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).

  • Patent number: 8020523
    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: Grant
    Filed: February 10, 2006
    Date of Patent: September 20, 2011
    Assignee: Uni-Charm Corporation
    Inventors: Takeshi Ikegami, Kenji Hiroshima
  • Patent number: 7987818
    Abstract: To provide a movable hood which can be opened and closed smoothly even though a distance between the movable hood and a fixed hood is reduced. An animal litter box 1 comprises an evacuation container 2; and a hood 3, the hood 3 having a fixed hood 31, a movable hood 32, and a pair of connecting portions, wherein the movable hood 32 is configured to be moved rotatably outside or inside the fixed hood 31 in the state that an end edge is proximal to the fixed hood 31 with maintaining a prescribed distance, and wherein at least one of the fixed hood 31 and the movable hood 32 is provided with a convex restricting portion 6 which prevents a distance between an end edge on at least the one end of the movable hood 32 and the fixed hood 31 from being less than the prescribed distance.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: August 2, 2011
    Assignee: Uni-Charm Corporation
    Inventors: Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima, Nobuaki Namikawa
  • Publication number: 20110146581
    Abstract: An excretion disposal sheet for pet animals that contains fragrance adapted to develop aroma effectively masking odor of excretion. The fragrance is in the form of a powder compound wherein the fragrance includes cyclodextrin and this particulate compound is sandwiched between an upper surface of a core material and a liquid-pervious sheet in the form of tissue paper overlying the upper surface.
    Type: Application
    Filed: August 27, 2009
    Publication date: June 23, 2011
    Applicant: Uni-Cham Corporation
    Inventors: Yasuhiro Sasano, Takeshi Ikegami
  • Patent number: 7947994
    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 12, 2008
    Date of Patent: May 24, 2011
    Assignee: Nichia Corporation
    Inventors: Koji Tanizawa, Tomotsugu Mitani, Yoshinori Nakagawa, Hironori Takagi, Hiromitsu Marui, Yoshikatsu Fukuda, Takeshi Ikegami
  • Patent number: 7895976
    Abstract: A litter which has superior absorbency and deodorization capabilities, does not roll nor spread over a wide area easily, does not easily stick to the bottom of animals' feet, and is not easily carried out of the container when an animal enters or exits a container holding this litter is provided. By combining micronized resin or adhesive agent of which the main ingredient is silica sol to silica gel powder and compressing and molding, a litter which has superior absorbency and deodorization capabilities, does not roll nor spread over a wide area easily, does not easily stick to the bottom of animals' feet, and is not easily carried out of the container when an animal enters or exits a container holding this litter can be provided.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: March 1, 2011
    Assignee: Uni-Charm Corporation
    Inventors: Takeshi Ikegami, Takayuki Matsuo
  • Publication number: 20110017143
    Abstract: Disclosed is a litter for animals, which can reduce the amount of ammonia generated from a urine excreted from an animal. Specifically disclosed is a litter for animals, which comprises multiple granules, wherein each of the granules comprises: particles each comprising an inorganic porous material; silica gel; and an inorganic binder for integrally binding the particles and silica gel to each other.
    Type: Application
    Filed: November 20, 2008
    Publication date: January 27, 2011
    Applicant: Uni-Charm Petcare Corporation
    Inventors: Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima, Hiroshi Matsumoto, Hiroyuki Kameyama
  • Publication number: 20110000435
    Abstract: To provide a movable hood which can be opened and closed smoothly even though a distance between the movable hood and a fixed hood is reduced. An animal litter box 1 comprises an evacuation container 2; and a hood 3, the hood 3 having a fixed hood 31, a movable hood 32, and a pair of connecting portions, wherein the movable hood 32 is configured to be moved rotatably outside or inside the fixed hood 31 in the state that an end edge is proximal to the fixed hood 31 with maintaining a prescribed distance, and wherein at least one of the fixed hood 31 and the movable hood 32 is provided with a convex restricting portion 6 which prevents a distance between an end edge on at least the one end of the movable hood 32 and the fixed hood 31 from being less than the prescribed distance.
