Patents by Inventor Takashi Tsutsumi

Takashi Tsutsumi 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: 11855318
    Abstract: The present invention aims to provide a fuel battery system improved in reliability by accurately detecting when a fuel electrode gas or an air electrode gas has leaked. A fuel battery cell according to the present invention includes a first electrode, an electrolyte membrane, and a second electrode which are layered on a support substrate. Further, at least any one of the first electrode, the electrolyte membrane, and the second electrode is electrically isolated by an insulating member to form a first region and a second region. The insulating member is disposed at a position where the insulating member does not overlap with an opening portion of the support substrate (refer to FIG. 3).
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: December 26, 2023
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Munenori Degawa, Noriyuki Sakuma, Yoshitaka Sasago, Aritoshi Sugimoto, Nobuyuki Mise, Takashi Tsutsumi
  • Publication number: 20230305397
    Abstract: Provided is a negative photosensitive resin composition. The negative photosensitive resin composition contains a polymer and a photo-radical generator. The polymer includes a structural unit (I) represented by formula (I), shown below, and a structural unit (II) represented by formula (II), shown below. In formula (I), R1 to R3 each indicate, independently of one another, a hydrogen atom, an alkyl group, or an aromatic ring group, R1 to R3 may be bonded to form a ring, R4 indicates a hydrogen atom or an alkyl group, X indicates an alkylene group having a carbon number of 1 to 10, and m indicates 0, 1, or 2. In formula (II), R5 to R8 each indicate, independently of one another, a hydrogen atom, an alkyl group, or an aromatic ring group, R5 to R8 may be bonded to form a ring, and n indicates 0, 1, or 2.
    Type: Application
    Filed: September 13, 2021
    Publication date: September 28, 2023
    Applicant: ZEON CORPORATION
    Inventor: Takashi TSUTSUMI
  • Publication number: 20230170172
    Abstract: A hermetically sealed electromagnetic contactor includes a main contact unit (21) configured to open and close an electrical path of a main circuit by moving along a predetermined opening/closing direction, an electromagnet unit (23) configured to switch opening/closing of the main contact unit (21), a container body (12) made of resin inside which the main contact unit (21) and the electromagnet unit (23) are arranged, an auxiliary contact unit (22) disposed outside the container body (12) on one side in the opening/closing direction of the main contact unit (21) and configured to open and close an electrical path of an auxiliary circuit by moving along the opening/closing direction in conjunction with the main contact unit (21), and an auxiliary contact housing portion (13) made of resin inside which the auxiliary contact unit (22) is arranged, the auxiliary contact housing portion (13) communicating with the inside of the container body (12), in which the insides of the container body (12) and the auxiliar
    Type: Application
    Filed: December 28, 2022
    Publication date: June 1, 2023
    Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.
    Inventors: Takashi TSUTSUMI, Koujun KONISHI, Hideo ADACHI
  • Publication number: 20230154710
    Abstract: A hermetically sealed electromagnetic contactor includes a pair of fixed contact pieces having fixed contacts, a movable contact piece having a pair of movable contacts and capable of coming into contact with and being separated from the fixed contacts of the pair of fixed contact pieces, an electromagnet unit configured to drive the movable contact piece, a hermetically sealed container configured to house the pair of fixed contact pieces, the movable contact piece, and the electromagnet unit in the same space in a hermetically sealed manner and being filled with arc-extinguishing gas, and two pairs of arc-extinguishing permanent magnets arranged inside the hermetically sealed container and configured to stretch arcs generated between the fixed contacts of the pair of fixed contact pieces and the pair of movable contacts of the movable contact piece.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 18, 2023
    Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.
    Inventors: Takashi TSUTSUMI, Koujun KONISHI, Hideo ADACHI
  • Publication number: 20230145550
    Abstract: A gas filling structure includes a through-hole (91) formed in a hermetically sealed container (11) made of resin to fill the hermetically sealed container (11) with gas and a screw (92) fastened to the through-hole (91) to seal the through-hole (91).
    Type: Application
    Filed: January 3, 2023
    Publication date: May 11, 2023
    Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.
