Patents by Inventor Kazufumi Kato

Kazufumi 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).

  • Patent number: 11960272
    Abstract: A production line monitoring system for monitoring a production line including a plurality of production devices is provided. The production line monitoring system includes: a plurality of terminals attached to a plurality of workers; and a server configured to communicate with the plurality of terminals via a wireless network. The server performs processing of receiving operation information about the production device and generating event information based on the operation information, processing of transmitting the event information to a first terminal and a second terminal of the plurality of terminals, and processing of transmitting event stop information to the second terminal when receiving response information transmitted from the first terminal after performing the processing of transmitting the event information.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: April 16, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazufumi Kato, Atsushi Imai, Tomonori Ishii, Koichi Saito, Manabu Saito
  • Publication number: 20230287611
    Abstract: The present disclosure provides: a biodegradable nonwoven fabric for thermoforming, the biodegradable nonwoven fabric being composed of a fiber of a polylactic acid-based polymer, and having a basis weight of 20-300 g/m2, preferably, a biodegradable nonwoven fabric characterized by being composed of a long fiber of a polylactic acid polymer, having an MD-direction elongation of 50% or more at 120° C., and having an MD-direction dimensional change rate of ±4% or less at 80-140° C. as determined by thermomechanical analysis; a method for producing a molded body by using said biodegradable nonwoven fabric; and a method for molding a biodegradable beverage extraction container, the method being characterized in that the molded body has an MD-direction elongation change rate of 4% or less, as determined by thermomechanical analysis (TMA) under a load of 0.05 N/2 mm at 30-100° C.
    Type: Application
    Filed: May 18, 2023
    Publication date: September 14, 2023
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Yusuke Yamada, Chie Okamura, Takuya Matsumoto, Rumina Obi, Kazufumi Kato
  • Patent number: 11697896
    Abstract: The present disclosure provides: a biodegradable nonwoven fabric for thermoforming, the biodegradable nonwoven fabric being composed of a fiber of a polylactic acid-based polymer, and having a basis weight of 20-300 g/m2, preferably, a biodegradable nonwoven fabric characterized by being composed of a long fiber of a polylactic acid polymer, having an MD-direction elongation of 50% or more at 120° C., and having an MD-direction dimensional change rate of ±4% or less at 80-140° C. as determined by thermomechanical analysis; a method for producing a molded body by using said biodegradable nonwoven fabric; and a method for molding a biodegradable beverage extraction container, the method being characterized in that the molded body has an MD-direction elongation change rate of 4% or less, as determined by thermomechanical analysis (TMA) under a load of 0.05 N/2 mm at 30-100° C.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: July 11, 2023
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Yusuke Yamada, Chie Okamura, Takuya Matsumoto, Rumina Obi, Kazufumi Kato
  • Publication number: 20230150230
    Abstract: Provided is a nonwoven fabric and a laminated nonwoven fabric suitable as the skin material of a composite sound-absorbing material. The nonwoven fabric and laminated nonwoven fabric are easily formable, thin, and lightweight and excel in form stability, and can nevertheless be controlled within a given range of aeration after being formed into shape. A nonwoven fabric having a laminate structure in which at least one ultra-fine fiber layer (M) having an average fiber diameter of 0.3 to 7 ?m (inclusive) and a basis weight of 1 g/m2 to 40 g/m2 (inclusive) and at least one continuous filament layer (S) having an average fiber diameter of 10 to 30 ?m (inclusive) are integrated together by partial thermocompression bonding.
