Patents by Inventor Hiroki SOMADA
Hiroki SOMADA 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).
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Patent number: 11566273Abstract: Provided is a method for producing a cell contained base, the method being capable of providing a cell contained base highly accurately controlled in number of nucleic acid molecules contained in a low-concentration nucleic acid standard sample, the method including a liquid droplet discharging step of discharging a cell suspension in the form of a liquid droplet with a liquid droplet discharging unit onto a base including at least one cell contained region; a cell number counting step of counting a number of cells contained in the liquid droplet with a plurality of sensors from two or more directions while the liquid droplet is flying into the cell contained region; and a liquid droplet landing step of landing the liquid droplet in the at least one cell contained region in a manner that a predetermined number of cells are located in the at least one cell contained region.Type: GrantFiled: June 13, 2018Date of Patent: January 31, 2023Assignee: RICOH COMPANY, LTD.Inventors: Satoshi Izumi, Manabu Seo, Takahiko Matsumoto, Hiroki Somada, Ryuya Mashiko, Takeshi Orito, Hiroki Nakae
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Patent number: 11554376Abstract: Provided is a container (10) including a base material (1) including a plurality of concave portions (2); a recognition unit (3) disposed on the base material and configured to recognize the base material; and a storage unit (4) disposed in a position other than a measurement region of the base material and configured to store information on biomaterials contained in the plurality of concave portions, wherein the recognition unit and the storage unit are allowed to correspond to each other.Type: GrantFiled: December 7, 2017Date of Patent: January 17, 2023Assignee: RICOH COMPANY, LTD.Inventors: Ryuya Mashiko, Satoshi Izumi, Hiroki Somada, Takahiko Matsumoto, Daisuke Takagi
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Patent number: 10807372Abstract: Provided is a liquid droplet discharging unit including a liquid droplet discharging port, a liquid retaining section including the liquid droplet discharging port, two tubes disposed in communication with the liquid retaining section, and first and second liquid sucking/ejecting members coupled to the two tubes respectively, wherein while the first liquid sucking/ejecting member is in a sucking or ejecting state, the second liquid sucking/ejecting member is in a non-sucking or non-ejecting state correspondingly.Type: GrantFiled: January 3, 2019Date of Patent: October 20, 2020Assignee: Ricoh Company, Ltd.Inventors: Takeshi Akai, Hiroshi Fujie, Keisuke Sugiyama, Daisuke Takagi, Hiroki Somada, Manabu Yamanaka
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Patent number: 10646873Abstract: A multi-well plate lid includes a well-side surface to cover a plurality of wells of a multi-well plate. The well-side surface includes two or more regions with different adhesive strengths to the multi-well plate.Type: GrantFiled: December 19, 2017Date of Patent: May 12, 2020Assignee: Ricoh Company, Ltd.Inventors: Hiroki Somada, Satoshi Izumi, Takahiko Matsumoto, Daisuke Takagi
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Patent number: 10605716Abstract: A particle counting apparatus is provided that includes: a droplet discharger configured to discharge a droplet containing at least one luminescent particle capable of emitting light upon receiving light; a light irradiator configured to irradiate the droplet discharged by the droplet discharger with light; at least one light receiver configured to receive light emitted by the at least one luminescent particle irradiated with the light emitted by the light irradiator; and circuitry configured to count luminescent particles contained in the droplet based on the light received by the at least one light receiver, the circuitry being configured to measure a presence or absence of the luminescent particles contained in the droplet; and to measure a number of the luminescent particles contained in the droplet.Type: GrantFiled: July 20, 2018Date of Patent: March 31, 2020Assignee: Ricoh Company, Ltd.Inventors: Ikuo Katoh, Manabu Seo, Yunong Ji, Nobuaki Toyoshima, Hiroki Somada, Ryuya Mashiko, Satoshi Izumi, Takahiko Matsumoto, Daisuke Takagi
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Publication number: 20200070148Abstract: Provided is a container (10) including a base material (1) including a plurality of concave portions (2); a recognition unit (3) disposed on the base material and configured to recognize the base material; and a storage unit (4) disposed in a position other than a measurement region of the base material and configured to store information on biomaterials contained in the plurality of concave portions, wherein the recognition unit and the storage unit are allowed to correspond to each other.Type: ApplicationFiled: December 7, 2017Publication date: March 5, 2020Inventors: Ryuya MASHIKO, Satoshi IZUMI, Hiroki SOMADA, Takahiko MATSUMOTO, Daisuke TAKAGI