    Inventors: Takashi TSUTSUMI, Koujun KONISHI, Hideo ADACHI
  • Publication number: 20230136542
    Abstract: A hermetically sealed electromagnetic contactor including: a pair of fixed contact pieces having fixed contacts; a movable contact piece having a pair of movable contacts capable of coming into contact with and being separated from the fixed contacts of the pair of fixed contact pieces; an electromagnet unit configured to drive the movable contact piece; and a hermetically sealed container configured to house the pair of fixed contact pieces and the movable contact piece in a hermetically sealed manner.
    Type: Application
    Filed: December 27, 2022
    Publication date: May 4, 2023
    Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.
    Inventors: Takashi TSUTSUMI, Shotaro NAKAYAMA, Hideo ADACHI
  • Publication number: 20230134636
    Abstract: A hermetically sealed electromagnetic contactor including: a main contact unit including a pair of main fixed contact pieces, each of the main fixed contact pieces having a main fixed contact at one end and a terminal portion to be connected to a main circuit at the other end, and a main movable contact piece having a pair of main movable contacts configured to come into contact with and be separated from the main fixed contacts and configured to open and close an electrical path of the main circuit; a contact support configured to support the main movable contact piece; an electromagnet unit configured to switch opening/closing of the main contact unit via the contact support; and a hermetically sealed container made of resin on an inside of which the main contact unit and the electromagnet unit are arranged, the hermetically sealed container having the inside filled with insulating gas.
    Type: Application
    Filed: December 29, 2022
    Publication date: May 4, 2023
    Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.
    Inventors: Takashi TSUTSUMI, Koujun KONISHI, Hideo ADACHI
  • Publication number: 20230127271
    Abstract: A fuel cell 1 includes a silicon substrate 2, a porous support material layer 5, a plurality of holes 60 or columns 40, and a stacked body. The stacked body includes an upper electrode layer 10, a solid electrolyte layer 100 and a lower electrode layer 20. The upper electrode layer 10 is also formed on a surface parallel to a main surface of the silicon substrate 2 in a manner of being continuous to the upper electrode layer 10 formed in the plurality of holes 60 or columns 40, or the lower electrode layer 20 is also formed on a surface parallel to the main surface of the silicon substrate 2 in a manner of being continuous to the lower electrode layer 20 formed in the plurality of holes 60 or columns 40. The stacked body is supported by the porous support material layer 5 in at least upper end portions and lower end portions of the plurality of holes 60 or columns 40.
    Type: Application
    Filed: May 13, 2020
    Publication date: April 27, 2023
    Inventors: Yoshitaka SASAGO, Noriyuki SAKUMA, Natsuki YOKOYAMA, Atsushi UNEMOTO, Takashi TSUTSUMI, Aritoshi SUGIMOTO, Toru ARAMAKI, Nobuyuki MISE
  • Publication number: 20230072665
    Abstract: The invention is to provide a semiconductor manufacturing apparatus system and a semiconductor device manufacturing method for reducing particles having an adverse effect in a manufacturing step of a semiconductor device.
    Type: Application
    Filed: May 13, 2021
    Publication date: March 9, 2023
    Inventors: Toru Aramaki, Go Saito, Kenichiro Komeda, Yuji Enomoto, Takashi Tsutsumi
  • Publication number: 20230006233
    Abstract: An object of the present invention is to provide a fuel cell that maintains electric generation efficiency of the fuel cell and that has high reliability in which an electrolyte film is not easily damaged. The fuel cell according to the present invention includes a stress adjusting layer covering an opening above a support substrate, and the stress adjusting layer has tensile stress with respect to the support substrate and has a columnar crystal structure in which a grain boundary extends along a direction parallel to a film thickness direction (see FIG. 2).
    Type: Application
    Filed: November 8, 2019
    Publication date: January 5, 2023
    Inventors: Noriyuki SAKUMA, Yoshitaka SASAGO, Yumiko ANZAI, Sonoko MIGITAKA, Natsuki YOKOYAMA, Takashi TSUTSUMI, Aritoshi SUGIMOTO, Toru ARAMAKI
  • Publication number: 20220399558
    Abstract: An object of the present invention is to provide a fuel battery cell of a high power generation output by increasing an area of an effective power generation region contributing to power generation while ensuring mechanical strength of the fuel battery cell. The fuel battery cell according to the present invention is provided with a first and a second insulating films between a support substrate and a first electrode. The support substrate has a first opening, the first insulating film has a second opening, and the second insulating film has a third opening. An opening area of the first opening is larger than that of the second opening, and an opening area of the third opening is larger than that of the second opening (see FIG. 2).