    Type: Application
    Filed: January 17, 2023
    Publication date: May 18, 2023
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Shinya Yamamuro, Rumina Obi, Kazufumi Kato, Tomoya Tanaka, Chie Okamura, Yasushi Isono, Junki Saito
  • Patent number: 11341833
    Abstract: An industrial plant monitoring system includes: a first terminal attached to a worker and having a gyro sensor generating inclination information based on a movement of the worker; a server receiving the inclination information; and a second terminal configured to communicate with the server. The server performs processing of acquiring a number of pieces of the inclination information generated during a predetermined period and exceeding a predetermined inclination angle, processing of determining whether the acquired number of pieces of the inclination information exceeds a predetermined value or not, and processing of transmitting first alarm information to the second terminal when it is determined that the number of pieces of the inclination information exceeds the predetermined value.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: May 24, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazufumi Kato, Shingo Kumagai
  • Publication number: 20220010471
    Abstract: Provided are a non-woven cloth and a layered non-woven cloth that are preferred as a skin material for a composite sound-absorbing material, which has excellent moldability and exceptional shape stability, and with which it is possible to achieve an adequate sound-absorption effect even in thin low-weight regions. The present invention pertains to: a non-woven cloth having a layered structure in which at least one ultrafine fiber layer (M) having an average fiber diameter of 0.
    Type: Application
    Filed: December 12, 2019
    Publication date: January 13, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Shinya Yamamuro, Chie Okamura, Rumina Obi, Eiji Shiota, Kazufumi Kato, Yasuo Nakanishi
  • Publication number: 20210304579
    Abstract: An industrial plant monitoring system includes: a first terminal attached to a worker and having a gyro sensor generating inclination information based on a movement of the worker; a server receiving the inclination information; and a second terminal configured to communicate with the server. The server performs processing of acquiring a number of pieces of the inclination information generated during a predetermined period and exceeding a predetermined inclination angle, processing of determining whether the acquired number of pieces of the inclination information exceeds a predetermined value or not, and processing of transmitting first alarm information to the second terminal when it is determined that the number of pieces of the inclination information exceeds the predetermined value.
    Type: Application
    Filed: March 19, 2021
    Publication date: September 30, 2021
    Inventors: Kazufumi KATO, Shingo KUMAGAI
  • Publication number: 20210294316
    Abstract: A production line monitoring system for monitoring a production line including a plurality of production devices is provided. The production line monitoring system includes: a plurality of terminals attached to a plurality of workers; and a server configured to communicate with the plurality of terminals via a wireless network. The server performs processing of receiving operation information about the production device and generating event information based on the operation information, processing of transmitting the event information to a first terminal and a second terminal of the plurality of terminals, and processing of transmitting event stop information to the second terminal when receiving response information transmitted from the first terminal after performing the processing of transmitting the event information.
    Type: Application
    Filed: March 15, 2021
    Publication date: September 23, 2021
    Inventors: Kazufumi KATO, Atsushi IMAI, Tomonori ISHII, Koichi SAITO, Manabu SAITO
  • Patent number: 11117725
    Abstract: The present invention provides a novel packaging material for sterilization which has processing suitability as a packaging material, is compatible with all sterilization processing methods such as those performed under high-temperature conditions, has small variation in shapes and dimensions, and is capable of maintaining an internal sterilized condition. This packaging material for sterilization is configured from at least two layers of laminated non-woven fabrics comprising a non-woven fabric layer (I) formed of continuous long fibers having an average fiber diameter of 5-30 ?m and a non-woven fabric layer (II) formed of ultra-fine fibers having an average fiber diameter of 0.1-4 ?m.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: September 14, 2021
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Junichi Kusakabe, Masaaki Mori, Seiichi Amano, Kazufumi Kato
  • Patent number: 10811658
    Abstract: An object of the present invention is to provide a separator maintaining high rate characteristics and enabling suppression of short circuit. The object is achieved by a separator comprising a substrate having an inner surface and an outer surface, and inorganic particles presented on the outer surface and the inner surface of the substrate, wherein the substrate has a porosity of 55% or more and a mean flow pore size of 30 ?m or less, the inorganic particles have an average particle size of 1.0 to 4.0 ?m, and the inorganic particles comprises 40% by volume or less of particles having a particle size of 1.0 ?m or less and 30 to 75% by volume of particles having a particle size of 2.0 ?m or more.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: October 20, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Yusuke Yamada, Makoto Uozumi, Takashi Misao, Mitsutaka Nakamura, Masaaki Sasayama, Kazufumi Kato
  • Publication number: 20200316906
    Abstract: Provided is a nonwoven fabric and a laminated nonwoven fabric suitable as the skin material of a composite sound-absorbing material. The nonwoven fabric and laminated nonwoven fabric are easily formable, thin, and lightweight and excel in form stability, and can nevertheless be controlled within a given range of aeration after being formed into shape. A nonwoven fabric having a laminate structure in which at least one ultra-fine fiber layer (M) having an average fiber diameter of 0.3 to 7 ?m (inclusive) and a basis weight of 1 g/m2 to 40 g/m2 (inclusive) and at least one continuous filament layer (S) having an average fiber diameter of 10 to 30 ?m (inclusive) are integrated together by partial thermocompression bonding.
