Patents by Inventor Masaki Fujii

Masaki Fujii 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: 20190257458
    Abstract: A resin tube fitting has a body with a sleeve allowing the longitudinal end of the tube to be put therein, an inner ring with a press-in portion configured to be pressed in the longitudinal end of the tube, and a union nut with a connector configured to be screwed to an outer periphery of the body to allow the longitudinal end of the tube to be put radially between the connector and the press-in portion. The inner ring and the union nut are made of resin, which has a property of contracting in response to change in ambient temperature. The radial contraction rate of the connector is higher by 0.05% or more than that of the press-in portion of the inner ring.
    Type: Application
    Filed: June 15, 2017
    Publication date: August 22, 2019
    Applicant: NIPPON PILLAR PACKING CO., LTD.
    Inventors: Makoto FUJII, Masaki MIYAMOTO, Tatsuya FUJII, Toshihide IIDA, Tomoyuki KOIKE, Shintaro MAKIHATA
  • Patent number: 10381620
    Abstract: A battery unit mounted on a vehicle, includes: a battery; a first electric junction box electrically connected to the battery; a second electric junction box electrically connected to the battery; and a case accommodating the battery, the first electric junction box, and the second electric junction box. The battery, the first electric junction box, and the second electric junction box are arranged in this order in a vehicle width direction. The first electric junction box is disposed along a side surface of one side of the battery in the vehicle width direction. The second electric junction box is held by a bracket which is inclined upward or downward, as the second electric junction box is separated from the first electric junction box in the vehicle width direction.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: August 13, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masaki Takahashi, Ryo Fujii, Suguru Umetsu, Atsushi Mizutani, Eiji Koike
  • Publication number: 20190203858
    Abstract: A resin tube fitting has: a body with an outer sleeve; an inner ring including an insert portion insertable into the outer sleeve to contact the outer sleeve radially, and a press-in portion configured to be pressed into a longitudinal end of the tube; and a union nut configured to be engageable with the body. The body and the inner ring are made of resin, which has a property of contracting in response to change in ambient temperature. A radial contraction rate of the outer sleeve of the body is designed to be higher by 0.09% or more than that of the insert portion of the inner ring.
    Type: Application
    Filed: June 15, 2017
    Publication date: July 4, 2019
    Applicant: NIPPON PILLAR PACKING CO., LTD.
    Inventors: Makoto FUJII, Masaki MIYAMOTO, Tatsuya FUJll, Toshihide IIDA, Tomoyuki KOIKE, Shintaro MAKIHATA
  • Patent number: 10327003
    Abstract: The computational complexity when a block configuration in an encoding target region is determined is reduced while the degradation of coding efficiency is suppressed. A video encoding apparatus includes a block selecting unit which selects each of blocks obtained by recursively dividing an encoding target block as a target block in a predetermined sequence, a block size acquiring unit which acquires the smallest block size in an adjacent block for the selected target block, an evaluation value calculating unit which calculates an evaluation value of the target block if a block size of the target block matches any one of the acquired block size, the block size one level higher than the acquired block size, and the block size one level lower than the acquired block size, and a block configuration determining unit which determines a combination of the blocks constituting the region within the encoding target block based on the evaluation value.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: June 18, 2019
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Shinobu Kudo, Masaki Kitahara, Atsushi Shimizu, Hiroshi Fujii, Mayuko Watanabe
  • Publication number: 20190154608
    Abstract: Provided is a sensor that can appropriately sense the amount of abrasion powder (conductive substance) in a mechanical device of any size, and thereby to provide a sensor that can be generally used for preventive maintenance of any mechanical parts. The sensor includes a first electrode and a second electrode. A voltage is applied between the first electrode and the second electrode to accumulate conductive substance between the first and second electrodes in order to sense a decrease in electric resistance between the first and second electrodes. The distance between the first electrode and the second electrode is adjustable.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 23, 2019