    Type: Application
    Filed: September 17, 2010
    Publication date: January 6, 2011
    Applicant: UNI-CHARM PETCARE CORPORATION
    Inventors: Takayuki MATSUO, Takeshi IKEGAMI, Kenji HIROSHIMA, Nobuaki NAMIKAWA
  • Patent number: 7856945
    Abstract: An animal litter box having a movable hood can be used both in the open state and the closed state, and the movable hood can be compactly accommodated in the open state. The animal litter box includes an evacuation container and a hood, the hood having a fixed hood, a movable hood, and a pair of connecting portions. On the movable hood, an opening is provided to a front surface of the movable hood, wherein, the movable hood is rotatably movable with the movable hood 32 being located outside of the fixed hood, and wherein, when the movable hood is in the open state, the movable hood covers an outside of the fixed hood.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: December 28, 2010
    Assignee: Uni-Charm Corporation
    Inventors: Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima
  • Patent number: 7849818
    Abstract: To provide an animal litter box that is easy to clean and whose setup space is not large. An animal litter box equipped 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: Grant
    Filed: June 25, 2008
    Date of Patent: December 14, 2010
    Assignee: Uni-Charm Corporation
    Inventors: Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima
  • Patent number: 7832357
    Abstract: An animal litter box includes an evacuation container and a hood, the hood having a fixed hood, a movable hood, and a pair of connecting portions. The movable hood is configured to be moved rotatably either outside or inside the fixed hood such that an end edge of the movable hood is proximal to the fixed hood while maintaining a prescribed distance at least one of the fixed hood 31 and the movable hood is provided with a convex restricting portion which prevents a distance between an end edge on at least the one end of the movable hood 32 and the fixed hood 31 from being less than the prescribed distance.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: November 16, 2010
    Assignee: Uni-Charm Petcare Corporation
    Inventors: Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima, Nobuaki Namikawa
  • Patent number: 7793616
    Abstract: Animal litter for animals which consist of a plurality of granular materials, wherein the granular materials contain aromatic granular materials each of which has base material which generates heat by absorbing water and an aromatic component adsorbed onto the base material. According to the present invention, the animal litter for animals, which are not emitting a strong scent regularly, but emit a strong scent by absorbing an animal's excrement, and thereby effectively restrain the stench emitted from the excrement, can be provided.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: September 14, 2010
    Assignee: Uni-Charm Petcare Corporation
    Inventor: Takeshi Ikegami
  • Publication number: 20100224133
    Abstract: An excrement disposal sheet that inhibits an unsanitary appearance thereof to thereby prevent any unnecessary replacement of excrement disposal sheet and thus allow the user to prolong the period of use of excrement disposal sheet; and an animal toilet utilizing the same. The excrement disposal sheet (1) is placed within a toilet vessel body adapted for animal incomings and outgoings for egestion of excrements at a location allowing absorption of animal excrements and at a location substantially free from animal load. The excrement disposal sheet (1) comprises a surface sheet (11), a backside sheet (12) and, interposed therebetween, an absorbent sheet (13). The absorbent sheet (13) has at least an absorbent layer of 100 to 600 g/m2 basis weight and, dispersed therein, a highly absorbent resin (133).
    Type: Application
    Filed: July 2, 2008
    Publication date: September 9, 2010
    Applicant: UNI-CHARM PETCARE CORPORATION
    Inventors: Kenji Hiroshima, Takayuki Matsuo, Takeshi Ikegami
  • Publication number: 20100170449
    Abstract: An animal litter box system that can be used for a long time about 3 to 10 days and can prevent the occurrence of undesirable odors is to be provided, particularly to provide a liquid-absorbing sheet used for the animal litter box system. A liquid-absorbing sheet used for an animal litter box is characterized by comprising an antimicrobial and bacteriostatic part having both an antimicrobial property and a bacteriostatic property; or both of an antimicrobial part having an antimicrobial property and a bacteriostatic part having a bacteriostatic property.
