Patents by Inventor Naoki Fujimoto

Naoki Fujimoto 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: 11371165
    Abstract: A vapor phase epitaxial growth device comprises a reactor vessel. The device comprises a wafer holder arranged in the reactor vessel. The device comprises a first material gas supply pipe configured to supply first material gas to the reactor vessel. The device comprises a second material gas supply pipe configured to supply second material gas, which is to react with the first material gas, to the reactor vessel. The device comprises a particular gas supply pipe having a solid unit arranged on a supply passage. The device comprises a first heater unit configured to heat the solid unit to a predetermined temperature or higher. The solid unit comprises a mother region and a first region arranged continuously within the mother region. The mother region is a region that does not decompose at the predetermined temperature. The first region is a region that decomposes at the predetermined temperature and contains Mg.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: June 28, 2022
    Assignee: NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM
    Inventors: Shugo Nitta, Naoki Fujimoto, Hiroshi Amano, Yoshio Honda
  • Publication number: 20220189731
    Abstract: A charged particle beam apparatus includes: a specimen chamber; a specimen holder that is disposed in the specimen chamber; a specimen exchange chamber that is connected to the specimen chamber; a transporting mechanism that transports a specimen between the specimen chamber and the specimen exchange chamber; a first temperature sensor that measures a temperature of the specimen holder; a second temperature sensor that measures a temperature of the transporting mechanism; and a control unit. The control unit: calculates a temperature difference between the specimen holder and the transporting mechanism based on the temperature of the specimen holder and the temperature of the transporting mechanism when the control unit has received an instruction to transport a specimen; determining whether the temperature difference is a threshold or more; and stopping transportation of a specimen when the control unit has determined that the temperature difference is the threshold or more.
    Type: Application
    Filed: December 15, 2021
    Publication date: June 16, 2022
    Inventors: Naoki Fujimoto, Izuru Chiyo
  • Patent number: 11342158
    Abstract: There is provided a charged particle beam system capable of determining the type of each cartridge precisely. An electron microscope that embodies the charged particle beam system includes a discriminator for determining the type of each cartridge based on the range or distance measured by a laser range finder. Plural cartridges are received in a magazine. The laser range finder measures the range to a selected one of the plural cartridges which is placed in a measurement position. A first cartridge of a first type included in the plural cartridges has a first measurement surface at a first distance to the laser range finder when placed in the measurement position. A second cartridge of a second type has a second measurement surface at a second range to the laser range finder when placed in the measurement position.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: May 24, 2022
    Assignee: JEOL Ltd.
    Inventors: Izuru Chiyo, Naoki Fujimoto, Tomoyuki Naganuma
  • Publication number: 20220081066
    Abstract: A bicycle derailleur comprises a base member, a movable member, a motor unit, and a controller. The controller is configured to control the motor unit to rotate an output shaft of the motor unit at a first maximum voltage during a first shifting operation of the chain in a first shifting direction. The controller is configured to control the motor unit to rotate the output shaft of the motor unit at a second maximum voltage during a second shifting operation of the chain in a second shifting direction. The first maximum voltage is different from the second maximum voltage.
    Type: Application
    Filed: September 11, 2020
    Publication date: March 17, 2022
    Applicant: SHIMANO INC.
    Inventors: Naoki FUJIMOTO, Katsuhiro TACHIBANA, Yutaro YAMADA
  • Publication number: 20220068569
    Abstract: A separator for an aluminum electrolytic capacitor. The separator makes it possible to use inexpensive fibers and has excellent impedance characteristics and short-circuit resistance performance. When the separator for an aluminum electrolytic capacitor is interposed between a positive electrode and a negative electrode of an aluminum electrolytic capacitor and 500 V are applied during separator dielectric breakdown testing, the separator for an aluminum electrolytic capacitor has a short-circuit rate of no more than 10%.
