Patents by Inventor Akira Ikeuchi

Akira Ikeuchi 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).

  • Patent number: 11321585
    Abstract: Provided is an image classification device that facilitates efficient creation of teacher data and comprehensive evaluation on a basis of knowledge and experience of the user.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: May 3, 2022
    Assignee: Hitachi High-Tech Corporation
    Inventors: Yaku Maeda, Akira Ikeuchi, Shigeru Kawamata, Hiromi Mise, Akira Sawaguchi
  • Publication number: 20200125894
    Abstract: Provided is an image classification device that facilitates efficient creation of teacher data and comprehensive evaluation on a basis of knowledge and experience of the user.
    Type: Application
    Filed: April 14, 2017
    Publication date: April 23, 2020
    Inventors: Yaku MAEDA, Akira IKEUCHI, Shigeru KAWAMATA, Hiromi MISE, Akira SAWAGUCHI
  • Publication number: 20200056141
    Abstract: Provided is a charged particle beam apparatus capable of more objectively and highly accurately calculating a feature of a cell from an observation image of a cell and evaluating a cell. The charged particle beam apparatus includes an image acquisition unit 18 that acquires an image of a cell, a contour extraction unit 19 that extracts a contour of the image, a feature calculation unit 20 that calculates a morphological feature of the contour based on the contour and calculates the feature of an internal structure such as a cytoplasm contained in an internal area of the contour, and a determination unit 21 that determines quality and/or functionality of the cell based on the feature, and can objectively and highly accurately evaluate the quality and/or the functionality of the cell included in the captured image.
    Type: Application
    Filed: April 14, 2017
    Publication date: February 20, 2020
    Inventors: Akira IKEUCHI, Shigeru KAWAMATA, Hiromi MISE, Akira SAWAGUCHI
  • Patent number: 10431417
    Abstract: In order to provide a sample holder capable of easily searching for an observation field of view, the sample holder includes a sample placement portion including a first top surface on which a counterbore part is formed and a rotational axis for rotating the first top surface horizontally, the counterbore part being aligned by being mounted with a sample supporting member having a pattern for alignment, a sample base portion including an opening through which the sample placement portion is capable of moving vertically and a second top surface around the opening, and a sample cover portion which has conductivity and is pressed down toward a direction of the second top surface of the sample base portion, so that a top surface of the sample supporting member placed on the sample placement portion and the second top surface of the sample base portion are flush with each other.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: October 1, 2019
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Akira Ikeuchi, Shigeru Haneda, Yoshinobu Hoshino
  • Publication number: 20190122853
    Abstract: In order to provide a sample holder capable of easily searching for an observation field of view, the sample holder includes a sample placement portion including a first top surface on which a counterbore part is formed and a rotational axis for rotating the first top surface horizontally, the counterbore part being aligned by being mounted with a sample supporting member having a pattern for alignment, a sample base portion including an opening through which the sample placement portion is capable of moving vertically and a second top surface around the opening, and a sample cover portion which has conductivity and is pressed down toward a direction of the second top surface of the sample base portion, so that a top surface of the sample supporting member placed on the sample placement portion and the second top surface of the sample base portion are flush with each other.
    Type: Application
    Filed: April 13, 2016
    Publication date: April 25, 2019
    Inventors: Akira IKEUCHI, Shigeru HANEDA, Yoshinobu HOSHINO
  • Patent number: 9935451
    Abstract: A protection monitoring circuit includes a protection circuit which detects overcharge, overdischarge, and overcurrent of a secondary battery, and a secondary battery monitoring circuit which monitors a state of the secondary battery and detects a residual quantity of the secondary battery. The protection circuit includes a first communication terminal that is connected to the secondary battery monitoring circuit, a second communication terminal that is connected to a mobile device, and a level shift circuit that is connected to the first and second communication terminals. The level shift circuit performs a level shift of a signal input of the first communication terminal so as to become a second level and outputs the signal to the second communication terminal, and also performs the level shift of a signal input of the second communication terminal so as to become a first level and outputs the signal to the first communication terminal.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: April 3, 2018
    Assignee: MITSUMI ELECTRIC CO., LTD.
    Inventors: Akira Ikeuchi, Yoshihide Majima
  • Patent number: 9293930
    Abstract: A protective monitoring circuit includes a protective circuit to detect at least one of overcharging, overdischarging, and overcurrent of a chargeable secondary battery to control whether to turn on or off a control transistor to protect the secondary battery, and a secondary-battery monitoring circuit, having a reduced size and having a breakdown voltage lower than a battery voltage of the secondary battery, to detect a status of the secondary battery, wherein the protective circuit generates a voltage that is commensurate with an output voltage of the secondary battery and that is within a predetermined tolerance voltage range of the secondary-battery monitoring circuit, and the secondary-battery monitoring circuit generates a detection value responsive to the generated voltage supplied from the protective circuit, the detection value being indicative of the output voltage of the secondary battery.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: March 22, 2016
    Assignee: MITSUMI ELECTRIC CO., LTD.
