Patents by Inventor Toshiya Suzuki
Toshiya Suzuki 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: 20170140924Abstract: Methods for depositing silicon oxycarbonitride (SiOCN) thin films on a substrate in a reaction space are provided. The methods can include at least one plasma enhanced atomic layer deposition (PEALD) cycle including alternately and sequentially contacting the substrate with a silicon precursor and a second reactant that does not include oxygen. In some embodiments the methods allow for the deposition of SiOCN films having improved acid-based wet etch resistance.Type: ApplicationFiled: November 12, 2015Publication date: May 18, 2017Inventors: Toshiya Suzuki, Viljami J. Pore
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Publication number: 20170140081Abstract: [Object] To provide a model setting method of a finite element model used for forming simulation, which is capable of executing forming simulation of a metal plate highly accurately and efficiently. [Solution] Provided is a model setting method for setting a finite element model for simulating forming of a metal plate by a forming tool by using a finite element method, by a processor included in a computer, the model setting method including: in setting a forming tool model that represents the forming tool, setting at least a part of a metal plate contacting surface that contacts the metal plate, in the forming tool model, as a surface layer that has characteristics of an elastic body or an elasto-plastic body; and setting a part that supports the surface layer in the forming tool model, as a base body that has characteristics of a rigid body.Type: ApplicationFiled: July 30, 2015Publication date: May 18, 2017Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Toshiya SUZUKI, Yoshiaki NAKAZAWA
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Publication number: 20170062204Abstract: Methods of forming silicon nitride thin films on a substrate in a reaction space under high pressure are provided. The methods can include a plurality of plasma enhanced atomic layer deposition (PEALD) cycles, where at least one PEALD deposition cycle comprises contacting the substrate with a nitrogen plasma at a process pressure of 20 Torr to 500 Torr within the reaction space. In some embodiments the silicon precursor is a silyly halide, such as H2SiI2. In some embodiments the processes allow for the deposition of silicon nitride films having improved properties on three dimensional structures. For example, such silicon nitride films can have a ratio of wet etch rates on the top surfaces to the sidewall of about 1:1 in dilute HF.Type: ApplicationFiled: August 24, 2015Publication date: March 2, 2017Inventors: TOSHIYA SUZUKI, VILJAMI J. PORE, SHANG CHEN, RYOKO YAMADA, DAI ISHIKAWA, KUNITOSHI NAMBA
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Patent number: 9503000Abstract: A driving device of a multi-phase motor having a plurality of coils is provided. The driving device includes a back electromotive force (BEMF) detecting comparator connected to one of the plurality of coils to compare BEMF generated in one end of the one of the plurality of coils with a midpoint voltage of the plurality of coils and generate a BEMF detection signal, when the multi-phase motor starts to be driven; and an initial state detecting unit configured to detect a rotation state of the multi-phase motor based on the BEMF detection signal and a hall detection signal.Type: GrantFiled: August 7, 2014Date of Patent: November 22, 2016Assignee: ROHM CO., LTD.Inventor: Toshiya Suzuki
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Publication number: 20160267453Abstract: A service providing system includes a terminal; a repeater; and a server device. The terminal includes a terminal short range radio communication unit configured to perform short range radio communication with the repeater, and a terminal transmitting unit configured to send a connection request including a user ID for identifying a user of the terminal, to the server device. The server device includes a receiving unit configured to receive a connection request including a repeater ID for identifying the repeater and the user ID, from the terminal or the repeater, and a service management unit configured to manage a type of a service that can be provided to the user, based on the received repeater ID and user ID.Type: ApplicationFiled: January 28, 2016Publication date: September 15, 2016Applicant: RICOH COMPANY, LTD.Inventor: Toshiya SUZUKI
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Patent number: 9296430Abstract: A front floor panel for an automotive body as a lightweight sheet can be reliably press-formed without a press forming loads becoming excessively large, can have desired stiffness, and noise and vibration characteristics for all directions since there is little stiffness anisotropy. The front floor panel includes a floor tunnel formed in a center in an automotive width direction to be oriented to a longitudinal direction, upright flanges disposed left and right formed at a left and right end portions in the automotive width direction to be joined to side sills, and a left and right plane portions formed between the upright flanges disposed left and right and a left and right longitudinal wall portions of the floor tunnel. In loop-shaped areas including outer edge portions of the plane portions, convex-concave parts in specific shapes are formed, and remaining areas excluding the loop-shaped areas are formed into flat sheet shapes.Type: GrantFiled: December 20, 2012Date of Patent: March 29, 2016Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Toru Yonebayashi, Toshiya Suzuki, Yoshiaki Nakazawa, Masaya Takahashi