    Type: Application
    Filed: December 4, 2019
    Publication date: March 3, 2022
    Applicant: NIPPON KODOSHI CORPORATION
    Inventors: Kosuke TANAKA, Naoki FUJIMOTO, Atsushi IGAWA
  • Publication number: 20210403126
    Abstract: A front derailleur comprises a base member, a chain guide, and a linkage structure. The base member includes a mounting hole. The mounting hole has a center axis. The linkage structure comprises a first link member and a second link member. The first link member is pivotally coupled to the base member about a first pivot axis. The second link member is pivotally coupled to the base member about a second pivot axis. The first link member is pivotally coupled to the chain guide about a third pivot axis. The second link member is pivotally coupled to the chain guide about a fourth pivot axis. At least three of the first pivot axis, the second pivot axis, the third pivot axis, and the fourth pivot axis are non-parallel to and non-perpendicular to the center axis of the mounting hole.
    Type: Application
    Filed: June 30, 2020
    Publication date: December 30, 2021
    Applicant: SHIMANO INC.
    Inventor: Naoki FUJIMOTO
  • Publication number: 20210403124
    Abstract: A bicycle derailleur comprises a base member, a chain guide, a motor unit, and a linkage structure. The base member has at least one first link-pin-receiving opening. The motor unit has at least one second link-pin-receiving opening. The linkage structure comprises at least one link member and at least one link pin. The at least one link member is configured to movably couple the chain guide to the base member. The at least one link member has at least one third link-pin-receiving opening. The at least one link pin is configured to pivotally couple the at least one link member to the base member about at least one link pivot axis. One of the at least one link pin is configured to extend through the at least one first link-pin-receiving opening, the at least one second link-pin-receiving opening, and the at least one third link-pin-receiving opening.
    Type: Application
    Filed: June 30, 2020
    Publication date: December 30, 2021
    Applicant: SHIMANO INC.
    Inventor: Naoki FUJIMOTO
  • Publication number: 20210403125
    Abstract: A bicycle derailleur comprises a base member, a linkage structure, and a motor unit. The linkage structure includes a first link pin rotatably mounted to the base member about a first pivot axis. The motor unit is configured to apply rotational force to the first link pin to rotate the first link pin relative to the base member about the first pivot axis.
    Type: Application
    Filed: June 30, 2020
    Publication date: December 30, 2021
    Applicant: SHIMANO INC.
    Inventors: Naoki FUJIMOTO, Takeshi UEDA
  • Patent number: 11205558
    Abstract: A sample exchange device includes a first transport mechanism that includes a grip portion that grips a sample holding member and transports a sample holding member to a sample exchange chamber, a cooling unit that cools the sample exchange chamber, fiber sensors that detect whether or not the grip portion of the first transport mechanism grips the sample holding member in the sample exchange chamber, and a control unit. The control unit turns on the fiber sensors when the grip portion of the first transport mechanism enters the sample exchange chamber and turns off the fiber sensors after it is detected whether or not the grip portion of the first transport mechanism grips the sample holding member.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: December 21, 2021
    Assignee: JEOL Ltd.
    Inventors: Naoki Fujimoto, Kimitaka Hiyama
  • Patent number: 11198918
    Abstract: The present invention has as its object to provide thickness 60 ?m or less ultra-thin stainless steel foil which secures high thickness precision and simultaneously secures plastic deformability and good elongation at break, that is, secures good press-formability (deep drawability). The present invention solves this problem by ultra-thin stainless steel foil which has three or more crystal grains in a thickness direction, has a recrystallization rate of 90% to 100%, and has a nitrogen concentration of a surface layer of 1.0 mass % or less. For this reason, there is provided a method of production of stainless steel foil comprising rolling stainless steel sheet, then performing final annealing and making a thickness 5 ?m to 60 ?m, wherein a rolling reduction ratio at rolling right before final annealing is 30% or more, a temperature of final annealing after rolling is 950° C. to 1050° C. in the case of austenitic stainless steel and 850° C. to 950° C.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: December 14, 2021
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Hiroto Unno, Shinichi Terashima, Toru Inaguma, Koichi Nose, Naoki Fujimoto, Naoya Sawaki, Shuji Nagasaki
  • Patent number: 11192607
    Abstract: An electric front derailleur is basically provided with a base, a chain guide, a linkage and an electric motor unit. The base is configured to be mounted to a bicycle. The chain guide is configured to guide a chain. The linkage movably couples the chain guide to the base in a forward-rearward direction to move the chain guide between a retracted position and an extended position in a mounted state where the base is mounted to the bicycle. The electric motor unit is supported on the base and operatively coupled to the linkage to move the chain guide between the retracted position and the extended position. The electric motor unit is arranged at least partly closer to the bicycle than the chain guide.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: December 7, 2021
    Assignee: Shimano Inc.