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Publication number: 20190232661Abstract: Provided is a liquid droplet discharging unit including a liquid droplet discharging port, a liquid retaining section including the liquid droplet discharging port, two tubes disposed in communication with the liquid retaining section, and first and second liquid sucking/ejecting members coupled to the two tubes respectively, wherein while the first liquid sucking/ejecting member is in a sucking or ejecting state, the second liquid sucking/ejecting member is in a non-sucking or non-ejecting state correspondingly.Type: ApplicationFiled: January 3, 2019Publication date: August 1, 2019Inventors: Takeshi AKAI, Hiroshi Fujie, Keisuke Sugiyama, Daisuke Takagi, Hiroki Somada, Manabu Yamanaka
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Publication number: 20190025185Abstract: A particle counting apparatus is provided that includes: a droplet discharger configured to discharge a droplet containing at least one luminescent particle capable of emitting light upon receiving light; a light irradiator configured to irradiate the droplet discharged by the droplet discharger with light; at least one light receiver configured to receive light emitted by the at least one luminescent particle irradiated with the light emitted by the light irradiator; and circuitry configured to count luminescent particles contained in the droplet based on the light received by the at least one light receiver, the circuitry being configured to measure a presence or absence of the luminescent particles contained in the droplet; and to measure a number of the luminescent particles contained in the droplet.Type: ApplicationFiled: July 20, 2018Publication date: January 24, 2019Inventors: Ikuo KATOH, Manabu SEO, Yunong JI, Nobuaki TOYOSHIMA, Hiroki SOMADA, Ryuya MASHIKO, Satoshi IZUMI, Takahiko MATSUMOTO, Daisuke TAKAGI
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Publication number: 20180363028Abstract: Provided is a method for producing a cell contained base, the method being capable of providing a cell contained base highly accurately controlled in number of nucleic acid molecules contained in a low-concentration nucleic acid standard sample, the method including a liquid droplet discharging step of discharging a cell suspension in the form of a liquid droplet with a liquid droplet discharging unit onto a base including at least one cell contained region; a cell number counting step of counting a number of cells contained in the liquid droplet with a plurality of sensors from two or more directions while the liquid droplet is flying into the cell contained region; and a liquid droplet landing step of landing the liquid droplet in the at least one cell contained region in a manner that a predetermined number of cells are located in the at least one cell contained region.Type: ApplicationFiled: June 13, 2018Publication date: December 20, 2018Inventors: Satoshi IZUMI, Manabu SEO, Takahiko MATSUMOTO, Hiroki SOMADA, Ryuya MASHIKO, Takeshi ORITO, Hiroki NAKAE
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Publication number: 20180169650Abstract: A multi-well plate lid includes a well-side surface to cover a plurality of wells of a multi-well plate. The well-side surface includes two or more regions with different adhesive strengths to the multi-well plate.Type: ApplicationFiled: December 19, 2017Publication date: June 21, 2018Inventors: Hiroki Somada, Satoshi Izumi, Takahiko Matsumoto, Daisuke Takagi
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Patent number: 9333524Abstract: A slot curtain coating apparatus, including: ejecting unit containing coating liquid outlet to eject coating liquid; pair of guiding units, each containing auxiliary water outlet to eject auxiliary water, the guiding units being configured to support both edges of curtain film formed of the coating liquid ejected from the coating liquid outlet along width-direction substantially vertical to flow-down direction of the curtain film, and to guide the curtain film onto support transported; and transporting unit to transport the support, wherein the guiding unit has manifold portion to retain the auxiliary water, and slit portion connecting between the manifold portion and the auxiliary water outlet, the slit portion is composed of straight-line portion, and curved portion to eject the auxiliary water substantially vertically downwards, and curvature radius R of bottom part of the curved portion is 0.5 mm-3 mm, and the curved portion is provided to position at which h=T+R+S is 1.5 mm-5 mm.Type: GrantFiled: March 7, 2014Date of Patent: May 10, 2016Assignee: RICOH COMPANY, LTD.Inventors: Hiroki Somada, Kazuhisa Yamamoto
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Publication number: 20160052013Abstract: Provided is a curtain coating machine, including at least: a curtain coating member including a discharging port from which a coating liquid is discharged in a curtain shape; a discharging width regulating member provided in the discharging port and regulating the discharging width of the coating liquid discharged in a curtain shape; a drop-off preventing member preventing the discharging width regulating member from dropping off from the discharging port; a fixing member fixing the drop-off preventing member; a close contact member movable on the fixing member and closely contacting the drop-off preventing member, and via the drop-off preventing member, preventing the coating liquid from leaking in a discharging direction from where the discharging width regulating member is provided in the discharging port; and a guide member provided detachably on the fixing member and guiding width-direction both edges of the coating liquid discharged from the discharging port in a curtain shape.Type: ApplicationFiled: March 6, 2014Publication date: February 25, 2016Applicant: RICOH COMPANY, LTDInventors: Hiroki SOMADA, Kazuhisa YAMAMOTO
