Patents by Inventor Takayuki Naito
Takayuki Naito 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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Patent number: 11961728Abstract: A surface-assisted laser desorption/ionization method according to an aspect includes: a first process of preparing a sample support (2) having a substrate (21) in which a plurality of through-holes (S) passing from one surface (21a) thereof to the other surface (21b) thereof are provided and a conductive layer (23) that covers at least the one surface (21a); a second process of placing a sample (10) on a sample stage (1) and arranging the sample support (2) on the sample (10) such that the other surface (21b) faces the sample (10); and a third process of applying a laser beam (L) to the one surface (21a) and ionizing the sample (10) moved from the other surface (21b) side to the one surface (21a) side via the through-holes (S) due to a capillary phenomenon.Type: GrantFiled: March 6, 2023Date of Patent: April 16, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Yasuhide Naito, Masahiro Kotani, Takayuki Ohmura
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Publication number: 20230135656Abstract: The present disclosure is directed to systems and methods for wear prediction of an undercarriage of a target machine. The method includes (1) receiving wear measurements from a plurality of source machines, and the wear measurements are associated with a first set of components of undercarriages of the plurality of source machines; (2) establishing a statistical model based on the received wear measurements and physic-based features derived from the wear measurements; (3) determining coefficients for the statistical model at least partially based on inspection data of a second set of components of the undercarriage of the target machine; and (4) predicting a wear condition of the undercarriage of the target machine by the statistical model and the coefficients.Type: ApplicationFiled: November 4, 2021Publication date: May 4, 2023Inventors: Nabil Mhadbi, Vijay Krishna Yalamanchili, Ko Egawa, Tetsuya Sumiyoshi, Takayuki Naito
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Publication number: 20230081006Abstract: A work machine comprises a main body, a cab riser, and a shaft. The cab riser includes a cab and a frame, the cab being uprightly positioned on the work machine in a first position, and being tilted forward in a second position, and the frame comprising a first plate to contact a second plate provided on the main body in the first position. The cab riser is rotatable about the shaft in clockwise and counterclockwise directions to and from the first position and the second position. The first plate and the second plate can be clamped together by a clamping assembly in the first position, the clamping assembly including one or more clamps to clamp the first plate and the second plate, and the clamping assembly is mounted on the main body.Type: ApplicationFiled: September 13, 2021Publication date: March 16, 2023Applicant: Caterpillar SARLInventors: Tetsuji TAKAOKA, Masaya YORIFUJI, Tomohiro FUJII, Kimikage TANAKA, Kazumasa MATSUMURA, Takeshi TSUNEYOSHI, Takayuki NAITO, Tetsuo NISHIGUCHI, Kunitomo SHIMIZU, Eiji AKAHANE, Shuji KIDOGUCHI
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Publication number: 20230032025Abstract: To provide a crawler-type vehicle capable of efficiently scraping off mud from an upper road wheel. A pair of scraper members are disposed on one side in the front-rear direction and on other side in the front-rear direction of an upper road wheel. Each scraper member is formed with a claw that protrudes toward the upper road wheel. A right-left directional position of the tip of the claw of one scraper member and a right-left directional position of the tip of the claw of the other scraper member are different from each other.Type: ApplicationFiled: December 31, 2020Publication date: February 2, 2023Applicant: Caterpillar SARLInventors: Takayuki NAITO, Yasutaka GENKO, Manikandan RAJANGAM
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Patent number: 10625940Abstract: A system and a method which allow an easy shipment and receipt of construction materials and an easy retrieval of the same, as well as an easy acquisition of position information of construction materials. The system includes: an identification information holding medium which holds identification information of the construction material; a moving body that acquires first position information which is position information of the moving body and also acquires identification information; material data storage unit for storing the first position information in association with the identification information; and retrieval unit for retrieving the identification information in the material data storage unit. The display unit displays the first position information associated with the identification information retrieved by the retrieval unit.Type: GrantFiled: August 30, 2016Date of Patent: April 21, 2020Assignee: CHIYODA CORPORATIONInventors: Naoki Shimizu, Hiroyuki Iwamoto, Yasuyuki Maeda, Eiji Takahashi, Takayuki Naito
