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).
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Publication number: 20240144045Abstract: A computer performs a first step of acquiring initial structures that are atomic arrangement structures in a three-dimensional space which a composition of a material can take, a second step of calculating first energy corresponding to structurally optimized atomic arrangement structures by performing structure optimization on one or some initial structures, a third step of predicting second energy corresponding to atomic arrangement structures obtained in a case where structure optimization is performed on other initial structure(s) by using a prediction model for the other initial structure(s), a fourth step of extracting third energy indicative of a minimum value on the basis of the first energy and the second energy, and a fifth step of outputting the third energy, a first structure, which is an atomic arrangement structure corresponding to the third energy, or the third energy and the first structure.Type: ApplicationFiled: January 10, 2024Publication date: May 2, 2024Inventors: KEI AMII, MASAKI OKOSHI, MIKIYA FUJII
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Publication number: 20240144046Abstract: A computer performs a first step of acquiring initial structures that are atomic arrangement structures in a three-dimensional space which a composition of a material after desorption of an atom contained in the material can take, a second step of calculating first energy corresponding to structurally optimized atomic arrangement structures by performing structure optimization on one or some initial structures, a third step of predicting second energy corresponding to atomic arrangement structures obtained in a case where structure optimization is performed on other initial structure(s) by using a prediction model for the other initial structure(s), a fourth step of extracting third energy indicative of a minimum value on the basis of the first energy and the second energy, and a fifth step of outputting the third energy, a first structure, which is an atomic arrangement structure corresponding to the third energy, or the third energy and the first structure.Type: ApplicationFiled: January 10, 2024Publication date: May 2, 2024Inventors: KEI AMII, MASAKI OKOSHI, MIKIYA FUJII
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Patent number: 11970212Abstract: An automotive-structural-part joint structure is formed by bending one metal sheet, includes a groove portion including a top portion and a pair of side wall portions, is provided at an end part of one automotive structural part in a longitudinal direction, and is configured to join the one automotive structural part to another automotive structural part in an intersecting direction. The automotive-structural-part joint structure includes: a pair of vertical rib portions configured to stand upward from both side ends of the top portion; and an outward-directed flange portion configured to extend outward from three side edges of the groove portion on an end part side where the other automotive structural part is joined, the flange portion being continuously formed along the three side edges.Type: GrantFiled: November 12, 2019Date of Patent: April 30, 2024Assignee: JFE STEEL CORPORATIONInventors: Yusuke Fujii, Masaki Urabe
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Patent number: 11959872Abstract: The present invention provides a method for accurately measuring a blood component despite uneven distribution of blood introduced into a capillary. The measurement method according to the present invention is characterized in that a plurality of electrode systems for measuring the hematocrit are provided in a capillary of a biosensor to measure the hematocrit at different positions in the capillary. By measuring the hematocrit at the plurality of positions in the capillary as described above, the hematocrit can be measured mom accurately despite uneven distribution of blood introduced into the capillary.Type: GrantFiled: March 1, 2019Date of Patent: April 16, 2024Assignee: PHC Holdings CorporationInventors: Masaki Fujiwara, Yoshifumi Takahara, Takaaki Fujii, Setsuko Yano, Fuminori Kutsuna
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Publication number: 20240094308Abstract: A detector includes a measurement unit and a battery control unit. The measurement unit measures a measurement value indicating a battery state of a secondary battery. The battery control unit detects a sign of thermal runway in the secondary battery. The measurement unit determines whether a start-up signal is output based on the measurement value in a case where the battery control unit is in a sleep state, and outputs the start-up signal in a case where the start-up signal is output. The battery control unit starts by receiving the start-up signal from the measurement unit when the battery control unit is in the sleep state, executes arithmetic processing on the measurement value received from the measurement unit, and detects the sign of thermal runaway based on a calculated result of the arithmetic processing.Type: ApplicationFiled: September 11, 2023Publication date: March 21, 2024Inventors: Shuhei YOSHIDA, Masaki UCHIYAMA, Hiroki FUJII
