Patents by Inventor Kenji Seki

Kenji Seki 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: 20240351351
    Abstract: A heating device includes a heater and a cover to cover the heater. In the heating device, the cover includes a first cover disposed in a first direction of the heater and a second cover disposed in the first direction, and the second cover is adjacent to the first cover. In the heating device, the first cover and the second cover have a gap in between, and the gap has a length greater than an amount of thermal deformation of either one of the first cover or the second cover or a total amount of thermal deformation of the first cover and the second cover.
    Type: Application
    Filed: April 19, 2024
    Publication date: October 24, 2024
    Applicant: Ricoh Company Ltd.
    Inventors: Takayuki SEKI, Kenji NOZAWA, Kohki ASADA, Genichiroh KAWAMICHI, Takehiro NAKAMURA, Hiroki ISHIHARA
  • Publication number: 20240264186
    Abstract: Communication between laboratory technicians is assisted, and cooperation between the laboratory technicians is promoted. Accordingly, in response to an alarm from an automated analysis device: estimating, on the basis of sensor data regularly transmitted from a first mobile device, a status including a location and an action of a first laboratory technician holding the first mobile device that has been registered for a planned handler; estimating, on the basis of sensor data regularly transmitted from a second mobile device, a status including a location and an action of a second laboratory technician holding the second mobile device that has been registered for a helper; and identifying a handler for resolving the alarm of the automated analysis device on the basis of the statuses that the first laboratory technician and the second laboratory technician immediately before a timing where the alarm of the automated analysis device was resolved.
    Type: Application
    Filed: May 23, 2022
    Publication date: August 8, 2024
    Inventors: Kenji KAWASAKI, Nobuhiro KOIZUMI, Aika NAKAJIMA, Yoshihiro SEKI
  • Patent number: 11896949
    Abstract: An adsorbent to be packed into a canister, at least containing activated carbon and an additive material that has a higher heat capacity than the activated carbon. The adsorbent has first pores derived from the activated carbon that are less than 100 nm and second pores derived from meltable cores that are 1 ?m or more. The adsorbent is in the form of a hollow molded body having an outer diameter of more than 6 mm and not more than 50 mm and including a cylindrical wall and honeycomb walls each having a thickness of not less than 0.2 mm and not more than 1 mm. The adsorbent has a volumetric specific heat of 0.08 kcal/L·° C. or more. The ratio of the volume of the second pores to the volume of the first pores is not less than 10% and not more than 200%.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: February 13, 2024
    Assignee: Mahle International GmbH
    Inventors: Kenji Seki, Takayuki Hamase, Koji Yamasaki
  • Publication number: 20240010011
    Abstract: A processing device includes a support table to support a sheet medium, a sheet cutter to cut the medium supported on the support table, a cutter holder to move the sheet cutter in a toward-away direction in which the sheet cutter moves toward and away from the support table, and a cutter transporter to move the cutter holder in a cutting direction that is orthogonal to a transport direction of the medium. The cutter holder includes a holder movable in the toward-away direction and that holds the sheet cutter, an actuator including a rod that extends or retracts, a link connected to the rod and the holder, and a rotation shaft that rotatably supports the link so that the holder moves in the toward-away direction in response to extension or retraction of the rod.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 11, 2024
    Inventors: Kenji SEKI, Yuichi SUGIYAMA, Akihiro SUZUKI, Ryosuke NONAKA
  • Publication number: 20230187200
    Abstract: A method for treating surface of substrate, the method including forming a film including a high molecular weight condensate of a silylation agent on the surface thereof to allow a substrate having a plurality of regions to be modified at modification degrees that are different depending on materials of the regions on a surface of the substrate. The method includes preparing a substrate having a surface including two or more regions having different materials; exposing the surface to a surface treatment agent; and baking the substrate, the method not including rinsing the surface with a liquid between the exposing and the baking, the surface treatment agent including a silylation agent and not a nitrogen-containing heterocyclic compound, the silylation agent including organomonosilane that has 2 to 4 nitrogen atoms bonded to a silicon atom.
    Type: Application
    Filed: November 21, 2022
    Publication date: June 15, 2023
    Inventors: Kazuya TAJIMA, Kenji SEKI
  • Publication number: 20230144145
    Abstract: Provided is a canister that includes a first adsorbing layer K1 including a first adsorbing material Q1 as an adsorbing material Q and a second adsorbing layer K2 including, as the adsorbing material Q, a second adsorbing material Q2 different from the first adsorbing material Q1. The first absorbing layer K1 and the second absorbing layer K2 are provided inside a casing 10. In a flowing direction of fuel vapor J between one end and another end of the casing 10, the first adsorbing layer K1 is disposed at a position in contact with an air port 10a at the other end, and the second adsorbing layer K2 is disposed closer to the one end than the first adsorbing layer K1 is. The first adsorbing material Q1 adsorbs the fuel vapor J at an adsorbing rate that is lower than an adsorbing rate of the second adsorbing material Q2.