    Inventors: Koji NAKAMURA, Kazuhiko SAKURAI, Masaki HARADA, Toshihide FUJII
  • Patent number: 10035707
    Abstract: The present invention relates to an artificial graphite material for a negative electrode of a lithium ion secondary battery which shows smaller deteriorations of the capacity of charging and discharging cycles and which has a reduced internal resistance and a high output characteristic. It is an artificial graphite material for a lithium ion secondary battery negative electrode, wherein the size L(112) of a crystallite in the c-axis direction is 5 to 25 nm; the ratio (ID/IG) of the intensities of peaks is 0.05 to 0.2; and the relative absorption intensity ratio (I4.8 K/I280 K) is 5.0 to 12.0.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: July 31, 2018
    Assignee: JXTG Nippon Oil & Energy Corporation
    Inventors: Takashi Suzuki, Masaki Fujii, Takashi Maeda, Hiroshi Kawachi
  • Patent number: 10008337
    Abstract: There are disclosed activated carbon for use in an electric double-layer capacitor electrode, the carbon being capable of improving rate characteristics and float characteristics of the electric double-layer capacitor electrode, and a method for manufacturing the activated carbon. The method for manufacturing the activated carbon for use in the electric double-layer capacitor electrode, comprising the steps of: grinding a carbon raw material to adjust an average particle diameter of the carbon raw material into a range of 1 ?m to 15 ?m; mixing the carbon raw material whose average particle diameter has been adjusted, with an alkali activator to obtain a mixture; and an activation treatment comprising heating the mixture under an atmosphere of an inert gas and then under an atmosphere of a mixed gas of the inert gas and water vapor.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: June 26, 2018
    Assignee: POWER CARBON TECHNOLOGY CO., LTD.
    Inventors: Masaki Fujii, Masatoshi Nishida, Keizou Ikai
  • Publication number: 20170057825
    Abstract: The present invention relates to an artificial graphite material for a negative electrode of a lithium ion secondary battery which shows smaller deteriorations of the capacity of charging and discharging cycles and which has a reduced internal resistance and a high output characteristic. It is an artificial graphite material for a lithium ion secondary battery negative electrode, wherein the size L(112) of a crystallite in the c-axis direction is 5 to 25 nm; the ratio (ID/IG) of the intensities of peaks is 0.05 to 0.2; and the relative absorption intensity ratio (I4.8 K/I280 K) is 5.0 to 12.0.
    Type: Application
    Filed: February 26, 2015
    Publication date: March 2, 2017
    Inventors: Takashi Suzuki, Masaki Fujii, Takashi Maeda, Hiroshi Kawachi
  • Patent number: 9455359
    Abstract: A solar battery cell and related methodology are provided which enable a TAB wire to be accurately connected to an intended position, thus allowing a possible increase in manufacturing costs to be suppressed. The solar battery cell can include a substrate, a plurality of finger electrodes formed on a light receiving surface of the substrate, and a back surface electrode on a back surface of the substrate, the back surface electrode to be connected to a plurality of finger electrodes on an adjacent cell by applying a first TAB wire via a conductive adhesive, wherein the back surface electrode has omitted portions arranged to define at least one alignment marking indicative of a position where the first TAB wire is to be applied, the at least one alignment marking having a width less than a width of said first TAB wire.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: September 27, 2016
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Yasuo Tsuruoka, Kenzou Takemura, Yusuke Asakawa, Masaki Fujii
  • Publication number: 20160225587
    Abstract: A plasma processing method in which a stable process region can be ensured in a wide range, from low microwave power to high microwave power. The plasma processing method includes making production of plasma easy in a region in which production of plasma by continuous discharge is difficult, and plasma-processing an object to be processed, with the generated plasma, wherein the plasma is produced by pulsed discharge in which ON and OFF are repeated, radio-frequency power for producing the pulsed discharge, during an ON period, is a power to facilitate production of plasma by continuous discharge, and a duty ratio of the pulsed discharge is controlled so that an average power of the radio-frequency power per cycle is power in the region in which production of plasma by continuous discharge is difficult.
