Patents by Inventor Takehiro Shimizu

Takehiro Shimizu 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: 20230147156
    Abstract: A semiconductor device includes an analog-to-digital converter configured to perform a process of sampling an analog input signal and a successive-approximation process, execute an AD conversion process, and output a digital output signal. The AD converter includes an upper DAC, a redundant DAC, a lower DAC, a comparator configured to compare a comparative reference voltage and output voltages of the upper DAC, the redundant DAC and the lower DAC, a control circuit configured to control successive approximations by the upper DAC, the redundant DAC and the lower DAC based on the comparison result of the comparator, and generate a digital output signal, and a correction circuit. The correction circuit includes an error correction circuit configured to correct an error of the upper bit with the redundant bit, and an averaging circuit configured to calculate an average value of conversion values of a plurality of the lower bits supplied multiple times.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 11, 2023
    Applicant: Renesas Electronics Corporation
    Inventors: Pratama FAJARMEGA, Tatsuo NISHINO, Takehiro SHIMIZU
  • Publication number: 20220363333
    Abstract: A straddled vehicle, including a head pipe, a main frame extending rearward from the head pipe, a fuel tank supported by the main frame, an air cleaner arranged in front of the fuel tank, a side cover formed on a lateral side of the fuel tank to partially overlap the fuel tank in a side view of the straddled vehicle, an intake port provided at an edge of the side cover and opening toward an outside of the straddled vehicle, an air cleaner chamber in which at least a part of the air cleaner is arranged, and an intake passage including a first passage between the side cover and a side surface of the fuel tank, the intake port communicating with the air cleaner chamber through the intake passage. The side cover includes a front portion located forward of the air cleaner, and the intake port is arranged rearward of the air cleaner.
    Type: Application
    Filed: December 22, 2021
    Publication date: November 17, 2022
    Inventors: Toshihiro NAKAJIMA, Takehiro SHIMIZU, Shogo ISHIDA, Kazuhiko ISAYAMA, Katsutoshi SATOH, Tatsuya KAMO
  • Patent number: 11086386
    Abstract: The power consumption of a circuit block outside a microcomputer and inside the same system is reduced. An electric power control system includes a first power supply circuit, a semiconductor device having a first circuit block operated by electric power supplied from the first power supply circuit, a state holding circuit that holds an operation state in the first circuit block according to the electric power, an electric power control circuit that controls the electric power supplied to the first circuit block according to the operation state, and a first terminal that outputs a first state signal corresponding to the operation state, a second power supply circuit that controls the supply of electric power according to the first state signal, and a second circuit block operated by the electric power supplied from the second power supply circuit.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: August 10, 2021
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Shunsuke Kogure, Takehiro Shimizu, Tatsuwo Nishino
  • Publication number: 20200181452
    Abstract: Provided are a coating composition or the like which is highly wettable to a plastic substrate and which can form a hardcoat layer having high adhesiveness to the substrate and favorable appearance on the plastic substrate. A coating composition for forming a hardcoat layer for a plastic substrate including (A) an organosilicon compound represented by general formula: R1R2aSi(OR3)3-a(R1 to R3 each represent a hydrocarbon group or the like, and a is 0 or 1), a hydrolysate thereof, etc, (B) silica-based fine particles, (C) a curing agent including polycarboxylic acid, etc, and a cyanamide derivative compound, (D) a leveling agent, and (E) a solvent including respective predetermined amounts of water and an organic solvent.
    Type: Application
    Filed: August 28, 2018
    Publication date: June 11, 2020
    Inventors: Masatoshi Sakai, Takehiro Shimizu
  • Patent number: 10505171
    Abstract: A metal-air battery (1) includes a tubular positive electrode (2) centered on a predetermined central axis (J1), a negative electrode (3) opposing an inner side surface of the positive electrode, and an electrolyte layer (4) disposed between the negative electrode and the positive electrode. The positive electrode includes a positive electrode conductive layer (21), a positive electrode catalyst layer (22), and a positive electrode current collector (24). The positive electrode catalyst layer is formed on the outer side surface of the tubular positive electrode conductive layer centered on the central axis and has lower electrical conductivity than the positive electrode conductive layer. The positive electrode current collector is formed on an area of the outer side surface of the positive electrode conductive layer where the positive electrode catalyst layer does not exist, to be in direct contact with the outer side surface.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: December 10, 2019
    Assignee: HITACHI ZOSEN CORPORATION
    Inventors: Sousuke Nishiura, Masanobu Aizawa, Takehiro Shimizu, Kazuya Kameyama
  • Publication number: 20190113962
    Abstract: The power consumption of a circuit block outside a microcomputer and inside the same system is reduced. An electric power control system includes a first power supply circuit, a semiconductor device having a first circuit block operated by electric power supplied from the first power supply circuit, a state holding circuit that holds an operation state in the first circuit block according to the electric power, an electric power control circuit that controls the electric power supplied to the first circuit block according to the operation state, and a first terminal that outputs a first state signal corresponding to the operation state, a second power supply circuit that controls the supply of electric power according to the first state signal, and a second circuit block operated by the electric power supplied from the second power supply circuit.