    Type: Application
    Filed: November 4, 2022
    Publication date: May 11, 2023
    Inventors: Kenji Seki, Kunihisa Iwasaki, Kazuki Sakai
  • Publication number: 20230146244
    Abstract: Provided is a canister that includes a first adsorbing layer K1 including a first adsorbing material Q1 as an adsorbing material Q and a second adsorbing layer K2 including, as the adsorbing material Q, a second adsorbing material Q2 different from the first adsorbing material Q1. The first absorbing layer K1 and the second absorbing layer K2 are provided inside a casing 10. In a flowing direction X of fuel vapor J between one end and another end of the casing 10, the first adsorbing layer K1 is disposed at a position in contact with an air port 10a at the other end, and the second adsorbing layer K2 is disposed closer to the one end than the first adsorbing layer K1 is. The first adsorbing material Q1 adsorbs the fuel vapor J at an adsorbing rate that is higher than an adsorbing rate of the second adsorbing material Q2.
    Type: Application
    Filed: November 4, 2022
    Publication date: May 11, 2023
    Inventors: Kenji Seki, Kunihisa Iwasaki, Kazuki Sakai
  • Publication number: 20230040210
    Abstract: A surface treatment agent including a compound represented by the general formula HO—P(?O)R1R2 in which R1 and R2 are each independently bonded to the phosphorus atom and are each independently a hydrogen atom, an alkyl group, a fluorinated alkyl group, or an aromatic hydrocarbon group which may have a substituent, provided that R1 and R2 are not hydrogen atoms at the same time, and an organic solvent.
    Type: Application
    Filed: July 8, 2022
    Publication date: February 9, 2023
    Inventors: Kenji SEKI, Jun IIOKA
  • Publication number: 20220356566
    Abstract: A surface treatment method for the substrate surface including two or more regions, the method including reacting a compound having the formula R1—P(?O)(OR2)(OR3), a basic nitrogen-containing compound, and the regions with each other such that a water contact angle on the metal region is greater by 10° or more with respect to a water contact angle on an insulator region close to the metal region. In compound (P-1), R1 is an alkyl group, an alkoxy group, a fluorinated alkyl group or an optionally substituted aromatic hydrocarbon group and R2 and R3 are each independently a hydrogen atom, an alkyl group, a fluorinated alkyl group or an optionally substituted aromatic hydrocarbon group.
    Type: Application
    Filed: April 12, 2022
    Publication date: November 10, 2022
    Inventors: Taiji NAKAMURA, Kenji SEKI, Jun IIOKA
  • Publication number: 20220195591
    Abstract: A surface treatment agent used for treating a substrate having a surface that has two or more regions made of different materials, in which at least one of the two or more regions has a metal surface, and pretreated with an oxidizing agent, the agent including a compound (P) represented by R1—P(?O)(OR2)(OR3), and an organic solvent (S) having a relative dielectric constant of 35 or less. In the formula, R1 represents an alkyl group or the like, and R2 and R3 represent a hydrogen atom or an alkyl group.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 23, 2022
    Inventors: Kenji SEKI, Jun IIOKA, Taiji NAKAMURA
  • Publication number: 20220195214
    Abstract: A surface treatment agent including a compound (P) represented by R1—P(?O) (OR2) (OR3) in which R1 is an alkyl group, an alkoxy group, a fluorinated alkyl group, or an aromatic hydrocarbon group which may have a substituent, and R2 and R3 are each independently a hydrogen atom, an alkyl group, a fluorinated alkyl group, or an aromatic hydrocarbon group which may have a substituent; a compound (S) represented by R—SH . . . in which R is an alkyl group having 3 or more carbon atoms, a fluorinated alkyl group having 3 or more carbon atoms, or an aromatic hydrocarbon group which may have a substituent; and a solvent.
    Type: Application
    Filed: December 2, 2021
    Publication date: June 23, 2022
    Inventors: Jun IIOKA, Kenji SEKI, Taiji NAKAMURA
  • Patent number: 11358976
    Abstract: A surface treatment agent including a compound represented by the following general formula (P-1) and an acid. In the formula, R1 represents a linear or branched alkyl group having 8 or more carbon atoms, a linear or branched fluorinated alkyl group having 8 or more carbon atoms, or an aromatic hydrocarbon group; R2 and R3 each independently represents a hydrogen atom, a linear or branched alkyl group having 8 or more carbon atoms, a linear or branched fluorinated alkyl group having 8 or more carbon atoms, or an aromatic hydrocarbon group R1—P(?O)(OR2)(OR3)??(P-1).
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: June 14, 2022
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Kenji Seki, Jun Iioka, Takumi Namiki
  • Publication number: 20220040627
    Abstract: An object of the present invention is to provide an adsorbent and a canister which can improve adsorption performance and purge performance. An adsorbent 10 to be packed in a canister includes: a cylindrical outer wall 10A, and a plurality of ribs 10B for partitioning along an axis of the outer wall 10A into a plurality of cells, wherein the thickness da of the outer wall 10A and the thickness d? of the ribs 10B is less than 0.6 mm, the thickness of at least either of the outer wall 10A and the ribs 10B exceeds 0.4 mm, the outer diameter D of the outer wall 10A is 3.5 mm or more and 40 mm or less, a BWC exceeds 3.0 g/dL, and purge efficiency((amount of butane adsorbed?amount of butane retained)/amount of butane adsorbed) is more than 0.86 or more.
