Patents by Inventor Satoshi Aizawa

Satoshi Aizawa 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: 12059744
    Abstract: There is provided a laser machining device including a heat radiation measurement unit that measures intensity of heat radiation of a workpiece irradiated with a laser beam, and a determination unit that determines a state of a target by defining an object used in machining work as the target, based on the intensity of the heat radiation measured by the heat radiation measurement unit.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: August 13, 2024
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Teppei Tanaka, Satoshi Aizawa, Takeshi Aiba
  • Patent number: 11472210
    Abstract: A cooling device includes a cooling member to absorb heat from a conveyed sheet and a plurality of cooling units to cool the cooling member. Each of the cooling units includes a coolant channel through which a coolant flows and a liquid-cooling device configured to cool the coolant that flows in the coolant channel. The coolant channels are disposed on or inside the cooling member and arranged side by side in a sheet conveyance direction. The coolant channels includes a downstream coolant channel being downstream from at least one of the plurality of coolant channels in the sheet conveyance direction, and an upstream coolant channel being upstream from the downstream coolant channel in the sheet conveyance direction. One of the liquid-cooling devices coupled to the downstream coolant channel has a cooling capacity higher than a cooling capacity of another of the liquid-cooling devices coupled to the upstream coolant channel.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: October 18, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroki Ishihara, Kohki Asada, Kenji Nozawa, Satoshi Aizawa
  • Patent number: 11360414
    Abstract: A sheet correcting device includes a plurality of curved surface members including curved surfaces, respectively, to deform a sheet along the curved surfaces, the plurality of curved surface members disposed along a conveyance direction of the sheet, a plurality of pressing members disposed facing the curved surfaces of the plurality of curved surface members, respectively, to press the sheet against the curved surfaces of the plurality of curved surface members, respectively, a sheet tensioner to apply tension to the sheet, and a heater to heat the sheet that is bent by the curved surfaces of the plurality of curved surface members.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: June 14, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroki Ishihara, Genichiroh Kawamichi, Satoshi Aizawa, Kohki Asada
  • Patent number: 10928798
    Abstract: A technique is capable of preventing particles from adhering onto a wafer when a lid is attached or detached from a pod. A substrate processing apparatus includes: a placement part whereon a substrate container is placed; a guide part constituting a lid opening/closing space; a gate part separating the lid opening/closing space from a transfer chamber; a lid opening/closing mechanism provided in the lid opening/closing space and configured to attach or detach a lid of the substrate container; a gas introduction mechanism configured to supply a gas into the substrate container; a monitor part configured to monitor and adjust an inner pressure of the substrate container; and a controller configured to: (i) control the lid opening/closing mechanism; and (ii) control the monitor part to maintain the inner pressure of the substrate container higher than an inner pressure of the lid opening/closing space while the lid opening/closing mechanism detaches the lid.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: February 23, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Satoshi Aizawa, Hiroto Iwaki
  • Patent number: 10800188
    Abstract: A sheet correcting device includes a belt pair to sandwich a sheet with an upper belt and a lower belt to convey the sheet in a sheet conveyance direction, a plurality of curved surface members disposed along the sheet conveyance direction, each of the plurality of curved surface members comprising a curved surface to contact the belt pair where the belt pair sandwiches the sheet, a plurality of pressing members facing the curved surface of each of the plurality of curved surface members, respectively, to press the belt pair against the curved surface of each of the plurality of curved surface members, and a heater to heat the sheet via at least one of the upper belt and the lower belt of the belt pair.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: October 13, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Kohki Asada, Genichiroh Kawamichi, Hiroki Ishihara, Satoshi Aizawa
  • Publication number: 20200290383
    Abstract: A cooling device includes a cooling member to absorb heat from a conveyed sheet and a plurality of cooling units to cool the cooling member. Each of the cooling units includes a coolant channel through which a coolant flows and a liquid-cooling device configured to cool the coolant that flows in the coolant channel. The coolant channels are disposed on or inside the cooling member and arranged side by side in a sheet conveyance direction. The coolant channels includes a downstream coolant channel being downstream from at least one of the plurality of coolant channels in the sheet conveyance direction, and an upstream coolant channel being upstream from the downstream coolant channel in the sheet conveyance direction. One of the liquid-cooling devices coupled to the downstream coolant channel has a cooling capacity higher than a cooling capacity of another of the liquid-cooling devices coupled to the upstream coolant channel.
