Patents by Inventor Masayoshi Ito
Masayoshi Ito 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: 20240116151Abstract: A polishing apparatus 1 includes a control device 90. The control device 90 performs: a cleaning process of causing a cleaning solution to flow in a flow channel 70a and then causing a polishing solution to flow in the flow channel 70a when the number of substrates Wf polished by a polishing machine 10 reaches a predetermined number; and a clogging detecting process of detecting whether clogging has occurred in the flow channel based on a pressure or a flow rate of the cleaning solution detected by sensors 60 and 61 when the cleaning solution flows in the flow channel.Type: ApplicationFiled: September 26, 2023Publication date: April 11, 2024Applicant: EBARA CORPORATIONInventors: MASAYOSHI ITO, TAKUYA MORIURA
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Patent number: 11926018Abstract: There is provided an apparatus for polishing, comprising a polishing table configured to support and rotate a polishing pad; a holder configured to hold an object and press the object against the polishing pad; a polishing solution supply device provided with a contact member and configured to supply a polishing solution to an opening in a bottom face of the contact member in a state that the contact member comes into contact with or is adjacent to the polishing pad, thereby spreading the polishing solution on the polishing pad, the polishing solution supply device causing at least part of used polishing solution returned by rotation of the polishing pad to be dammed up by the contact member and setting the contact member either in a direction of keeping the dammed up polishing solution on the polishing pad or in a direction of discharging the dammed up polishing solution, according to an angle of the polishing solution supply device with respect to a radial direction of the polishing pad; an arm linked withType: GrantFiled: May 7, 2021Date of Patent: March 12, 2024Assignee: EBARA CORPORATIONInventors: Masayoshi Ito, Hisanori Matsuo, Itsuki Kobata, Takuya Moriura
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Publication number: 20230008720Abstract: A polishing apparatus capable of monitoring a distribution of an amount of liquid, such as a polishing liquid or a chemical liquid, on a polishing surface of a polishing pad, and capable of polishing an object, such as a wafer, under appropriate polishing conditions. The polishing apparatus includes: a polishing table configured to support a polishing pad; a polishing head configured to press the object against a polishing surface of the polishing pad; a liquid supply device configured to supply liquid onto the polishing surface; a liquid monitoring device configured to obtain optical information contained in light from a plurality of points on the polishing surface; an optical information analyzer configured to determine a distribution of amount of the liquid on the polishing surface from the optical information; and an operation controller configured to control operations of the polishing apparatus.Type: ApplicationFiled: June 24, 2022Publication date: January 12, 2023Inventors: Masayoshi ITO, Itsuki KOBATA
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Publication number: 20210347010Abstract: There is provided an apparatus for polishing, comprising a polishing table configured to support and rotate a polishing pad; a holder configured to hold an object and press the object against the polishing pad; a polishing solution supply device provided with a contact member and configured to supply a polishing solution to an opening in a bottom face of the contact member in a state that the contact member comes into contact with or is adjacent to the polishing pad, thereby spreading the polishing solution on the polishing pad, the polishing solution supply device causing at least part of used polishing solution returned by rotation of the polishing pad to be dammed up by the contact member and setting the contact member either in a direction of keeping the dammed up polishing solution on the polishing pad or in a direction of discharging the dammed up polishing solution, according to an angle of the polishing solution supply device with respect to a radial direction of the polishing pad; an arm linked withType: ApplicationFiled: May 7, 2021Publication date: November 11, 2021Inventors: Masayoshi ITO, Hisanori MATSUO, Itsuki KOBATA, Takuya MORIURA
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ANALYSIS DEVICE, ANALYSIS METHOD, TRACE LIQUID COLLECTION DEVICE, AND TRACE LIQUID COLLECTION METHOD