    Type: Application
    Filed: February 16, 2010
    Publication date: July 8, 2010
    Applicant: UNI-CHARM PETCARE CORPORATION
    Inventors: Takayuki Matsuo, Takeshi Ikegami
  • Patent number: 7678221
    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: Grant
    Filed: June 13, 2007
    Date of Patent: March 16, 2010
    Assignee: Uni-Charm Petcare Corporation
    Inventors: Masayuki Takahashi, Shinya Kaneko, Takeshi Ikegami
  • Publication number: 20090211532
    Abstract: Animal litter is provided that causes little damage to the legs or the like of animals using a litter box and generates a small amount of ammonia. The animal litter includes a plurality of particulate matter, in which the plurality of respective particulate matter includes a group of particles configured with an inorganic porous material and an inorganic binder which binds the group of particles together, and the inorganic binder includes a non-cement solidifying agent.
    Type: Application
    Filed: May 2, 2007
    Publication date: August 27, 2009
    Inventors: Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima, Hiroshi Matsumoto, Hiroyuki Kameyama
  • Publication number: 20090082200
    Abstract: Animal litter for animals which consist of a plurality of granular materials, wherein the granular materials contain aromatic granular materials each of which has base material which generates heat by absorbing water and an aromatic component adsorbed onto the base material. According to the present invention, the animal litter for animals, which are not emitting a strong scent regularly, but emit a strong scent by absorbing an animal's excrement, and thereby effectively restrain the stench emitted from the excrement, can be provided.
    Type: Application
    Filed: November 26, 2008
    Publication date: March 26, 2009
    Applicant: UNI-CHARM PETCARE CORPORATION
    Inventor: Takeshi IKEGAMI
  • Patent number: 7493870
    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: Grant
    Filed: January 9, 2006
    Date of Patent: February 24, 2009
    Assignee: Uni-Charm Petcare Corporation
    Inventors: Masayuki Takahashi, Shinya Kaneko, Takeshi Ikegami
  • Publication number: 20090000560
    Abstract: An animal litter box having a movable hood can be used both in the open state and the closed state, and the movable hood can be compactly accommodated in the open state. The animal litter box includes an evacuation container and a hood, the hood having a fixed hood, a movable hood, and a pair of connecting portions. On the movable hood, an opening is provided to a front surface of the movable hood, wherein, the movable hood is rotatably movable with the movable hood 32 being located outside of the fixed hood, and wherein, when the movable hood is in the open state, the movable hood covers an outside of the fixed hood.
    Type: Application
    Filed: May 7, 2008
    Publication date: January 1, 2009
    Applicant: Uni-Charm Petcare Corporation
    Inventors: Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima
  • Publication number: 20090000559
    Abstract: An animal litter box includes an evacuation container and a hood, the hood having a fixed hood, a movable hood, and a pair of connecting portions. The movable hood is configured to be moved rotatably either outside or inside the fixed hood such that an end edge of the movable hood is proximal to the fixed hood while maintaining a prescribed distance at least one of the fixed hood 31 and the movable hood is provided with a convex restricting portion which prevents a distance between an end edge on at least the one end of the movable hood 32 and the fixed hood 31 from being less than the prescribed distance.
    Type: Application
    Filed: May 8, 2008
    Publication date: January 1, 2009
    Applicant: Uni-Charm Petcare Corporation
    Inventors: Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima, Nobuaki Namikawa
  • Publication number: 20090000557
    Abstract: 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 has a high fiber density region in a thickness direction thereof, with a fiber density higher than an average fiber density of the top sheet, at least in a part of a side facing the absorbent sheet. The average fiber density is preferably in the range of 0.005 to 0.20 g/cm3, and a fiber density of the high fiber density region is preferably in the range of 0.007 to 0.25 g/cm3.
    Type: Application
    Filed: June 25, 2008
    Publication date: January 1, 2009
    Applicant: Uni-Charm Petcare Corporation
    Inventors: Masayuki Takahashi, Takeshi Ikegami