    Type: Application
    Filed: August 9, 2018
    Publication date: April 18, 2019
    Inventors: Shunsuke KOGURE, Takehiro SHIMIZU, Tatsuwo NISHINO
  • Patent number: 10202948
    Abstract: A straddled vehicle includes a duct part formed integrally with a lower case of an air cleaner and extending forward from the lower case in a vehicle front-rear direction, and a side cover including a duct formation portion placed outward of the duct part in a vehicle width direction. At least a portion of the side cover is assembled onto the duct part. A duct is defined by the duct part and the duct formation portion of the side cover.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: February 12, 2019
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Yuki Murayama, Takehiro Shimizu, Kazuhiko Isayama
  • Patent number: 10186627
    Abstract: The electric conductor connecting member of this invention comprises a metal foil having a roughened surface on at least one main side, and an adhesive layer formed on the roughened surface of the metal foil.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: January 22, 2019
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Naoki Fukushima, Isao Tsukagoshi, Takehiro Shimizu
  • Patent number: 10032952
    Abstract: The electric conductor connection method of the invention is a method for electrical connection between a mutually separated first electric conductor and second electric conductor, comprising a step of hot pressing a metal foil, a first adhesive layer formed on one side of the metal foil and a first electric conductor, arranged in that order, to electrically connect and bond the metal foil and first electric conductor, and hot pressing the metal foil, the first adhesive layer or second adhesive layer formed on the other side of the metal foil, and the second electric conductor, arranged in that order, to electrically connect and bond the metal foil and the second electric conductor.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: July 24, 2018
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Naoki Fukushima, Isao Tsukagoshi, Takehiro Shimizu
  • Publication number: 20180190993
    Abstract: A positive electrode of a metal-air secondary battery includes a conductive layer having electrical conductivity, and a catalyst layer laminated on the conductive layer. Particles of different types of perovskite oxides, namely a first perovskite-type oxide and a second perovskite-type oxide, are dispersed in the catalyst layer. The first perovskite-type oxide has an average particle diameter greater than or equal to 2 micrometers and less than or equal to 9 micrometers, and the second perovskite-type oxide has an average particle diameter greater than or equal to 0.10 micrometers and less than or equal to 1.0 micrometers. This composition improves battery performance while maintaining a certain level of strength of the catalyst layer.
    Type: Application
    Filed: June 20, 2016
    Publication date: July 5, 2018
    Inventors: Sousuke NISHIURA, Masanobu AIZAWA, Takehiro SHIMIZU, Kazuya KAMEYAMA
  • Patent number: 9998132
    Abstract: A semiconductor device having an analog/digital conversion circuit converting an analog signal to a digital signal, includes a holding circuit outputting an analog signal having a value according to a value of an analog signal supplied in a first period; and a prediction circuit generating a first digital signal based on bit position information from a prediction table corresponding to the supplied analog signal.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: June 12, 2018
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Takehiro Shimizu
  • Publication number: 20180149123
    Abstract: A straddled vehicle includes a duct part formed integrally with a lower case of an air cleaner and extending forward from the lower case in a vehicle front-rear direction, and a side cover including a duct formation portion placed outward of the duct part in a vehicle width direction. At least a portion of the side cover is assembled onto the duct part. A duct is defined by the duct part and the duct formation portion of the side cover.
    Type: Application
    Filed: August 15, 2017
    Publication date: May 31, 2018
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Yuki MURAYAMA, Takehiro SHIMIZU, Kazuhiko ISAYAMA
  • Patent number: 9962613
    Abstract: A game device includes an area determination section that determines an area in which a virtual camera is located in a game space, an enemy character control section that controls the motion of an enemy character, and a game control section that controls an attack on the enemy character in the area in which the virtual camera is located, the game control section setting an input section among a plurality of input sections to be an input section that allows the player to perform an area change input based on the determination result of the area determination section, changing the area in which the virtual camera is located when the input section that allows the player to perform the area change input has been operated, and enabling an attack input for attacking the enemy character when an input section other than the input section that allows the player to perform the area change input has been operated, and the enemy character control section controlling the enemy character based on the determination result o
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: May 8, 2018
    Assignee: BANDAI NAMCO Entertainment Inc.