    Type: Application
    Filed: December 13, 2018
    Publication date: October 8, 2020
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Shinya Yamamuro, Rumina Obi, Kazufumi Kato, Tomoya Tanaka, Chie Okamura, Yasushi Isono, Junki Saito
  • Patent number: 10700325
    Abstract: A nonwoven fabric separator for a lead storage battery includes a nonwoven fabric configured with regenerated fibers or synthetic fibers. The nonwoven fabric is composed of a recycled fiber or synthetic fiber having a relationship between the average pore diameter (D) of the nonwoven fabric separator and the number of pores (N) that satisfies the following equation: 1.0×102<D*N<1.0×104. The nonwoven fabric separator includes at least two layers which are integrated.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: June 30, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Junichi Kusakabe, Seiichi Amano, Kazufumi Kato
  • Publication number: 20200040495
    Abstract: The present disclosure provides: a biodegradable nonwoven fabric for thermoforming, the biodegradable nonwoven fabric being composed of a fiber of a polylactic acid-based polymer, and having a basis weight of 20-300 g/m2, preferably, a biodegradable nonwoven fabric characterized by being composed of a long fiber of a polylactic acid polymer, having an MD-direction elongation of 50% or more at 120° C., and having an MD-direction dimensional change rate of ±4% or less at 80-140° C. as determined by thermomechanical analysis; a method for producing a molded body by using said biodegradable nonwoven fabric; and a method for molding a biodegradable beverage extraction container, the method being characterized in that the molded body has an MD-direction elongation change rate of 4% or less, as determined by thermomechanical analysis (TMA) under a load of 0.05 N/2 mm at 30-100° C.
    Type: Application
    Filed: October 12, 2017
    Publication date: February 6, 2020
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Yusuke Yamada, Chie Okamura, Takuya Matsumoto, Rumina Obi, Kazufumi Kato
  • Publication number: 20190071228
    Abstract: The present invention provides a novel packaging material for sterilization which has processing suitability as a packaging material, is compatible with all sterilization processing methods such as those performed under high-temperature conditions, has small variation in shapes and dimensions, and is capable of maintaining an internal sterilized condition. This packaging material for sterilization is configured from at least two layers of laminated non-woven fabrics comprising a non-woven fabric layer (I) formed of continuous long fibers having an average fiber diameter of 5-30 ?m and a non-woven fabric layer (II) formed of ultra-fine fibers having an average fiber diameter of 0.1-4 ?m.
    Type: Application
    Filed: February 21, 2017
    Publication date: March 7, 2019
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Junichi Kusakabe, Masaaki Mori, Seiichi Amano, Kazufumi Kato
  • Publication number: 20190051878
    Abstract: A nonwoven fabric separator for a lead storage battery includes a nonwoven fabric configured with regenerated fibers or synthetic fibers.