Publication number: 20210349022Abstract: An analysis device 1 is provided with: a flow channel 12c; a suction mechanism connected to one end of the flow channel, the suction mechanism being configured to introduce a trace amount of a liquid sample L from the other end of the flow channel 12c into an inside of the flow channel 12c and hold the liquid sample L in a part of the flow channel 12c; and a measurement unit 40 configured such that a light irradiation unit 41 for irradiating the liquid sample L held by the part of the flow channel member 12 with light and a light reception unit for receiving the light from the liquid sample L are disposed around the liquid sample L. The measurement unit 40 is provided with an aperture member 46 to limit the light directed from the light irradiation unit 41 toward the liquid sample L, the aperture member 46 including an opening having an opening width L2 shorter than a liquid length L1 of the liquid sample L held by the flow channel 12c in the flow channel 12c.Type: ApplicationFiled: August 13, 2019Publication date: November 11, 2021Inventors: Yasuo TSUKUDA, Takahide HIRAMATSU, Toshiro KIMURA, Masayoshi ITO, Yoshihide HAYASHIZAKI, Yuji TANAKA, Yoshihiro YUU, Taku MATSUDERA, Atsushi SASAKI -
Publication number: 20210283746Abstract: There is provided an apparatus for polishing, comprising a table configured to support a polishing pad; a polishing head configured to hold a substrate; and a polishing solution supply device configured to supply a polishing solution between the polishing pad and the substrate. The polishing solution supply device comprises a plurality of polishing solution supply ports arrayed in a direction intersecting with a rotating direction of the polishing pad in a state that the polishing solution supply device is placed on an upstream side in rotation of the polishing pad relative to the substrate. The polishing solution supply device supplies the polishing solution, such that the polishing solution supplied from the plurality of polishing solution supply ports has a predetermined flow rate distribution.Type: ApplicationFiled: March 5, 2021Publication date: September 16, 2021Inventors: Takuya MORIURA, Hiroshi SOTOZAKI, Tadakazu SONE, Masayoshi ITO, Itsuki KOBATA, Hisanori MATSUO, Tetsuya TERADA
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Patent number: 10787711Abstract: Provided is an approach for differentially determining the histological type of a lung cancer lesion objectively and rapidly with high accuracy. A method for differentially assessing a lesion in a lung cancer patient as squamous cell carcinoma or adenocarcinoma, comprising a step of measuring an expression level of an expression product of at least one DNA comprising a transcription start site in a biological sample collected from the lesion, wherein the DNA comprises a base at an arbitrary position in the transcription start site and at least one or more bases located immediately downstream thereof in any of nucleotide sequences represented by SEQ ID NOs: 1 to 213, and the transcription start site is a region wherein both ends thereof are defined by the first base and the 101st base counted from the 3? end in any of the nucleotide sequences represented by SEQ ID NOs: 1 to 213.Type: GrantFiled: March 11, 2015Date of Patent: September 29, 2020Assignees: JUNTENDO EDUCATIONAL FOUNDATION, RIKENInventors: Kazuya Takamochi, Kenji Suzuki, Tsuyoshi Saito, Kieko Hara, Keiko Mitani, Kaoru Mogushi, Yoshihide Hayashizaki, Masayoshi Ito, Hideya Kawaji, Hiroko Oomiya, Yasunari Yamanaka
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Patent number: 7950365Abstract: A control apparatus for an internal combustion engine includes an oil pressure regulating valve having a solenoid, a variable cam phase mechanism for changing a cam phase, and an ECU for controlling the oil pressure regulating valve. The ECU includes an actual cam phase detecting unit, a target cam phase setting unit, a feedback control unit, a coil temperature detecting unit, a circuit resistance calculating unit, and an integral term initial value calculating unit. When an integral term is initialized, the feedback control unit sets the holding output duty as the integral term.Type: GrantFiled: December 19, 2008Date of Patent: May 31, 2011Assignee: Mitsubishi Electric CorporationInventors: Toru Tanaka, Shinji Watanabe, Tatsuhiko Takahashi, Masayoshi Ito
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Publication number: 20090306874Abstract: Provided is a control apparatus for an internal combustion engine, capable of improving a response characteristic of a PID feedback control, including: an oil pressure regulating valve having a solenoid; a variable cam phase mechanism for changing a cam phase; and an ECU for controlling the oil pressure regulating valve.Type: ApplicationFiled: December 19, 2008Publication date: December 10, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Toru Tanaka, Shinji Watanabe, Tatsuhiko Takahashi, Masayoshi Ito