    Type: Application
    Filed: November 7, 2019
    Publication date: December 15, 2022
    Inventors: Noriyuki SAKUMA, Yoshitaka SASAGO, Yumiko ANZAI, Sonoko MIGITAKA, Natsuki YOKOYAMA, Takashi TSUTSUMI, Aritoshi SUGIMOTO, Toru ARAMAKI
  • Publication number: 20220393215
    Abstract: An object of the invention is to increase the output power of a solid oxide fuel cell by making a lower electrode layer porous so as to form a three-phase interface and reducing a thickness of a solid electrolyte layer to 1 micrometer or less. A fuel cell according to the invention includes a first electrode layer at a position where an opening formed in a board is covered, and a solid electrolyte layer having a thickness of 1000 nm or less. At least a part of a region of the first electrode layer covering the opening is porous (see FIG. 5).
    Type: Application
    Filed: November 7, 2019
    Publication date: December 8, 2022
    Inventors: Yoshitaka SASAGO, Noriyuki SAKUMA, Yumiko ANZAI, Sonoko MIGITAKA, Natsuki YOKOYAMA, Takashi TSUTSUMI, Aritoshi SUGIMOTO, Toru ARAMAKI
  • Publication number: 20220384835
    Abstract: The present invention aims to reduce a failure in a fuel cell module and reduce manufacturing costs by specifying and taking countermeasures against cells in short-circuit failure from among fuel cells manufactured on a substrate by using a thin-film deposition process. In a fuel cell array according to the present invention, each fuel cell includes a solid electrolyte layer between a first electrode layer and a second electrode layer. A first wiring is connected to the second electrode layer, and a second wiring is connected to the first electrode layer through a connection element. The connection element is formed by sandwiching a conductive layer between two electrodes (refer to FIG. 8).
    Type: Application
    Filed: November 7, 2019
    Publication date: December 1, 2022
    Inventors: Yoshitaka SASAGO, Noriyuki SAKUMA, Yumiko ANZAI, Sonoko MIGITAKA, Natsuki YOKOYAMA, Takashi TSUTSUMI, Aritoshi SUGIMOTO, Toru ARAMAKI
  • Publication number: 20220181658
    Abstract: The present invention aims to provide a fuel battery system improved in reliability by accurately detecting when a fuel electrode gas or an air electrode gas has leaked. A fuel battery cell according to the present invention includes a first electrode, an electrolyte membrane, and a second electrode which are layered on a support substrate. Further, at least any one of the first electrode, the electrolyte membrane, and the second electrode is electrically isolated by an insulating member to form a first region and a second region. The insulating member is disposed at a position where the insulating member does not overlap with an opening portion of the support substrate (refer to FIG. 3).
    Type: Application
    Filed: April 26, 2019
    Publication date: June 9, 2022
    Applicant: HITACHI HIGH-TECH CORPORATION
    Inventors: Munenori DEGAWA, Noriyuki SAKUMA, Yoshitaka SASAGO, Aritoshi SUGIMOTO, Nobuyuki MISE, Takashi TSUTSUMI
  • Publication number: 20200407477
    Abstract: A polymer includes a monomer unit (A) represented by formula (I), shown below, and a monomer unit (B) represented by formula (II), shown below, and has a weight-average molecular weight of 30,000 or more. In formula (I), B is a bridged saturated hydrocarbon cyclic group that is optionally substituted and n is 0 or 1. In formula (II), R1 is an alkyl group and p is an integer of not less than 0 and not more than 5, and in a case in which more than one R1 is present, each R1 may be the same or different.