    Type: Application
    Filed: January 31, 2020
    Publication date: September 17, 2020
    Inventors: Hiroki ISHIHARA, Kohki ASADA, Kenji NOZAWA, Satoshi AIZAWA
  • Publication number: 20200016691
    Abstract: There is provided a laser machining device including a heat radiation measurement unit that measures intensity of heat radiation of a workpiece irradiated with a laser beam, and a determination unit that determines a state of a target by defining an object used in machining work as the target, based on the intensity of the heat radiation measured by the heat radiation measurement unit.
    Type: Application
    Filed: September 4, 2019
    Publication date: January 16, 2020
    Inventors: Teppei Tanaka, Satoshi Aizawa, Takeshi Aiba
  • Publication number: 20190202215
    Abstract: A sheet correcting device includes a belt pair to sandwich a sheet with an upper belt and a lower belt to convey the sheet in a sheet conveyance direction, a plurality of curved surface members disposed along the sheet conveyance direction, each of the plurality of curved surface members comprising a curved surface to contact the belt pair where the belt pair sandwiches the sheet, a plurality of pressing members facing the curved surface of each of the plurality of curved surface members, respectively, to press the belt pair against the curved surface of each of the plurality of curved surface members, and a heater to heat the sheet via at least one of the upper belt and the lower belt of the belt pair.
    Type: Application
    Filed: October 9, 2018
    Publication date: July 4, 2019
    Inventors: Kohki ASADA, Genichiroh KAWAMICHI, Hiroki ISHIHARA, Satoshi AIZAWA
  • Publication number: 20190204767
    Abstract: A sheet correcting device includes a plurality of curved surface members including curved surfaces, respectively, to deform a sheet along the curved surfaces, the plurality of curved surface members disposed along a conveyance direction of the sheet, a plurality of pressing members disposed facing the curved surfaces of the plurality of curved surface members, respectively, to press the sheet against the curved surfaces of the plurality of curved surface members, respectively, a sheet tensioner to apply tension to the sheet, and a heater to heat the sheet that is bent by the curved surfaces of the plurality of curved surface members.
    Type: Application
    Filed: November 6, 2018
    Publication date: July 4, 2019
    Inventors: Hiroki Ishihara, Genichiroh Kawamichi, Satoshi Aizawa, Kohki Asada
  • Publication number: 20190094833
    Abstract: A technique is capable of preventing particles from adhering onto a wafer when a lid is attached or detached from a pod. A substrate processing apparatus includes: a placement part whereon a substrate container is placed a guide part constituting a lid opening/closing space; a gate part separating the lid opening/closing space from a transfer chamber; a lid opening/closing mechanism provided in the lid opening/closing space and configured to attach or detach a lid of the substrate container; a as introduction mechanism configured to supply a gas into the substrate container; a monitor part configured to monitor and adjust an inner pressure of the substrate container; and a controller configured to: (i) control the lid opening/closing mechanism; and (ii) control the monitor part to maintain the inner pressure of the substrate container higher than an inner pressure of the lid opening/closing space while the lid opening/closing mechanism detaches the lid.
    Type: Application
    Filed: September 25, 2018
    Publication date: March 28, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Satoshi AIZAWA, Hiroto IWAKI
  • Patent number: 10065824
    Abstract: A stacking apparatus includes a conveyance unit, a stacking unit, and a separation member supply unit. The conveyance unit conveys sheets for circuit board. The stacking unit stacks the sheets. The separation member supply unit supplies a separation member to separate the stacked sheets at any position. The separation member supply unit places the separation member on the sheet in being conveyed.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: September 4, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Yousuke Edo, Yasufumi Takahashi, Yasuo Niikura, Satoru Takano, Hidehiko Fujiwara, Takeshi Akai, Yasunori Hino, Tadashi Matsuoka, Atsunori Yoshida, Ryo Kanno, Hikaru Fukasawa, Hiroshi Komuro, Masaru Yamagishi, Toshihiro Shimada, Satoshi Aizawa, Kenji Ishii
  • Publication number: 20170174462
    Abstract: A stacking apparatus includes a conveyance unit, a stacking unit, and a separation member supply unit. The conveyance unit conveys sheets for circuit board. The stacking unit stacks the sheets. The separation member supply unit supplies a separation member to separate the stacked sheets at any position. The separation member supply unit places the separation member on the sheet in being conveyed.