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Patent number: 10553983Abstract: A connector housing comprises a mating portion including a plurality of mating hoods that are arranged in a width direction on a front side of the connector housing that is configured to be mated with a mating connector and a rear structure portion disposed posterior to the mating portion. The rear structure portion includes a plurality of structure parts each disposed between two mating hoods adjacent to each other of the plurality of mating hoods and a plurality of notches each disposed between two structure parts adjacent to each other of the plurality of structure parts.Type: GrantFiled: July 10, 2018Date of Patent: February 4, 2020Assignees: Tyco Electronics Japan G.K., Toyota Jidosha Kabushiki KaishaInventors: Yusuke Mito, Takayuki Naito, Akinobu Murakami
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Patent number: 10385430Abstract: The present invention provides a steel material, such as a high-strength spring, that has excellent fatigue properties, and, more specifically, a steel material, such as the high-strength spring, that can improve the fatigue properties in a high-strength region more easily, without increasing an alloy cost. The steel material includes, in percent by mass, C: 0.5 to 1.0%, Si: 1.5 to 2.50%, Mn: 0.5 to 1.50%, P: more than 0% to 0.020% or less, S: more than 0% to 0.020% or less, Cr: more than 0% to 0.2% or less, Al: more than 0% to 0.010% or less, N: more than 0% to 0.0070% or less, and O: more than 0% to 0.0040% or less, and the balance consisting of iron and inevitable impurities, wherein Cr and Si contents satisfy a formula of Cr×Si?0.20, a ratio of tempered martensite in a steel microstructure is 80% or more by area, and a number density of particles of Cr-containing carbide or carbonitride having a circle-equivalent diameter of 50 nm or more in the steel microstructure is 0.10 particles/?m2 or less.Type: GrantFiled: March 27, 2015Date of Patent: August 20, 2019Assignee: KOBE STEEL, LTD.Inventors: Hiroshi Oura, Tomokazu Masuda, Nao Yoshihara, Takayuki Naito, Akito Suzuki
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Publication number: 20180323533Abstract: A connector housing comprises a mating portion including a plurality of mating hoods that are arranged in a width direction on a front side of the connector housing that is configured to be mated with a mating connector and a rear structure portion disposed posterior to the mating portion. The rear structure portion includes a plurality of structure parts each disposed between two mating hoods adjacent to each other of the plurality of mating hoods and a plurality of notches each disposed between two structure parts adjacent to each other of the plurality of structure parts.Type: ApplicationFiled: July 10, 2018Publication date: November 8, 2018Applicants: Tyco Electronics Japan G.K., Toyota Jidosha Kabushiki KaishaInventors: Yusuke Mito, Takayuki Naito, Akinobu Murakami
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Patent number: 10094478Abstract: A grease injection valve 10 is provided having a valve body 16 including a flow path 15 the valve body. A foreign matter intrusion prevention valve 18 is provided at the upstream side of a check valve 17 in the flow path 15 of valve body 16. Grooves 47 are positioned around the periphery of a foreign matter intrusion prevention valve body 44 in the flow path 15 to provide communication between the downstream side and the upstream side of the foreign matter intrusion prevention valve body 44. When the check valve 17 has a functional failure, high-pressure grease escapes through the grooves 47 to bypass the foreign matter intrusion prevention valve body 44 and is discharged to an exterior of the grease injection valve 10. This can avoid excessive pressure caused by the grease backflow from being applied to the foreign matter intrusion prevention valve 18.Type: GrantFiled: February 3, 2017Date of Patent: October 9, 2018Assignee: Caterpillar SARL and OthersInventors: Seiji Iijima, Takayuki Naito, Satoshi Fujita, Ryota Suejima
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Publication number: 20180216214Abstract: The present invention provides a steel material, such as a high-strength spring, that has excellent fatigue properties, and, more specifically, a steel material, such as the high-strength spring, that can improve the fatigue properties in a high-strength region more easily, without increasing an alloy cost. The steel material includes, in percent by mass, C: 0.5 to 1.0%, Si: 1.5 to 2.50%, Mn: 0.5 to 1.50%, P: more than 0% to 0.020% or less, S: more than 0% to 0.020% or less, Cr: more than 0% to 0.2% or less, Al: more than 0% to 0.010% or less, N: more than 0% to 0.0070% or less, and O: more than 0% to 0.0040% or less, and the balance consisting of iron and inevitable impurities, wherein Cr and Si contents satisfy a formula of Cr×Si?0.20, a ratio of tempered martensite in a steel microstructure is 80% or more by area, and a number density of particles of Cr-containing carbide or carbonitride having a circle-equivalent diameter of 50 nm or more in the steel microstructure is 0.10 particles/?m2 or less.Type: ApplicationFiled: March 27, 2015Publication date: August 2, 2018Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)Inventors: Hiroshi OURA, Tomokazu MASUDA, Nao YOSHIHARA, Takayuki NAITO, Akito SUZUKI