    Type: Application
    Filed: April 6, 2016
    Publication date: August 4, 2016
    Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Yoshiharu Inoue, Tetsuo Ono, Michikazu Morimoto, Masaki Fujii, Masakazu Miyaji
  • Patent number: 9349603
    Abstract: A plasma processing method in which a stable process region can be ensured in a wide range, from low microwave power to high microwave power. The plasma processing method includes making production of plasma easy in a region in which production of plasma by continuous discharge is difficult, and plasma-processing an object to be processed, with the generated plasma, wherein the plasma is produced by pulsed discharge in which ON and OFF are repeated, radio-frequency power for producing the pulsed discharge, during an ON period, is a power to facilitate production of plasma by continuous discharge, and a duty ratio of the pulsed discharge is controlled so that an average power of the radio-frequency power per cycle is power in the region in which production of plasma by continuous discharge is difficult.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: May 24, 2016
    Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Yoshiharu Inoue, Tetsuo Ono, Michikazu Morimoto, Masaki Fujii, Masakazu Miyaji
  • Publication number: 20160012980
    Abstract: There are disclosed activated carbon for use in an electric double-layer capacitor electrode, the carbon being capable of improving rate characteristics and float characteristics of the electric double-layer capacitor electrode, and a method for manufacturing the activated carbon. The method for manufacturing the activated carbon for use in the electric double-layer capacitor electrode, comprising the steps of: grinding a carbon raw material to adjust an average particle diameter of the carbon raw material into a range of 1 ?m to 15 ?m; mixing the carbon raw material whose average particle diameter has been adjusted, with an alkali activator to obtain a mixture; and an activation treatment comprising heating the mixture under an atmosphere of an inert gas and then under an atmosphere of a mixed gas of the inert gas and water vapor.
    Type: Application
    Filed: March 7, 2014
    Publication date: January 14, 2016
    Applicant: JX Nippon Oil & Energy Corporation
    Inventors: Masaki Fujii, Masatoshi Nishida, Keizou Ikai
  • Patent number: 9041413
    Abstract: An electric leakage detection apparatus may quickly detect an electric leakage. An electric leakage detection apparatus includes a pulse generator that supplies a pulse to a coupling capacitor, a voltage detector that detects a voltage at the coupling capacitor, an electric leakage determination unit that compares the voltage detected by the voltage detector to a first threshold and determines presence or absence of the electric leakage of a DC power supply based on a comparison result. The electric leakage detection apparatus also includes a discharge determination unit that compares the voltage detected by the voltage detector to a second threshold lower than the first threshold and determines whether the detection voltage becomes lower than the second threshold by a discharge of the coupling capacitor. The pulse generator generates a new pulse when the discharge determination unit determines that the detection voltage becomes lower than the second threshold.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: May 26, 2015
    Assignee: OMRON AUTOMOTIVE ELECTRONICS CO., LTD.
    Inventors: Hideaki Naruse, Satoru Miyamoto, Masaki Fujii, Kazushi Kodaira, Yoshihiro Ikushima
  • Patent number: 8993478
    Abstract: The present invention provides a method for producing an activated carbon for an electric double layer capacitor, with which the wettability of a carbon material with an alkali activator is improved, thereby improving contact efficiency between the carbon material and the alkali activator and efficiently promoting reaction between the carbon material, which is a starting material and the activator. The method comprises adjusting a carbon material as it is or after having been calcined to produce a carbon powder having an average particle diameter of 0.5 to 15 ?m, oxidizing the carbon powder to contain 3 percent by mass or more of oxygen, and activating the oxidized product with an alkali activator.
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: March 31, 2015
    Assignee: JX Nippon Oil & Energy Corporation
    Inventors: Masaki Fujii, Noriyuki Kiuchi, Shinya Taguchi, Keizo Ikai
  • Patent number: 8963062
    Abstract: A photo detection device, which is disposed in a vehicle, includes a first photo detection element that detects light and a first signal processing unit that performs a predetermined process based on a detection result of the first photo detection element. The photo detection device also includes a first board on which the first photo detection element is mounted and a second board on which the first signal processing unit is mounted. Additionally, the photo detection device includes a holding member that holds the first board and the second board and a housing that accommodates the holding member. The holding member holds the first board and the second board such that the second board is arranged in a second plane different from a first plane in which the first board is arranged.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: February 24, 2015
    Assignee: Omron Automotive Electronics Co., Ltd.