    Type: Application
    Filed: December 9, 2016
    Publication date: June 22, 2017
    Inventors: Yousuke EDO, Yasufumi TAKAHASHI, Yasuo NIIKURA, Satoru TAKANO, Hidehiko FUJIWARA, Takeshi AKAI, Yasunori HINO, Tadashi MATSUOKA, Atsunori YOSHIDA, Ryo KANNO, Hikaru FUKASAWA, Hiroshi KOMURO, Masaru YAMAGISHI, Toshihiro SHIMADA, Satoshi AIZAWA, Kenji ISHII
  • Patent number: 9360838
    Abstract: A liquid type cooling device, which is incorporated in an image forming apparatus, includes a heat releasing unit to release heat of a coolant that passes therethrough, and multiple air blowing fans disposed facing the heat releasing unit to blow air to the heat releasing unit. A cooling capacity of the liquid type cooling device varies according to a type of a recording medium on which an image is formed.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: June 7, 2016
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroaki Miyagawa, Satoshi Aizawa, Susumu Tateyama, Tomoyasu Hirasawa
  • Publication number: 20150010338
    Abstract: A liquid type cooling device, which is incorporated in an image forming apparatus, includes a heat releasing unit to release heat of a coolant that passes therethrough, and multiple air blowing fans disposed facing the heat releasing unit to blow air to the heat releasing unit. A cooling capacity of the liquid type cooling device varies according to a type of a recording medium on which an image is formed.
    Type: Application
    Filed: July 2, 2014
    Publication date: January 8, 2015
    Inventors: Hiroaki MIYAGAWA, Satoshi Aizawa, Susumu Tateyama, Tomoyasu Hirasawa
  • Patent number: 8682203
    Abstract: A disclosed cooling structure includes a casing including a bottom plate arranged in a bottom portion of the casing and having a through hole formed in the bottom plate; a heat source to be cooled accommodated in the casing; a suctioning unit configured to suction outer air from an outside of the casing to an inside of the casing via the through hole in the bottom plate; an open and close member including an outer air path for carrying the suctioned outer air and being capable of opening and closing relative to the casing; and an outer air applying unit configured to cool the heat source by the carried outer air received from the open and close member.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: March 25, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuuki Kikushima, Mamoru Takayama, Hiroshi Suzuki, Satoshi Aizawa
  • Publication number: 20120263507
    Abstract: A disclosed cooling structure includes a casing including a bottom plate arranged in a bottom portion of the casing and having a through hole formed in the bottom plate; a heat source to be cooled accommodated in the casing; a suctioning unit configured to suction outer air from an outside of the casing to an inside of the casing via the through hole in the bottom plate; an open and close member including an outer air path for carrying the suctioned outer air and being capable of opening and closing relative to the casing; and an outer air applying unit configured to cool the heat source by the carried outer air received from the open and close member.
    Type: Application
    Filed: October 5, 2011
    Publication date: October 18, 2012
    Applicant: RICOH COMPANY, LTD.
    Inventors: Yuuki KIKUSHIMA, Mamoru Takayama, Hiroshi Suzuki, Satoshi Aizawa
  • Patent number: D652395
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: January 17, 2012
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Masakazu Shimada, Takashi Nogami, Satoshi Aizawa, Seiyo Nakashima, Tomoyuki Yamada, Shinobu Sugiura, Yukinori Aburatani, Mitsuhiro Nagata
  • Patent number: D789311
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: June 13, 2017
    Assignees: HITACHI KOKUSAI ELECTRIC INC., TECHNO QUARTZ INC.
    Inventors: Hiromi Okada, Masayuki Yamada, Satoshi Aizawa, Shinya Morita, Masayoshi Minami, Kazuhisa Osaka
  • Patent number: D791091
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: July 4, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hiromi Okada, Shinya Morita, Satoshi Aizawa, Masayoshi Minami, Kazuyuki Okuda, Masayuki Yamada
  • Patent number: D997892
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: September 5, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Satoshi Aizawa, Tetsuya Marubayashi, Kiyoaki Yamada