    Inventor: Naoki Fujimoto
  • Publication number: 20210340664
    Abstract: A metal mask material for OLED use reduced in amount warpage due to etching, a method for manufacturing the same, and a metal mask are provided. The metal mask material and metal mask of the present invention contain, by mass %, Ni: 35.0 to 37.0% and Co: 0.00 to 0.50%, have a balance of Fe and impurities, have thicknesses of 5.00 ?m or more and 50.00 ?m or less, and have amounts of warpage defined as maximum values in amounts of rise of four corners of a square shaped sample of the metal mask material of 100 mm sides when etching the sample from one surface until the thickness of the sample becomes ? and placing the etched sample on a surface plate of 5.0 mm or less.
    Type: Application
    Filed: September 27, 2019
    Publication date: November 4, 2021
    Applicant: NIPPON STEEL Chemical & Material Co., Ltd.
    Inventors: Mitsuharu YONEMURA, Naoki FUJIMOTO, Keita KIMURA, Hiroto UNNO
  • Patent number: 11145781
    Abstract: A light reception/emission element module comprises a substrate, a light emitting element disposed on the substrate, a first light receiving device disposed on the substrate apart from the light emitting element, and an upper wall located above the substrate. The upper wall comprises a facing surface facing the light emitting element and the first light receiving element. The light reception/emission element module of the disclosure further comprises a second light emitting element disposed on the substrate. The upper wall further comprises a first light passing portion located above the light emitting element, a second light passing portion located above the second light receiving element, and an intermediate portion located in a region between the first light passing portion and the second light passing portion. At least part of a lower surface of the intermediate portion comprises the facing surface.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: October 12, 2021
    Assignee: KYOCERA CORPORATION
    Inventor: Naoki Fujimoto
  • Publication number: 20210313142
    Abstract: There is provided a charged particle beam system capable of determining the type of each cartridge precisely. An electron microscope that embodies the charged particle beam system includes a discriminator for determining the type of each cartridge based on the range or distance measured by a laser range finder. Plural cartridges are received in a magazine. The laser range finder measures the range to a selected one of the plural cartridges which is placed in a measurement position. A first cartridge of a first type included in the plural cartridges has a first measurement surface at a first distance to the laser range finder when placed in the measurement position. A second cartridge of a second type has a second measurement surface at a second range to the laser range finder when placed in the measurement position.
    Type: Application
    Filed: April 6, 2021
    Publication date: October 7, 2021
    Inventors: Izuru Chiyo, Naoki Fujimoto, Tomoyuki Naganuma
  • Publication number: 20210310154
    Abstract: A vapor phase epitaxial growth device comprises a reactor vessel. The device comprises a wafer holder arranged in the reactor vessel. The device comprises a first material gas supply pipe configured to supply first material gas to the reactor vessel. The device comprises a second material gas supply pipe configured to supply second material gas, which is to react with the first material gas, to the reactor vessel. The device comprises a particular gas supply pipe having a solid unit arranged on a supply passage. The device comprises a first heater unit configured to heat the solid unit to a predetermined temperature or higher. The solid unit comprises a mother region and a first region arranged continuously within the mother region. The mother region is a region that does not decompose at the predetermined temperature. The first region is a region that decomposes at the predetermined temperature and contains Mg.