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Patent number: 10026932Abstract: A battery module includes: a stacked body that includes a plurality of battery cells; a restraint including a metal band that extends from one end of the stacked body to the other end of the stacked body and that is electrically grounded; a voltage sensor configured to detect a voltage of the portion of battery cells; a first wire that is connected to the voltage sensor and extends in a stacking direction; a temperature sensor configured to measure a temperature of the stacked body or a current sensor configured to measure a current that flows into and out of the stacked body; and a second wire that is connected to the temperature or current sensor, and extends in the stacking direction. A voltage lower than that of the first wire is applied to the second wire, and the metal band is arranged between the first wire and the second wire.Type: GrantFiled: March 10, 2016Date of Patent: July 17, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takayuki Naito
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Publication number: 20180186571Abstract: A system and a method which allow an easy shipment and receipt of construction materials and an easy retrieval of the same, as well as an easy acquisition of position information of construction materials. The system includes: an identification information holding medium which holds identification information of the construction material; a moving body that acquires first position information which is position information of the moving body and also acquires identification information; material data storage unit for storing the first position information in association with the identification information; and retrieval unit for retrieving the identification information in the material data storage unit. The display unit displays the first position information associated with the identification information retrieved by the retrieval unit.Type: ApplicationFiled: August 30, 2016Publication date: July 5, 2018Applicant: CHIYODA CORPORATIONInventors: Naoki SHIMIZU, Hiroyuki IWAMOTO, Yasuyuki MAEDA, Eiji TAKAHASHI, Takayuki NAITO
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Patent number: 9956886Abstract: A shielded wire is connected to a high-voltage system and conducting high-voltage communication. The shielded wire includes a wire section and a first shielding layer. The first shielding layer covers the wire section. The first shielding layer is grounded to the high-voltage system or an object with the same potential as the high-voltage system.Type: GrantFiled: March 24, 2016Date of Patent: May 1, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takayuki Naito
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Publication number: 20170219101Abstract: A grease injection valve 10 is provided having a valve body 16 including a flow path 15 the valve body. A foreign matter intrusion prevention valve 18 is provided at the upstream side of a check valve 17 in the flow path 15 of valve body 16. Grooves 47 are positioned around the periphery of a foreign matter intrusion prevention valve body 44 in the flow path 15 to provide communication between the downstream side and the upstream side of the foreign matter intrusion prevention valve body 44. When the check valve 17 has a functional failure, high-pressure grease escapes through the grooves 47 to bypass the foreign matter intrusion prevention valve body 44 and is discharged to an exterior of the grease injection valve 10. This can avoid excessive pressure caused by the grease backflow from being applied to the foreign matter intrusion prevention valve 18.Type: ApplicationFiled: February 3, 2017Publication date: August 3, 2017Applicants: Caterpillar SARL, Mito Kogyo Company LimitedInventors: Seiji Iijima, Takayuki Naito, Satoshi Fujita, Ryota Suejima
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Publication number: 20160284444Abstract: A shielded wire is connected to a high-voltage system and conducting high-voltage communication. The shielded wire includes a wire section and a first shielding layer. The first shielding layer covers the wire section. The first shielding layer is grounded to the high-voltage system or an object with the same potential as the high-voltage system.Type: ApplicationFiled: March 24, 2016Publication date: September 29, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takayuki NAITO