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Patent number: 9199268Abstract: A curtain coating method including: discharging at least one coating liquid from a slot type die; forming a coating liquid film of the coating liquid freely falling; and applying the coating liquid film to a support medium continuously running, with both right and left ends of the coating liquid film being held by a pair of edge guides, wherein, during non-coating, a direction in which the coating liquid is discharged from the slot type die is kept in a horizontal direction or tilted from the horizontal direction in a direction distancing from the support medium.Type: GrantFiled: March 29, 2012Date of Patent: December 1, 2015Assignee: RICOH COMPANY, LTD.Inventors: Kazuhisa Yamamoto, Hiroki Somada, Tetsuya Hara
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Patent number: 8881674Abstract: A curtain coating apparatus including: a pair of edge guides configured to support both side edges of at least one coating liquid so as to form a coating liquid film which falls freely and apply the coating liquid film onto a continuously running support; and an auxiliary water introduction port which allows auxiliary water to be introduced substantially uniformly with respect to a width direction of an edge guide auxiliary water flow-down surface of each edge guide from an upper portion toward a lower portion of the flow-down surface, wherein the flow-down surface has at its upper portion a flat surface portion, and wherein the flow-down surface has at its lower portion an arc-shaped portion which is provided at a center and which protrudes in the shape of an arc, and a flat surface portion which is provided on both sides of the arc-shaped portion.Type: GrantFiled: September 7, 2010Date of Patent: November 11, 2014Assignee: Ricoh Company, Ltd.Inventors: Hiroki Somada, Kazuhisa Yamamoto, Tetsuya Hara
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Publication number: 20140272160Abstract: A slot curtain coating apparatus, including: ejecting unit containing coating liquid outlet to eject coating liquid; pair of guiding units, each containing auxiliary water outlet to eject auxiliary water, the guiding units being configured to support both edges of curtain film formed of the coating liquid ejected from the coating liquid outlet along width-direction substantially vertical to flow-down direction of the curtain film, and to guide the curtain film onto support transported; and transporting unit to transport the support, wherein the guiding unit has manifold portion to retain the auxiliary water, and slit portion connecting between the manifold portion and the auxiliary water outlet, the slit portion is composed of straight-line portion, and curved portion to eject the auxiliary water substantially vertically downwards, and curvature radius R of bottom part of the curved portion is 0.5 mm-3 mm, and the curved portion is provided to position at which h=T+R+S is 1.5 mm-5 mm.Type: ApplicationFiled: March 7, 2014Publication date: September 18, 2014Applicant: RICOH COMPANY, LTD.Inventors: Hiroki Somada, Kazuhisa Yamamoto
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Publication number: 20120251731Abstract: A curtain coating method including: discharging at least one coating liquid from a slot type die; forming a coating liquid film of the coating liquid freely falling; and applying the coating liquid film to a support medium continuously running, with both right and left ends of the coating liquid film being held by a pair of edge guides, wherein, during non-coating, a direction in which the coating liquid is discharged from the slot type die is kept in a horizontal direction or tilted from the horizontal direction in a direction distancing from the support medium.Type: ApplicationFiled: March 29, 2012Publication date: October 4, 2012Applicant: RICOH COMPANY, LTD.Inventors: Kazuhisa YAMAMOTO, Hiroki Somada, Tetsuya Hara
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Publication number: 20110059254Abstract: A curtain coating apparatus including: a pair of edge guides configured to support both side edges of at least one coating liquid so as to form a coating liquid film which falls freely and apply the coating liquid film onto a continuously running support; and an auxiliary water introduction port which allows auxiliary water to be introduced substantially uniformly with respect to a width direction of an edge guide auxiliary water flow-down surface of each edge guide from an upper portion toward a lower portion of the flow-down surface, wherein the flow-down surface has at its upper portion a flat surface portion, and wherein the flow-down surface has at its lower portion an arc-shaped portion which is provided at a center and which protrudes in the shape of an arc, and a flat surface portion which is provided on both sides of the arc-shaped portion.Type: ApplicationFiled: September 7, 2010Publication date: March 10, 2011Applicant: RICOH COMPANY, LTD.Inventors: Hiroki SOMADA, Kazuhisa Yamamoto, Tetsuya Hara