    Type: Application
    Filed: December 19, 2019
    Publication date: October 7, 2021
    Inventors: Shugo NITTA, Naoki FUJIMOTO, Hiroshi AMANO, Yoshio HONDA
  • Patent number: 11113134
    Abstract: A computer system that includes an active system service processor, a standby system service processor having a memory, and a unit, in which the active system service processor includes a first control unit configured to acquire log information indicating a log of the unit to cause the memory to store the information, and to output a read instruction for reading the log information to the standby system service processor according to an operation of instructing to read the log information, and the standby system service processor includes a second control unit configured to read the log information from the memory according to the read instruction, and to execute processing related to the read log information.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: September 7, 2021
    Assignee: NEC Platforms, Ltd.
    Inventor: Naoki Fujimoto
  • Publication number: 20210273232
    Abstract: The present invention has as its technical issue to secure not only mechanical strength but also conductivity by increasing the contact area with the positive electrode active substance or positive electrode mixture while also securing corrosion resistance to alkali or an electrolytic solution when applying stainless steel foil to a current collector for a positive electrode of a secondary battery so as to deal with the increasingly higher capacities and smaller sizes and lighter weights of lithium ion secondary batteries and has as its object the provision of a current collector for a positive electrode of a secondary battery using such stainless steel foil.
    Type: Application
    Filed: June 27, 2019
    Publication date: September 2, 2021
    Applicant: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Tatsuo NAGATA, Hiroto UNNO, Masahiro FUKUDA, Naoki FUJIMOTO
  • Patent number: 11094475
    Abstract: A separator for an electrochemical element suitable extends the service life of an electrochemical element under high temperature conditions. This separator for an electrochemical element is disposed between a pair of electrodes and is for separating the two electrodes from each other and retaining an electrolytic solution, wherein the separator contains a cellulose-based fiber, and the limiting viscosity of the separator as measured by the measurement method specified in JIS P 8215 is in a range of 150-500 ml/g.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: August 17, 2021
    Assignee: NIPPON KODOSHI CORPORATION
    Inventors: Atsushi Igawa, Naoki Fujimoto, Masahiko Ueta
  • Patent number: 11077916
    Abstract: A bicycle chain guide includes a base and a chain guide. The base is configured to be mounted to a bicycle that includes a solitary sprocket having a rotational center axis. The chain guide is disposed above the solitary bicycle sprocket in a mounted state where the base is mounted to the bicycle. The chain guide includes a first guide plate, a second guide plate, and a bridge. The first guide plate has a first guiding surface. The second guide plate is closer to the base than the first guide plate and has a second guiding surface facing the first guiding surface to define a chain guiding slot between the first guiding surface and the second guiding surface. The bridge connects the first guide plate and the second guide plate.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: August 3, 2021
    Assignee: SHIMANO INC.
    Inventor: Naoki Fujimoto
  • Publication number: 20210155316
    Abstract: A derailleur comprises a base member, a movable member, a linkage structure, a pulley assembly, and a rotational force control structure configured to control rotational force of the pulley assembly relative to the movable member. The pulley assembly is pivotally movable relative to the movable member about a pivot axis in first and second directions. The pulley assembly is configured to move in the first direction upon moving from a second pivotal position toward a first pivotal position. The rotational force control structure includes a cam member having a first cam surface, an abutment member configured to abut the first cam surface, and a biasing member configured to bias the abutment member. The abutment member is configured to abut the first cam surface by the biasing member to apply first additional force to the pulley assembly in the first direction while the pulley assembly is in the first pivotal position.
    Type: Application
    Filed: November 27, 2019
    Publication date: May 27, 2021
    Applicant: Shimano Inc.
    Inventors: Naoki FUJIMOTO, Tsuyoshi FUKUMORI