    Type: Application
    Filed: September 24, 2019
    Publication date: February 10, 2022
    Inventors: Kenji Seki, Koji Yamasaki
  • Patent number: 11149694
    Abstract: Provided is a canister whose performance is enhanced while achieving the advantage of suppressing changes in temperature by using a heat storage material and overcoming the disadvantage of a reduction in the adsorption amount. A canister for treating evaporated fuel includes: a tank port that is in communication with an upper air chamber of a fuel tank of an internal combustion engine; a purge port that is in communication with an air intake path of the internal combustion engine; an atmospheric air port that is open to atmospheric air; and an adsorbent material chamber R that contains an activated carbon that adsorbs evaporated fuel that flows from the tank port to the atmospheric air port.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: October 19, 2021
    Assignee: Osaka Gas Chemicals Co., Ltd.
    Inventor: Kenji Seki
  • Publication number: 20210237030
    Abstract: An adsorbent to be packed into a canister, at least containing activated carbon and an additive material that has a higher heat capacity than the activated carbon. The adsorbent has first pores derived from the activated carbon that are less than 100 nm and second pores derived from meltable cores that are 1 ?m or more. The adsorbent is in the form of a hollow molded body having an outer diameter of more than 6 mm and not more than 50 mm and including a cylindrical wall and honeycomb walls each having a thickness of not less than 0.2 mm and not more than 1 mm. The adsorbent has a volumetric specific heat of 0.08 kcal/L·° C. or more. The ratio of the volume of the second pores to the volume of the first pores is not less than 10% and not more than 200%.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 5, 2021
    Inventors: Kenji Seki, Takayuki Hamase
  • Patent number: 10988649
    Abstract: A method for imparting water repellency to a substrate; a surface treatment agent used in the method; and a method for suppressing collapse of an organic or inorganic pattern in cleaning the substrate surface with a cleaning liquid. The method includes exposing a surface of a substrate to a surface treatment agent, the surface treatment agent including a water-repelling agent and a nitrogen-containing heterocyclic compound, the water-repelling agent including an alkoxymonosilane compound having a hydrophobic group bonded to a silicon atom. A surface treatment agent including a water-repelling agent and a nitrogen-containing heterocyclic compound, the water-repelling agent (A) including an alkoxymonosilane compound having a hydrophobic group bonded to a silicon atom.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 27, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Kenji Seki, Takumi Namiki
  • Patent number: 10961422
    Abstract: A surface treatment liquid capable of hydrophobizing a surface of a treatment target without including a silylation agent, a surface treatment method using the liquid, and a method for suppressing pattern collapse, including surface treatment by the surface treatment method. The liquid contains a nitrogen-containing heterocyclic compound as a water-repelling agent. A compound including one or more hydrocarbon groups which may be substituted with a halogen atom in which a total number of carbon atoms of the one or more hydrocarbon group is three or more, is used as the nitrogen-containing heterocyclic compound. The liquid may include only a nitrogen-containing heterocyclic compound having the above-described predetermined structure, as a water-repelling agent.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: March 30, 2021
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Shinji Kumada, Kenji Seki, Takumi Namiki
  • Patent number: 10941301
    Abstract: A surface treatment method for a substrate surface; a surface treatment agent used for the surface treatment method; and a method for forming a film on a substrate in a region-selective manner. The method includes exposing the surface to a surface treatment agent including a silylation agent and a nitrogen-containing heterocyclic compound, the surface including two or more regions, adjacent regions in the two or more regions having different materials, and a reaction between the silylation agent and the two or more regions causing contact angles of water to differ from each other with respect to adjacent regions in the two or more regions.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 9, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventor: Kenji Seki
  • Patent number: 10920179
    Abstract: A cleaning solution that is used, inter alia, for removal of residue of a photoresist pattern or etching residue, and has exceptional anticorrosion properties with respect to silicon nitride; and a method for cleaning a substrate using the cleaning solution. In a cleaning solution containing a hydrofluoric acid and a solvent, a polymer that includes units derived from a compound of a specific structure having a carboxylic acid amide bond (—CO—N<) and an unsaturated double bond is blended as an anticorrosive agent. Polyvinylpyrrolidone is preferred as the polymer used as the anticorrosive agent.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: February 16, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tatsuo Goto, Kenji Seki
  • Publication number: 20210017204
    Abstract: A surface treatment agent including a compound represented by the following general formula (P-1) and an acid. In the formula, R1 represents a linear or branched alkyl group having 8 or more carbon atoms, a linear or branched fluorinated alkyl group having 8 or more carbon atoms, or an aromatic hydrocarbon group; R2 and R3 each independently represents a hydrogen atom, a linear or branched alkyl group having 8 or more carbon atoms, a linear or branched fluorinated alkyl group having 8 or more carbon atoms, or an aromatic hydrocarbon group R1—P(?O)(OR2)(OR3)??(P-1).
    Type: Application
    Filed: July 13, 2020
    Publication date: January 21, 2021
    Inventors: Kenji Seki, Jun Iioka, Takumi Namiki