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Patent number: 7586436Abstract: A radar device separates directions of a plurality of targets, obtained from combinations of antenna beams, with a high accuracy. The radar device includes: a direction calculating unit for calculating a primary direction, which is the direction of a target, from a combination of characterizing quantities calculated by a signal detector from the reception waves of at least two beams that partially overlap, among the beams radiated in the plurality of directions; and a direction integrating unit for, when a plurality of primary directions calculated by the direction calculating unit is present, calculating an integrated direction, which is the true target direction, from an area in which distribution of the plurality of primary directions is a predetermined density or greater, based on the primary directions belonging to the area.Type: GrantFiled: September 11, 2003Date of Patent: September 8, 2009Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Toshio Wakayama, Takashi Sekiguchi, Atsushi Okamura, Masayoshi Ito, Takayuki Inaba, Masashi Mitsumoto
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Publication number: 20080252879Abstract: An optical sample measuring device such as a turbidity measurement instrument to isolate a portion of a fluid sample and isolate it from the influences of outside light. A sample cell in the instrument can include a cleaning unit that can contact transparent sections of the sample cell for an initial cleaning prior to a measurement cycle. A body member can further encompass a light source and one or more detectors for measuring the influence of the sample on light that is transmitted through and scattered by the fluid sample. The sample cell can be in a probe that can be immersed in the fluid and it can be operatively connected, for example, through a waterproof cable to a handheld measuring instrument body that can provide appropriate output of the measurement after processing the measurement signals.Type: ApplicationFiled: April 8, 2008Publication date: October 16, 2008Inventors: Masayoshi Ito, Michio Murata
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Publication number: 20070140799Abstract: This invention provides a cutting tool having a cutting insert holder which has a lighter weight and can be produced at a lower cost than that made of aluminum. The base of the cutting insert holder, to which at least one cutting insert is fixed, is made of an amorphous plastic including from 30% to 60% of glass fiber. The cutting insert holder has at least one female-screw member, such as a screw thread coil (e.g. a HELI-SERT® or Heli-Coil® insert), which has a screw tap for securing an adjusting member, to which a cutting insert has been fixed, to the base by screw-driving of a hexagon socket head cap bolt. The female-screw member is fixedly embedded in the inner end of an insert-holding recess formed in the base.Type: ApplicationFiled: December 17, 2004Publication date: June 21, 2007Applicant: NGK SPARK PLUG CO., LTD.Inventors: Takayuki Kumakiri, Masayoshi Ito, Tomoaki Shindo
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Publication number: 20070008210Abstract: A radar device tracks with a high accuracy positions and velocities of a plurality of external targets that are close to each other and whose observed direction values are likely to be low.Type: ApplicationFiled: September 11, 2003Publication date: January 11, 2007Inventors: Noriko Kibayashi, Masayoshi Ito
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Publication number: 20060238405Abstract: A radar device separates directions of a plurality of targets, obtained from combinations of antenna beams, with a high accuracy. The radar device includes: a direction calculating unit for calculating a primary direction, which is the direction of a target, from a combination of characterizing quantities calculated by a signal detector from the reception waves of at least two beams that partially overlap, among the beams radiated in the plurality of directions; and a direction integrating unit for, when a plurality of primary directions calculated by the direction calculating unit is present, calculating an integrated direction, which is the true target direction, from an area in which distribution of the plurality of primary directions is a predetermined density or greater, based on the primary directions belonging to the area.Type: ApplicationFiled: September 11, 2003Publication date: October 26, 2006Inventors: Toshio Wakayama, Takashi Sekiguchi, Atsushi Okamura, Masayoshi Ito, Takayuki Inaba, Masashi Mitsumoto
