active layer made of the multiple quantum well structure of the present invention, the performance of the multiple quantum well structure can be brought out to intensify the luminous output thereof thereby contributing an expanded application of the nitride semiconductor device.
    Type: Application
    Filed: November 16, 2006
    Publication date: March 22, 2007
    Inventors: Koji Tanizawa, Tomotsugu Mitani, Yoshinori Nakagawa, Hironori Takagi, Hiromitsu Marui, Yoshikatsu Fukuda, Takeshi Ikegami
  • Patent number: 7193246
    Abstract: According to the nitride semiconductor device with the active layer made of the multiple quantum well structure of the present invention, the performance of the multiple quantum well structure can be brought out to intensify the luminous output thereof thereby contributing an expanded application of the nitride semiconductor device. In the nitride semiconductor device comprises an n-region having a plurality of nitride semiconductor films, a p-region having a plurality of nitride semiconductor films, and an active layer interposed therebetween, a multi-film layer with two kinds of the nitride semiconductor films is formed in at least one of the n-region or the p-region.
    Type: Grant
    Filed: March 10, 1999
    Date of Patent: March 20, 2007
    Assignee: Nichia Corporation
    Inventors: Koji Tanizawa, Tomotsugu Mitani, Yoshinori Nakagawa, Hironori Takagi, Hiromitsu Marui, Yoshikatsu Fukuda, Takeshi Ikegami
  • Publication number: 20060288948
    Abstract: A pet litter box includes a litter container for storing liquid-passing litter and a liquid-absorbing sheet tray for holding a liquid-absorbing sheet. The front-back direction of the liquid-absorbing sheet can be changed without removing the liquid-absorbing sheet from the tray. A pet litter box comprises a litter box main body having an opening from which pets enter. The litter box main body comprises a litter container for storing liquid-passing litter formed of plural of granular materials provided therein, a liquid-absorbing sheet placed below the litter container for absorbing the liquid passing through the litter, and a liquid-absorbing sheet tray for holding the liquid-absorbing sheet. The liquid absorbing sheet tray can be withdrawn and removed from the front of the litter box main body and reversible in the front-back direction.
    Type: Application
    Filed: June 23, 2006
    Publication date: December 28, 2006
    Applicant: UNI-CHARM PETCARE CORPORATION
    Inventors: Takeshi IKEGAMI, Takayuki MATSUO
  • Patent number: 7131396
    Abstract: An animal toilet is provided that can be cleaned easily, particularly an animal toilet that allows liquid such as urine evacuated therein to move to a liquid-absorbing sheet efficiently. The animal toilet includes a dripping container having an opening for an animal entering and exiting, and a liquid penetrating bottom part on which liquid is dispersed; and a liquid-absorbing sheet holder placed under the bottom part of the dripping container on which a liquid-absorbing sheet is placed, in which the bottom part of the dripping container has a liquid leading part formed by connected arches on a side facing the liquid-absorbing sheet.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: November 7, 2006
    Assignee: Uni-Charm Petcare Corporation
    Inventors: Takayuki Matsuo, Takeshi Ikegami
  • Publication number: 20060217678
    Abstract: An absorbent article for an animal has an interior surface for facing the animal and an exterior surface opposite the interior surface. The absorbent article includes an abdomen part for facing the abdomen of the animal and a back part for facing the back of the animal. Two engaging members, which are capable of being removably secured to the exterior surface of the back part, are provided on each side of the abdomen part and spaced apart from each other in a longitudinal direction along which the abdomen and back parts are arranged.
    Type: Application
    Filed: February 10, 2006
    Publication date: September 28, 2006
    Applicant: Uni-Charm Petcare Corporation
    Inventors: Takeshi Ikegami, Kenji Hiroshima
  • Publication number: 20060200104
    Abstract: A pet waste absorption sheet includes a liquid-impermeable backsheet, a liquid-permeable topsheet, and an absorbent core disposed between the backsheet and the topsheet. The topsheet is a resin film formed with a plurality of apertures for passage of liquid. The topsheet is bonded to the absorbent core through a hot-melt type adhesive. The hot-melt type adhesive is applied in a plurality of continuous lines including curved portions.
    Type: Application
    Filed: February 17, 2006
    Publication date: September 7, 2006
    Applicant: Uni-Charm Petcare Corporation
    Inventors: Shinya Kaneko, Takeshi Ikegami
  • Publication number: 20060200105
    Abstract: A pet waste absorption sheet includes: a liquid-impermeable backsheet; a liquid-permeable topsheet; and an absorbent core disposed between the backsheet and the topsheet. The topsheet has a chemical solution containing at least one component selected from the group consisting of perfume, deodorant, and sterilant.
    Type: Application
    Filed: January 9, 2006
    Publication date: September 7, 2006
    Applicant: UNI-CHARM PETCARE CORPORATION
    Inventors: Masayuki Takahashi, Shinya Kaneko, Takeshi Ikegami
  • Publication number: 20060124068
    Abstract: An animal litter box is to be provided that can be cleaned easily and can reduce the number of time to change an animal litter, particularly an animal litter box that allows liquid such as urine evacuated onto the granular materials to move to a liquid-absorbing sheet efficiently. An animal litter box includes a granular material container having an opening for an animal going in and out, and a liquid penetrating bottom part on which granular materials are dispersed; and a liquid-absorbing sheet holder placed under the bottom part of the granular material container on which a liquid-absorbing sheet is placed, wherein the bottom part of the granular material container has a liquid leading part formed by connected arches on a side facing the liquid-absorbing sheet.
    Type: Application
    Filed: February 3, 2006
    Publication date: June 15, 2006
    Inventors: Takayuki Matsuo, Takeshi Ikegami