    Inventors: Satoru Sasaki, Masaki Fujii, Hiroki Kitajima, Tomohiro Sawayanagi
  • Publication number: 20140349418
    Abstract: A plasma processing method in which a stable process region can be ensured in a wide range, from low microwave power to high microwave power. The plasma processing method includes making production of plasma easy in a region in which production of plasma by continuous discharge is difficult, and plasma-processing an object to be processed, with the generated plasma, wherein the plasma is produced by pulsed discharge in which ON and OFF are repeated, radio-frequency power for producing the pulsed discharge, during an ON period, is a power to facilitate production of plasma by continuous discharge, and a duty ratio of the pulsed discharge is controlled so that an average power of the radio-frequency power per cycle is power in the region in which production of plasma by continuous discharge is difficult.
    Type: Application
    Filed: August 6, 2014
    Publication date: November 27, 2014
    Inventors: Yoshiharu INOUE, Tetsuo ONO, Michikazu MORIMOTO, Masaki FUJII, Masakazu MIYAJI
  • Patent number: 8878544
    Abstract: An electric leakage sensing apparatus includes a coupling capacitor having one end connected to a DC power supply, a pulse generator that supplies a pulse to the other end of the coupling capacitor, a voltage detector that detects a voltage at the coupling capacitor charged by the pulse, an electric leakage determination part that compares the voltage detected by the voltage detector to a threshold value, and makes a determination of existence or non-existence of an electric leakage of the DC power supply based on a comparison result, and a booster circuit that applies a boosted pulse voltage to the coupling capacitor. The pulse generator converts an output voltage of the booster circuit into the pulse voltage. The voltage detector includes an offset voltage generating circuit that generates an offset voltage.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: November 4, 2014
    Assignee: Omron Automotive Electronics Co., Ltd.
    Inventors: Masato Kasashima, Masaki Fujii, Takeshi Sekine, Takahiro Saito
  • Patent number: 8858654
    Abstract: Provided is a method for producing an activated carbon for an electric double layer capacitor electrode comprising adjusting a carbon material (including a calcined product of a carbon material) in particle size, followed by mixing the carbon material with an alkali activator, and then activating the mixture, wherein the mixing is carried out so that the particle size distribution composed of particles with a size of 300 ?m or greater in the mixture of the carbon material and alkali activator is 5 percent or less so that the mixing state of the carbon material and alkali activator can be improved, resulting in a reduction in the ratio of the alkali activator.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: October 14, 2014
    Assignee: JX Nippon Oil & Energy Corporation
    Inventors: Masaki Fujii, Keizo Ikai, Noriyuki Kiuchi, Kunihiko Satou, Shinya Taguchi
  • Patent number: 8828254
    Abstract: A plasma processing method and a plasma processing apparatus in which a stable process region can be ensured in a wide range, from low microwave power to high microwave power. The plasma processing method includes making production of plasma easy in a region in which production of plasma by continuous discharge is difficult, and plasma-processing an object to be processed, with the generated plasma, wherein the plasma is produced by pulsed discharge in which ON and OFF are repeated, radio-frequency power for producing the pulsed discharge, during an ON period, is a power to facilitate production of plasma by continuous discharge, and a duty ratio of the pulsed discharge is controlled so that an average power of the radio-frequency power per cycle is power in the region in which production of plasma by continuous discharge is difficult.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: September 9, 2014
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Yoshiharu Inoue, Tetsuo Ono, Michikazu Morimoto, Masaki Fujii, Masakazu Miyaji
  • Patent number: 8771038
    Abstract: A polishing apparatus includes a stage configured to hold a substrate, a stage-rotating mechanism configured to rotate the stage, and a polishing head configured to polish a periphery of the substrate held by the stage. The polishing apparatus also includes a controller configured to control operations of the stage, the stage-rotating mechanism, and the polishing head, an image-capturing device configured to capture an image of the periphery of the substrate through at least one terminal imaging element arranged so as to face the periphery of the substrate, an image processor configured to process the image captured by the image-capturing device, and a liquid ejector configured to eject a light-transmissive liquid toward the periphery of the substrate to fill a space between the periphery of the substrate and the terminal imaging element with the liquid.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: July 8, 2014
    Assignee: Ebara Corporation
    Inventors: Toshifumi Kimba, Hiroaki Kusa, Masaki Fujii