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Publication number: 20060138255Abstract: A tip end surface of a valve body and a back end surface of an injection nozzle contact each other with pressure by being fastened using a retaining nut and thereby form a metal seal structure to achieve a metal seal. To increase a surface pressure in a seal surface by fastening axial force, conventional recesses around the central axis of a nozzle are replaced so that proximity of a high pressure fuel hole is secured as a seal surface. An outside recess is provided outside of the proximity of the high pressure fuel hole to link with an outer peripheral border of the metal seal structure. Alternatively, a contact surface functioning as a retaining seal surface is added outside of the outside recess to be apart from the proximity of the high pressure fuel hole.Type: ApplicationFiled: December 22, 2005Publication date: June 29, 2006Applicant: Denso CorporationInventors: Akira Nakatsu, Senta Tojo, Masayoshi Ito, Mitsuru Ueki
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Patent number: 6550699Abstract: A solenoid valve is provided which may be used to inject fuel into an internal combustion engine for automotive vehicles. The solenoid valve is designed to keep an air gap between a stator and an armature at a constant interval required to ensure a normal operation of the solenoid valve. The solenoid valve includes a spacer which is provided between the stator and the armature to keep the air gap without any hit of the armature on the stator. In one embodiment, the spacer is installed on a peripheral portion of the stator or the armature.Type: GrantFiled: April 4, 2001Date of Patent: April 22, 2003Assignee: Denso CorporationInventors: Koichi Nagai, Masayoshi Ito
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Publication number: 20010028005Abstract: A solenoid valve is provided which may be used to inject fuel into an internal combustion engine for automotive vehicles. The solenoid valve is designed to keep an air gap between a stator and an armature at a constant interval required to ensure a normal operation of the solenoid valve. The solenoid valve includes a spacer which is provided between the stator and the armature to keep the air gap without any hit of the armature on the stator. In one embodiment, the spacer is installed on a peripheral portion of the stator or the armature.Type: ApplicationFiled: April 4, 2001Publication date: October 11, 2001Inventors: Koichi Nagai, Masayoshi Ito
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Patent number: 6084015Abstract: A rubber composition comprising a diene rubber, a reinforcing agent and a compound containing radicals capable of being stably present at room temperature in the presence of oxygen in the molecule thereof, selected from the group consisting of nitroxide radicals, hydrazyl radicals, allyloxyl radicals, and trityl radicals and the analogues thereof or a compound having at least one substituent group selected from amino groups, isocyanate groups, hydroxyl groups, carboxyl groups, oxirane groups, and thiirane groups.Type: GrantFiled: June 24, 1998Date of Patent: July 4, 2000Assignee: The Yokohama Rubber Co., Ltd.Inventors: Keisuke Chino, Fumito Yatsuyanagi, Hiroyuki Kaido, Masahiro Ikawa, Masayoshi Ito
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Patent number: 5937959Abstract: A conveyance apparatus, and more particularly, an improvement of a transfer aid mechanism which allows a patient to be transferred from a bed to a wheelchair, for example, is disclosed. The transfer aid mechanism according to the invention includes casters disposed at four locations on a frame, and a drive mechanism which is elevatable with respect to the frame. When required, the drive mechanism is lowered to bring its drive wheel into contact with a floor, and when the drive wheel is driven for rotation under this condition, the transfer aid mechanism may be moved back and forth by utilizing the drive wheel alone. Accordingly, a travelling movement of the transfer aid mechanism is facilitated if there is a carpet laid over the floor or there is a step in the floor.Type: GrantFiled: September 17, 1996Date of Patent: August 17, 1999Inventors: Naoto Fujii, Masayoshi Ito, Tsutomu Hara, Kazuharu Seki
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Patent number: 5566072Abstract: An apparatus for estimating a road traffic condition and for controlling a vehicle running characteristic includes a controller having a fuzzy inference function and a neural network function. The controller carries out frequency analysis on vehicle driving parameters such as vehicle speed, steering angle, accelerator opening degree, and longitudinal acceleration and lateral acceleration of a vehicle, to thereby determine a mean value and variance of each parameter. It implements fuzzy inference based on a traveling time ratio, an average speed, and an average lateral acceleration, which are obtained from vehicle speed and/or steering angle, to thereby calculate road traffic condition parameters, including a city area degree, a jammed road degree, and a mountainous road degree.Type: GrantFiled: August 10, 1994Date of Patent: October 15, 1996Assignee: Mitsubishi Jidosha Kogyo Kabushiki KaishaInventors: Nobuo Momose, Masayoshi Ito, Hiroaki Yoshida, Masanori Tani, Yoshiaki Sano, Masahito Taira