    Type: Application
    Filed: March 8, 2019
    Publication date: December 31, 2020
    Applicant: ZEON CORPORATION
    Inventor: Takashi TSUTSUMI
  • Publication number: 20190389991
    Abstract: Provided is a polymer that can form a resist pattern having excellent dry etching resistance when used as a main chain scission-type positive resist. The polymer includes a monomer unit (A) represented by formula (I), shown below, and a monomer unit (B) represented by formula (II), shown below. In formula (I), B is a bridged saturated hydrocarbon cyclic group that is optionally substituted and n is 0 or 1. In formula (II), R1 is an alkyl group and p is an integer of not less than 0 and not more than 5. In a case in which more than one R1 is present, each R1 may be the same or different.
    Type: Application
    Filed: February 21, 2018
    Publication date: December 26, 2019
    Applicant: ZEON CORPORATION
    Inventor: Takashi TSUTSUMI
  • Patent number: 10424452
    Abstract: An operation coil drive device includes a drive control unit to perform control to set, for a semiconductor switching element to switch on and off the source voltage applied to an operation coil of a magnetic contactor, a larger ON/OFF time ratio for a circuit-closing control and a smaller ON/OFF time ratio for a holding control, wherein the drive control unit includes: a circuit-closing-control inductance calculation unit to calculate an inductance of the operation coil immediately after a start of the circuit-closing control; a circuit-closing-control resistance value calculation unit to calculate a direct current resistance value of the operation coil based on the calculation result; and a circuit-closing-control switching correction unit to correct the ON/OFF time ratio of the semiconductor switching element for the circuit-closing control based on the calculation result.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: September 24, 2019
    Assignee: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.
    Inventors: Naoyuki Matsuo, Takahiro Taguchi, Masahiro Motonobu, Takashi Tsutsumi
  • Patent number: 10347452
    Abstract: A polarized DC electromagnetic device and electromagnetic contactor using same to improve assembly efficiency without size increase of the electromagnetic device. The device includes a plunger inserted through a cylindrical portion of a spool around which an excitation coil is wound and having a first armature and a second armature attached to both ends, an outer yoke attracting the first armature and the second armature, an inner yoke disposed inside the outer yoke and attracting the second armature, and a permanent magnet disposed between the outer yoke and the inner yoke. The spool includes radially protruding flange portions respectively formed at both ends of the cylindrical portion, a coil terminal attachment portion formed in the flange portion on the first armature side, and a coil terminal attached to the coil terminal attachment portion.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: July 9, 2019
    Assignee: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.
    Inventors: Takashi Tsutsumi, Masaaki Watanabe, Hideki Daijima, Shota Shiinoki
  • Patent number: 10297407
    Abstract: An electromagnetic contactor in which a shock-absorbing member is integrally formed in a frame. The electromagnetic contactor includes a first frame in which an operating electromagnet is disposed and coil terminals which supply power to a coil of the electromagnet is formed to project from a side surface, and a second frame in which a contact mechanism having an auxiliary contact is disposed and has power source side terminals on one end side and load side terminals on the other end side, and in the first frame and the second frame, a snap fit is formed which can attach the second frame to the first frame in both of a normal direction coupled state where the coil terminals and the power source side terminals face the same direction and a reverse direction coupled state in which the coil terminals and the load side terminals face the same direction.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: May 21, 2019
    Assignee: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.
    Inventors: Takashi Tsutsumi, Masaaki Watanabe, Hideki Daijima, Shota Shiinoki
  • Patent number: 10273843
    Abstract: A lubricating structure for a four-stroke engine includes a first oil groove and a second oil groove. The engine includes a crankcase, a cylinder, a cylinder head and an oil pan. The crankcase makes up a crank chamber. The cylinder head is equipped with a valve chamber housing valve driving mechanism. The oil pan is provided on a bottom of the crank chamber. The first oil groove leads mist of the lubricating oil in the crank chamber to the valve chamber by communicating the crank chamber and the valve chamber with each other. The second oil groove leads surplus lubricating oil in the valve chamber to the oil pan in the crank chamber by communicating a lower part of the valve chamber with a neighborhood of the oil pan in the crank chamber. The first oil groove is set smaller in flow path cross-sectional area than the second oil groove.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: April 30, 2019
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Yasuomi Ishihara, Takashi Tsutsumi