    Type: Application
    Filed: February 21, 2017
    Publication date: February 14, 2019
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Junichi Kusakabe, Seiichi Amano, Kazufumi Kato
  • Patent number: 9972913
    Abstract: An object of the present invention is to provide a noise absorbing fabric in which electromagnetic waves are not susceptible to being reflected and which has superior noise absorbing ability, a noise absorbing fabric having noise absorbing ability across a wide band, a noise absorbing fabric that is soft, highly flexible, thin, and can be incorporated in intricate portions of electronic components or housings and the like by being bent or folded and the like, and a noise absorbing fabric that can be easily and stably produced without using an expensive soft magnetic material, is inexpensive and demonstrates high performance. In the noise absorbing fabric, a metal is subjected to metal processing on at least one side of a fabric, and the common logarithmic value of the surface resistivity of the surface subjected to metal processing is within the range of 0 to 4.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: May 15, 2018
    Assignee: ASAHI KASEI FIBERS CORPORATION
    Inventors: Kazufumi Kato, Tomoya Tanaka, Rumina Obi
  • Publication number: 20170002488
    Abstract: Provided is a noise-absorbing sheet that is highly effective at absorbing noise from magnetic and/or electric fields, the noise-absorbing effect being effective in wider bandwidths. A noise-absorbing sheet upon which at least two layers are stacked, wherein the noise absorbing sheet is characterized in that a magnetic layer containing a magnetic material and a layer of a noise-absorbing fabric in which a metal is deposited on constituent fibers are layered on said sheet, and the common logarithmic value of the surface resistivity of at least one side of the noise-absorbing fabric is 0 to 6.
    Type: Application
    Filed: November 21, 2014
    Publication date: January 5, 2017
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomoya TANAKA, Chie OKAMURA, Shinichi OKAJIMA, Tomoyuki KAWAMURA, Kazufumi KATO
  • Patent number: 9461290
    Abstract: Provided is a separator which shows excellent performance in electric insulation, electrolyte-holding property and ion- or electron-permeability and which can be stably manufactured. The separator is configured from a laminate non-woven fabric consisting of at least two layers, said layers including a non-woven fabric layer (layer I) that comprises a synthetic fiber having a fiber size of 0.1 ?m or greater and less than 4.0 ?m and a non-woven fabric layer (layer II) that comprises a thermoplastic resin fiber having a fiber size of 4.0-30.0 ?m inclusive, and has a weight per area of 3.0 g/m2 or greater and less than 20.0 g/m2.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: October 4, 2016
    Assignee: ASAHI KASEI FIBERS CORPORATION
    Inventors: Yusuke Yamada, Junichi Kusakabe, Rumina Obi, Shinichi Okajima, Kazufumi Kato
  • Patent number: 9233517
    Abstract: Disclosed is an electromagnetic shielding sheet that has a smaller increase in the thickness of a base after the formation of a metal coating film when compared with conventional electromagnetic shielding sheets, and which has excellent electromagnetic wave shielding properties despite a small amount of adhered metal. According to the present invention, the electromagnetic shielding sheet can endure metal working processes and has high electromagnetic wave shielding properties, resulting in a thin, very flexible fabric sheet. Specifically disclosed is an electromagnetic shielding sheet which is composed of a laminated non-woven fabric that has at least a first layer and a second layer, and which is characterized in that the first layer is a layer of thermoplastic synthetic fibers having a fiber diameter of 6 ?m to 50 ?m, the second layer is a layer of ultrafine fibers having a fiber diameter of 0.1 ?m to 5.0 ?m, and a metal is adhered to at least one surface of the sheet.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: January 12, 2016
    Assignee: ASAHI KASEI FIBERS CORPORATION
    Inventors: Kazufumi Kato, Kazuaki Shikata, Rumina Obi, Ikuo Ueno
  • Publication number: 20150270522
    Abstract: An object of the present invention is to provide a separator maintaining high rate characteristics and enabling suppression of short circuit. The object is achieved by a separator comprising a substrate having an inner surface and an outer surface, and inorganic particles presented on the outer surface and the inner surface of the substrate, wherein the substrate has a porosity of 55% or more and a mean flow pore size of 30 ?m or less, the inorganic particles have an average particle size of 1.0 to 4.0 ?m, and the inorganic particles comprises 40% by volume or less of particles having a particle size of 1.0 ?m or less and 30 to 75% by volume of particles having a particle size of 2.0 ?m or more.
    Type: Application
    Filed: September 17, 2013
    Publication date: September 24, 2015
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Yusuke Yamada, Makoto Uozumi, Takashi Misao, Mitsutaka Nakamura, Masaaki Sasayama, Kazufumi Kato