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Publication number: 20160268556Abstract: A battery module includes: a stacked body that includes a plurality of battery cells; a restraint including a metal band that extends from one end of the stacked body to the other end of the stacked body and that is electrically grounded; a voltage sensor configured to detect a voltage of the portion of battery cells; a first wire that is connected to the voltage sensor and extends in a stacking direction; a temperature sensor configured to measure a temperature of the stacked body or a current sensor configured to measure a current that flows into and out of the stacked body; and a second wire that is connected to the temperature or current sensor, and extends in the stacking direction. A voltage lower than that of the first wire is applied to the second wire, and the metal band is arranged between the first wire and the second wire.Type: ApplicationFiled: March 10, 2016Publication date: September 15, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takayuki NAITO
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Patent number: 9281757Abstract: A voltage conversion device includes: first and second loop circuits having a common inductance element. Electric current alternately flows through the first or second loop circuit as a first switching element of the first loop circuit is turned on or off. A magnetic field that is formed when the first switching element is turned on and that penetrates through the first loop circuit and a magnetic field that is formed when the first switching element is turned off after it is turned on and that penetrates through the second loop circuit have the same direction. All elements that constitute the first and second loop circuits are arranged on the same surface of a substrate. The second loop circuit is connected to a second direct-current power source. The first loop circuit is connected to a first direct-current power source.Type: GrantFiled: December 17, 2009Date of Patent: March 8, 2016Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, VISTEON GLOBAL TECHNOLOGIES, INC.Inventors: Takayuki Naito, Akihiko Nojima, Takashi Imai, Nobuyuki Ishihara, Junzo Ooe, Koichi Mizutani, Masaru Inada, Kouichi Yamanoue, Shigeki Yamamoto
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Publication number: 20150208519Abstract: A ferrite clamp includes: a storage case capable of storing a magnetic body and including a pair of separable storage portions; and a pair of electric-wire insertion holes formed in one side surface and the other side surface of the storage case respectively, wherein each of the pair of storage portions includes a protrusion piece and a concave portion, the protrusion piece and concave portion are positioned such that, when the pair of storage portions are assembled together, the protrusion piece disposed in one of the storage portions is fitted into the concave portion formed in the other storage portion, and the protrusion piece disposed in the other storage portion is fitted into the concave portion formed in the one storage portion.Type: ApplicationFiled: September 19, 2013Publication date: July 23, 2015Inventors: Hideharu Kawai, Satoyo Kokaji, Takayuki Naito
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Patent number: 9088202Abstract: The present invention is related to a voltage conversion apparatus having a first loop circuit and a second loop circuit which share an inductance component, in which a current passes through the first and second loop circuits alternately in accordance with ON/OFF operation of a first switching element provided in the first loop circuit, characterized in that a direction of a magnetic field through the first loop circuit generated at the ON operation of the first switching element in the first loop circuit is the same as a direction of a magnetic field through the second loop circuit generated at the OFF operation of the first switching element in the first loop circuit subsequent to the ON operation.Type: GrantFiled: September 8, 2009Date of Patent: July 21, 2015Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, VISTEON GLOBAL TECHNOLOGIES, INC.Inventors: Koichi Mizutani, Shinji Sekido, Junzo Oe, Takayuki Naito, Takashi Imai, Kouichi Yamanoue, Shigeki Yamamoto
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Patent number: 8994342Abstract: A switching apparatus is disclosed that includes a first loop circuit configured to include a switching element, an inductive component and a capacitor; and a second loop circuit configured to share the inductive component with the first loop circuit, wherein the capacitor is inserted in series with the inductive component in the first loop, wherein the switching apparatus controls respective currents flowing through the first loop circuit and the second loop circuit in an alternating manner by turning on/off the switching element in order to control the current flowing through the inductive component, and wherein a first magnetic flux generated by the current flowing through the first loop circuit as the switching element is being turned on and a second magnetic flux generated by the current flowing through the second loop circuit as the switching element is being turned off head in the same direction.Type: GrantFiled: July 1, 2010Date of Patent: March 31, 2015Assignees: Toyota Jidosha Kabushiki Kaisha, Visteon Global Technologies, Inc.Inventors: Takayuki Naito, Takashi Imai, Koichi Mizutani, Kouichi Yamanoue, Shigeki Yamamoto