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Publication number: 20150319894Abstract: A system including at least one inspection machine and an NG board discharge machine which moves an NG board to a checking position visible to a worker. The system acquires positional information of a circuit board during conveyance, and stores the NG board by associating a work result for the NG board with the positional information. In this manner, the positional information of the NG board is acquired. Based on the positional information, it is determined whether or not the circuit board conveyed to the NG board discharge machine is the NG board. When the circuit board conveyed to the NG board discharge machine is the NG board, a checking-purpose working machine discharges the NG board to the checking position.Type: ApplicationFiled: November 30, 2012Publication date: November 5, 2015Applicant: FUJI MACHINE MFG. CO., LTD.Inventors: Teruyuki OHASHI, Toshiya SUZUKI
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Patent number: 9178453Abstract: According to the voltage VU that occurs at one end of at least one of multiple coils of a fan motor, a back electromotive force detection circuit generates a detection signal BEMFU asserted in a cyclic manner when a fan motor is stably rotating. A lock protection circuit detects a lock state of the fan motor rotor. A period detection unit measures the detection signal BEMFU period. A synchronization pulse generating circuit generates a synchronization pulse having a period that is 1/N (N represents an integer of 2 or more) of that of the detection signal BEMFU measured in a previous cycle. A lock judgment unit counts the synchronization pulse in increments of cycles of the detection signal BEMFU. When the count value exceeds a predetermined threshold value M (M represents an integer of 2 or more) which is greater than N, the lock mode judgment signal is asserted.Type: GrantFiled: November 20, 2013Date of Patent: November 3, 2015Assignee: ROHM CO., LTD.Inventors: Toshiya Suzuki, Yuki Gohara
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Publication number: 20150174634Abstract: A press-formed body (15) made of a high-tensile strength steel sheet of 390 MPa or more including a groove bottom part (15a), ridge line parts (15b, 15b) continuous to the groove bottom part (15a), and side wall parts (15c, 15c) continuous to the ridge line parts (15b, 15b), and in which an outward flange (16) is formed at an end part in a longitudinal direction is manufactured by a press-forming apparatus including a punch (11), a die (12), and a pad (14) which presses and binds a press-forming material (13) to the punch (11). At a press-forming time, the pad (14) binds a part to be formed into the groove bottom part (15a) and a part having a length of one-third or more of a cross-sectional peripheral length of the ridge line part (15b) starting from a connecting part with the groove bottom part (15a) from among a part to be formed into the ridge line part (15b) in a vicinity of the outward flange (16) at the press-forming material (13).Type: ApplicationFiled: June 20, 2013Publication date: June 25, 2015Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Ryuichi Nishimura, Kenichiro Otsuka, Yoshiaki Nakazawa, Yoshihiko Masuo, Toshiya Suzuki, Yoshiyuki Ikeda
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Patent number: 9030146Abstract: A digital filter is configured to convert, into a digital value, the duty ratio of a control signal subjected to pulse width modulation according to a target toque to be set for a fan motor to be driven. A sampling circuit is configured to perform sampling of the output value of the digital filter at a sampling timing that is asynchronous with respect to the cycle of the control signal, so as to generate a torque instruction value. A driving circuit is configured to drive the fan motor according to the torque instruction value thus generated.Type: GrantFiled: July 25, 2013Date of Patent: May 12, 2015Assignee: Rohm Co., Ltd.Inventors: Toshiya Suzuki, Shinsuke Sano