    Inventors: Norihiro Nishimura, Takehiro Shimizu, Tatsuya Ishiyama
  • Patent number: 9903610
    Abstract: An exhaust case having the first exhaust gas flow path for flowing combustion exhaust gas passing upward through a heat exchange, behind a water-shielding plate and for guiding the combustion exhaust gas onto the water-shielding plate toward an exhaust vent, and having the second exhaust gas flow path for flowing a part of combustion exhaust gas into a space between the water-shielding plate and a horizontal plate part and further into the exhaust vent. A ventilation hole is provided for an upright plate part extending from the rear end of the horizontal plate part in order to flow combustion exhaust gas into the space, and is provided in the substantially horizontal direction. Accordingly, the exhaust case is inhibited to become large scaled, and a superior exhaust noise-reduction effect, a suppression effect of combustion oscillation of the burner, and a waterproof performance are able to be achieved.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: February 27, 2018
    Assignee: NORITZ CORPORATION
    Inventors: Masamitsu Ishikado, Takehiro Shimizu
  • Patent number: 9904275
    Abstract: An apparatus including an ultrasonic motor having an electrostrictive element of a stator for driving a rotor thereof; and a microcontroller having a central processing unit (CPU), a built-in memory (ROM) and a pulse generating circuit which generates an pulse output signal which is applied to the electrostrictive element of the ultrasonic motor, wherein the pulse generating circuit comprising a rise setting register, a fall setting register, a phase adjustment data register, a cycle data register, a phase arithmetic circuit, a counter, a 1st comparator, a 2nd comparator, and a pulse generator, wherein the counter starts to count up, incrementing its count value from a count initial value, wherein the cycle data register stores, as cycle data, a count maximum value for the counter to count up to it.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: February 27, 2018
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Takehiro Shimizu, Toshio Asai
  • Patent number: 9899654
    Abstract: In a metal-air battery (1), an interconnector (24) formed of ceramic having alkali resistance is provided on the surface of a porous positive electrode layer (2) on the side opposite to the surface that is in contact with an electrolyte layer (4). A liquid repellent layer (29) having liquid repellency to an electrolyte solution is further provided on the surface of the positive electrode layer (2) on which the interconnector (24) is formed, and covers this surface along with the interconnector (24). The metal-air battery (1) using an alkaline electrolyte solution can thus easily prevent leakage of the electrolyte solution by the interconnector (24) and the liquid repellent layer (29) while suppressing degradation of the interconnector (24).
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: February 20, 2018
    Assignee: HITACHI ZOSEN CORPORATION
    Inventors: Takehiro Shimizu, Masanobu Aizawa, Sousuke Nishiura, Kazuya Kameyama
  • Publication number: 20180047967
    Abstract: A metal-air battery (1) includes a tubular positive electrode (2) centered on a predetermined central axis (J1), a negative electrode (3) opposing an inner side surface of the positive electrode, and an electrolyte layer (4) disposed between the negative electrode and the positive electrode. The positive electrode includes a positive electrode conductive layer (21), a positive electrode catalyst layer (22), and a positive electrode current collector (24). The positive electrode catalyst layer is formed on the outer side surface of the tubular positive electrode conductive layer centered on the central axis and has lower electrical conductivity than the positive electrode conductive layer. The positive electrode current collector is formed on an area of the outer side surface of the positive electrode conductive layer where the positive electrode catalyst layer does not exist, to be in direct contact with the outer side surface.
    Type: Application
    Filed: February 18, 2016
    Publication date: February 15, 2018
    Inventors: Sousuke NISHIURA, Masanobu AIZAWA, Takehiro SHIMIZU, Kazuya KAMEYAMA
  • Publication number: 20170338537
    Abstract: A metal-air battery has a positive electrode including a positive electrode conductive layer, a first catalyst layer, and a second catalyst layer. The positive electrode conductive layer is a porous layer made of conductive ceramic and has pores filled with an electrolyte solution. The first catalyst layer is a porous layer formed on a surface of the positive electrode conductive layer on the side opposite to the negative electrode, is made of conductive ceramic having a smaller average particle diameter than that of the positive electrode conductive layer, and has pores filled with the electrolyte solution. This improves charge performance. The second catalyst layer is a porous layer formed on a surface of the first catalyst layer on the side opposite to the negative electrode and is made of conductive ceramic having a larger average particle diameter than that of the first catalyst layer. This improves discharge performance.
    Type: Application
    Filed: May 15, 2017
    Publication date: November 23, 2017
    Inventors: Sousuke NISHIURA, Kazuya KAMEYAMA, Takehiro SHIMIZU, Masanobu AIZAWA
  • Publication number: 20170338536
    Abstract: A metal-air battery (1) includes a tubular positive electrode (2), a negative electrode (3) opposing an inner side surface of the positive electrode (2), and an electrolyte layer (4) disposed between the negative electrode (3) and the positive electrode (2). The positive electrode (2) includes a porous positive electrode main body (21) that is made of conductive ceramic and serves as a tubular supporter, and a separator (41) that is a porous film made of ceramic having insulating properties is formed on the inner side surface of the positive electrode main body (21). Using the positive electrode main body (21) as a supporter makes it possible to easily increase the thickness of the positive electrode (2) and to thereby reduce the electrical resistance of the positive electrode (2) and improve the battery performance of the metal-air battery (1).
    Type: Application
    Filed: October 15, 2015
    Publication date: November 23, 2017
    Inventors: Keisuke FUGANE, Sousuke NISHIURA, Kazuya KAMEYAMA, Takehiro SHIMIZU, Masanobu AIZAWA
  • Publication number: 20170187386
    Abstract: A semiconductor device having an analog/digital conversion circuit converting an analog signal to a digital signal, includes a holding circuit outputting an analog signal having a value according to a value of an analog signal supplied in a first period; and a prediction circuit generating a first digital signal based on bit position information from a prediction table corresponding to the supplied analog signal.
    Type: Application
    Filed: February 16, 2017
    Publication date: June 29, 2017
    Inventor: Takehiro SHIMIZU