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Patent number: 11733799Abstract: There is provided a sensing method of a touch panel driving device configured to perform scanning of sequentially selecting a pair of adjacent transmission signal lines and a pair of adjacent reception signal lines on a touch panel and select between a first mode and a second mode having higher sensitivity than the first mode as reception signal sensitivity of a pair of reception signal lines, comprising: a first sequence of performing the scanning in setting of the second mode to select the first mode or the second mode; and a second sequence of performing the scanning in the setting state of the mode selected in the first sequence to perform touch detection and generating information indicating a touched position.Type: GrantFiled: June 14, 2022Date of Patent: August 22, 2023Assignee: FUTABA CORPORATIONInventor: Masaki Fujii
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Patent number: 11658011Abstract: 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: GrantFiled: January 22, 2020Date of Patent: May 23, 2023Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Yoshiharu Inoue, Tetsuo Ono, Michikazu Morimoto, Masaki Fujii, Masakazu Miyaji
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Publication number: 20220404942Abstract: There is provided a sensing method of a touch panel driving device configured to perform scanning of sequentially selecting a pair of adjacent transmission signal lines and a pair of adjacent reception signal lines on a touch panel and select between a first mode and a second mode having higher sensitivity than the first mode as reception signal sensitivity of a pair of reception signal lines, comprising: a first sequence of performing the scanning in setting of the second mode to select the first mode or the second mode; and a second sequence of performing the scanning in the setting state of the mode selected in the first sequence to perform touch detection and generating information indicating a touched position.Type: ApplicationFiled: June 14, 2022Publication date: December 22, 2022Applicant: Futaba CorporationInventor: Masaki FUJII
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Publication number: 20200161092Abstract: 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: ApplicationFiled: January 22, 2020Publication date: May 21, 2020Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Yoshiharu Inoue, Tetsuo Ono, Michikazu Morimoto, Masaki Fujii, Masakazu Miyaji
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Patent number: 10600619Abstract: 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: GrantFiled: April 6, 2016Date of Patent: March 24, 2020Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Yoshiharu Inoue, Tetsuo Ono, Michikazu Morimoto, Masaki Fujii, Masakazu Miyaji
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Patent number: 10035707Abstract: 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: GrantFiled: February 26, 2015Date of Patent: July 31, 2018Assignee: JXTG Nippon Oil & Energy CorporationInventors: Takashi Suzuki, Masaki Fujii, Takashi Maeda, Hiroshi Kawachi
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Patent number: 10008337Abstract: 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: GrantFiled: March 7, 2014Date of Patent: June 26, 2018Assignee: POWER CARBON TECHNOLOGY CO., LTD.Inventors: Masaki Fujii, Masatoshi Nishida, Keizou Ikai
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Publication number: 20170057825Abstract: 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: ApplicationFiled: February 26, 2015Publication date: March 2, 2017Inventors: Takashi Suzuki, Masaki Fujii, Takashi Maeda, Hiroshi Kawachi
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Patent number: 9455359Abstract: 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: GrantFiled: May 30, 2012Date of Patent: September 27, 2016Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Yasuo Tsuruoka, Kenzou Takemura, Yusuke Asakawa, Masaki Fujii
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Publication number: 20160225587Abstract: 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: ApplicationFiled: April 6, 2016Publication date: August 4, 2016Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Yoshiharu Inoue, Tetsuo Ono, Michikazu Morimoto, Masaki Fujii, Masakazu Miyaji
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Patent number: 9349603Abstract: 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: GrantFiled: August 6, 2014Date of Patent: May 24, 2016Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Yoshiharu Inoue, Tetsuo Ono, Michikazu Morimoto, Masaki Fujii, Masakazu Miyaji
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Publication number: 20160012980Abstract: 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: ApplicationFiled: March 7, 2014Publication date: January 14, 2016Applicant: JX Nippon Oil & Energy CorporationInventors: Masaki Fujii, Masatoshi Nishida, Keizou Ikai
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Patent number: 9041413Abstract: 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: GrantFiled: February 16, 2012Date of Patent: May 26, 2015Assignee: OMRON AUTOMOTIVE ELECTRONICS CO., LTD.Inventors: Hideaki Naruse, Satoru Miyamoto, Masaki Fujii, Kazushi Kodaira, Yoshihiro Ikushima
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Patent number: 8993478Abstract: 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: GrantFiled: December 24, 2010Date of Patent: March 31, 2015Assignee: JX Nippon Oil & Energy CorporationInventors: Masaki Fujii, Noriyuki Kiuchi, Shinya Taguchi, Keizo Ikai
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Patent number: 8963062Abstract: 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: GrantFiled: April 21, 2011Date of Patent: February 24, 2015Assignee: Omron Automotive Electronics Co., Ltd.Inventors: Satoru Sasaki, Masaki Fujii, Hiroki Kitajima, Tomohiro Sawayanagi