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Patent number: 9017153Abstract: It is an object to ease discomfort feeling caused by ear fullness for passengers of an elevator. An air pressure control device 104 controls an air pressure in an elevator car 102 using an air pressure adjusting device 105 such as a blower, an air compressor, etc. In the air pressure control device 104, a departure/arrival control unit 121 largely changes the air pressure in the elevator car 102 in the first period which is a time zone at the time of departing from a departure floor (or at the time of arriving at an arrival floor), and an except departure/arrival control unit 122 slightly changes the air pressure in the elevator car 102 in the subsequent second period (or in a time period until arrival). By this 2-step air pressure control, the passenger is prompted to clear the ear in a short time T1, the ear fullness is resolved by the ear clearing, and thereafter, the passenger can ascend/descend with the elevator car 102 comfortably until arriving at the arrival floor.Type: GrantFiled: November 9, 2007Date of Patent: April 28, 2015Assignee: Mitsubishi Electric CorporationInventors: Keigo Yamamoto, Masaji Iida, Toshiya Suzuki
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Publication number: 20150042251Abstract: A driving device of a multi-phase motor having a plurality of coils is provided. The driving device includes a back electromotive force (BEMF) detecting comparator connected to one of the plurality of coils to compare BEMF generated in one end of the one of the plurality of coils with a midpoint voltage of the plurality of coils and generate a BEMF detection signal, when the multi-phase motor starts to be driven; and an initial state detecting unit configured to detect a rotation state of the multi-phase motor based on the BEMF detection signal and a hall detection signal.Type: ApplicationFiled: August 7, 2014Publication date: February 12, 2015Inventor: Toshiya SUZUKI
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Publication number: 20150003191Abstract: The present invention is a stirrer shaft pipe constituting a shaft of a stirrer for glass production formed by the shaft and a stirring blade protrusively provided at the shaft, having a multilayered structure of n layers (n=2 to 5) in which a plurality of pipes are laminated, wherein in at least the pipe of one layer of the plurality of pipes constituting the multilayered structure, a crystal grain aspect ratio (a longitudinal direction/a radial direction) in a material structure of a section in the longitudinal direction is 10 to 100, and a crystal grain aspect ratio (a circumferential direction/a sectional direction) in the material structure of a section in the circumferential direction is 5 to 100.Type: ApplicationFiled: February 26, 2013Publication date: January 1, 2015Applicant: TANAKA KIKINZOKU KOGYO K.K.Inventors: Yoshikazu Takagi, Toshiya Suzuki
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Publication number: 20140367999Abstract: A front floor panel for an automotive body as a lightweight sheet can be reliably press-formed without a press forming loads becoming excessively large, can have desired stiffness, and noise and vibration characteristics for all directions since there is little stiffness anisotropy. The front floor panel includes a floor tunnel formed in a center in an automotive width direction to be oriented to a longitudinal direction, upright flanges disposed left and right formed at a left and right end portions in the automotive width direction to be joined to side sills, and a left and right plane portions formed between the upright flanges disposed left and right and a left and right longitudinal wall portions of the floor tunnel. In loop-shaped areas including outer edge portions of the plane portions, convex-concave parts in specific shapes are formed, and remaining areas excluding the loop-shaped areas are formed into flat sheet shapes.Type: ApplicationFiled: December 20, 2012Publication date: December 18, 2014Inventors: Toru Yonebayashi, Toshiya Suzuki, Yoshiaki Nakazawa, Masaya Takahashi
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Publication number: 20140356643Abstract: A press-formed product includes a body having a transverse cross section including a bottom portion and a shoulder portion contiguous to the bottom portion through an R end. In the transverse cross section, a first region from the R end to a position a distance away in a bottom portion extending direction, and a second region which is part of the bottom portion and is contiguous to the first region have a work-hardening distribution introduced by press-forming. The work-hardening distribution has an average hardness Hv1 of an area of the first region from a steel sheet surface to a depth obtained by multiplying a steel sheet thickness by 0.2 and an average hardness Hv2 of an area of the second region from the steel sheet surface to a position obtained by multiplying the steel sheet thickness by 0.2 to satisfy a relationship of Hv1>1.05×Hv2.Type: ApplicationFiled: December 20, 2012Publication date: December 4, 2014Inventors: Masahiro Nakata, Toshiya Suzuki, Tomokichi Tokuda, Masanobu Ichikawa, Nobuyuki Ichimaru
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Patent number: 8860340Abstract: The present invention is provided to remove dust that adhered to a cooling fan. A plurality of comparators are disposed for each of a plurality of coils, respectively, and generates a back electromotive force sensing signal denoting a comparison result by comparing a back electromotive force appearing at one end of each corresponding coil with a neutral-point voltage of the coils. A driving signal synthesis circuit generates a driving control signal used to enable the fan motor to proceed the following actions: (i) enabling the fan motor to rotate toward the opposite direction as a normal operation within a specific reverse rotation period after a driving of the fan motor is started, (ii) applying a brake to the fan motor within a braking period, and (iii) enabling the fan motor to rotate toward a direction of normal operation in a normal driving period. A driving circuit drives the fan motor.Type: GrantFiled: February 10, 2012Date of Patent: October 14, 2014Assignee: Rohm Co., Ltd.Inventors: Shinsuke Sano, Toshiya Suzuki
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Publication number: 20140152216Abstract: According to the voltage VU that occurs at one end of at least one of multiple coils of a fan motor, a back electromotive force detection circuit generates a detection signal BEMFU asserted in a cyclic manner when a fan motor is stably rotating. A lock protection circuit detects a lock state of the fan motor rotor. A period detection unit measures the detection signal BEMFU period. A synchronization pulse generating circuit generates a synchronization pulse having a period that is 1/N (N represents an integer of 2 or more) of that of the detection signal BEMFU measured in a previous cycle. A lock judgment unit counts the synchronization pulse in increments of cycles of the detection signal BEMFU. When the count value exceeds a predetermined threshold value M (M represents an integer of 2 or more) which is greater than N, the lock mode judgment signal is asserted.Type: ApplicationFiled: November 20, 2013Publication date: June 5, 2014Applicant: ROHM CO., LTD.Inventors: Toshiya SUZUKI, Yuki GOHARA
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Publication number: 20140147693Abstract: A formed member is provided which can be manufactured at a low cost, which has excellent dimensional accuracy, which has excellent axial crushing properties and three-point bending properties, which has excellent bending stiffness and torsional stiffness, and which is suitable for use in a component of an automobile. The formed member (20) has a reinforcing member (35) which is joined by a weld (40) provided on a ridge portion (28). It is manufactured by joining a flat sheet blank and a flat sheet reinforcing member (35) by a weld (40) and performing bending so that the weld (40) becomes a ridge portion (28).Type: ApplicationFiled: September 16, 2011Publication date: May 29, 2014Inventors: Masanori Yasuyama, Yoshiaki Nakazawa, Masahito Tasaka, Toshiya Suzuki, Masahiro Nakata, Hiroki Fujimoto, Hitomi Nishibata
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Patent number: 8729839Abstract: A BEMF detection circuit generates a rotation detection signal indicating a comparison result between electromotive force voltages VU through VW which occur at a terminal of respective multiple coils and an intermediate-point voltage VCOM. A rotor position detection circuit generates a rotor position detection signal indicating a stopped rotor position An internal start-up synchronization signal generating unit generates a predetermined-frequency forced synchronization signal. Upon receiving a fan motor start-up instruction, a driving signal synthesizing circuit generates a driving control signal based upon the rotor position detection signal. Thus, (1) when back electromotive force voltage occurs, a sensorless driving operation is started based upon the rotation detection signal; (2) when it does not occur, the driving control signal is generated based upon the forced synchronization signal. Subsequently, when it occurs, the sensorless driving operation is started based upon the rotation detection signal.Type: GrantFiled: October 25, 2011Date of Patent: May 20, 2014Assignee: Rohm Co., Ltd.Inventors: Toshiya Suzuki, Shinsuke Sano, Atsushi Sato, Eri Kishimoto
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Patent number: 8653774Abstract: A motor driving circuit may include a Hall sensor configured to generate a Hall signal according to the position of a rotor of a motor to be driven; a Hall bias circuit; an analog amplifier configured to amplify the Hall signal; an A/D converter configured to convert the Hall signal into a digital signal; an amplitude control circuit configured to adjust the amplitude of the digital signal; a control signal generating unit configured to generate a control signal to be used to drive the motor; and a driver circuit configured to drive the motor according to the control signal. The components may be monolithically integrated on a single semiconductor substrate. The amplitude control circuit may include an amplitude correction circuit; and a target amplitude judgment circuit configured to adjust the gain of the analog amplifier.Type: GrantFiled: March 25, 2011Date of Patent: February 18, 2014Assignee: Rohm Co., Ltd.Inventors: Tatsuro Shimizu, Hiroyuki Ishii, Nobuo Komura, Toshiya Suzuki