    Inventors: Akira Ikeuchi, Hidenori Tanaka, Itsuki Nakano
  • Publication number: 20160079746
    Abstract: A protection monitoring circuit includes a protection circuit which detects overcharge, overdischarge, and overcurrent of a secondary battery, and a secondary battery monitoring circuit which monitors a state of the secondary battery and detects a residual quantity of the secondary battery. The protection circuit includes a first communication terminal that is connected to the secondary battery monitoring circuit, a second communication terminal that is connected to a mobile device, and a level shift circuit that is connected to the first and second communication terminals. The level shift circuit performs a level shift of a signal input of the first communication terminal so as to become a second level and outputs the signal to the second communication terminal, and also performs the level shift of a signal input of the second communication terminal so as to become a first level and outputs the signal to the first communication terminal.
    Type: Application
    Filed: November 24, 2015
    Publication date: March 17, 2016
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Akira IKEUCHI, Yoshihide MAJIMA
  • Patent number: 9231283
    Abstract: A protection monitoring circuit 101 includes a secondary battery monitoring circuit 120 which detects a state of a chargeable and dischargeable secondary battery 110, and a protection circuit 130 which performs an ON/OFF control of a charge control transistor or a discharge control transistor disposed between the secondary battery 110 and a load or a charger device, and protects the secondary battery 110. The secondary battery monitoring circuit outputs a control signal that compulsively turns on/off the charge control transistor or the discharge control transistor, to the protection circuit. The protection circuit 130 performs the ON/OFF control of the charge control transistor or the discharge control transistor upon receipt of the control signal.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: January 5, 2016
    Assignee: MITSUMI ELECTRIC CO., LTD.
    Inventors: Akira Ikeuchi, Yoshihide Majima
  • Patent number: 8890482
    Abstract: A protection monitoring circuit 101 includes a protection circuit 130 which detects at least one of overcharge, overdischarge, and overcurrent of a chargeable and dischargeable secondary battery 110 and protects the secondary battery 110 by performing an ON/OFF control of transistors M11 and M12, and a secondary battery monitoring circuit 120 which detects a state of the secondary battery 110. The protection circuit 130 supplies a power supply voltage to the secondary battery monitoring circuit 120. If overdischarge of the secondary battery is detected, the protection circuit 130 inhibits the supply of the power supply voltage to the secondary battery monitoring circuit 120 after a predetermined time has elapsed or after a control signal for inhibiting the supply of power supply voltage is received from the secondary battery monitoring circuit 120.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: November 18, 2014
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Akira Ikeuchi, Yoshihide Majima, Itsuki Nakano
  • Patent number: 8867246
    Abstract: A communication device, includes a CMOS type inverter configured to transfer a signal, the signal being transferred and received between an electronic device and a control part able to communicate with the electronic device whose electric power supply is a rechargeable battery; and a regulator configured to generate a regulated voltage, the regulated voltage being formed by decreasing an electric power supply voltage of the electronic device, wherein the regulator includes a depletion type NMOS transistor where a drain is connected to a high electric potential side of the electric power supply voltage and a gate and a source are mutually connected, and a capacitive element having an electrode connected to the source side and another electrode connected to a low electric potential side of the electric power supply voltage, wherein a voltage of the capacitive element is supplied across both ends of the inverter.
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: October 21, 2014
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Shuhei Abe, Akira Ikeuchi
  • Publication number: 20140217990
    Abstract: A protective monitoring circuit includes a protective circuit to detect at least one of overcharging, overdischarging, and overcurrent of a chargeable secondary battery to control whether to turn on or off a control transistor to protect the secondary battery, and a secondary-battery monitoring circuit, having a reduced size and having a breakdown voltage lower than a battery voltage of the secondary battery, to detect a status of the secondary battery, wherein the protective circuit generates a voltage that is commensurate with an output voltage of the secondary battery and that is within a predetermined tolerance voltage range of the secondary-battery monitoring circuit, and the secondary-battery monitoring circuit generates a detection value responsive to the generated voltage supplied from the protective circuit, the detection value being indicative of the output voltage of the secondary battery.
    Type: Application
    Filed: April 8, 2014
    Publication date: August 7, 2014
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Akira IKEUCHI, Hidenori TANAKA, Itsuki NAKANO
  • Patent number: 8773830
    Abstract: A protective monitoring circuit includes a protective circuit to detect at least one of overcharging, overdischarging, and overcurrent of a chargeable secondary battery to control whether to turn on or off a control transistor to protect the secondary battery, and a secondary-battery monitoring circuit, having a reduced size and having a breakdown voltage lower than a battery voltage of the secondary battery, to detect a status of the secondary battery, wherein the protective circuit generates a voltage that is commensurate with an output voltage of the secondary battery and that is within a predetermined tolerance voltage range of the secondary-battery monitoring circuit, and the secondary-battery monitoring circuit generates a detection value responsive to the generated voltage supplied from the protective circuit, the detection value being indicative of the output voltage of the secondary battery.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: July 8, 2014
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Akira Ikeuchi, Hidenori Tanaka, Itsuki Nakano
  • Publication number: 20140184235
    Abstract: An internal short-circuit determination circuit includes a current detecting unit, a voltage detecting unit, a short detecting unit, and first and second acquiring units. The first acquiring unit acquires first and second capacity values based on first and second voltage values. The second acquiring unit acquires a third capacity value based on a current flowing in a battery unit during a predetermined period. The short detecting unit computes a fourth capacity value by subtracting at least the second and third capacity values from the first capacity value. The short detecting unit determines whether an internal short-circuit has occurred in the battery unit based on the fourth capacity value.
    Type: Application
    Filed: March 4, 2014
    Publication date: July 3, 2014
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Akira IKEUCHI, Yoshihide MAJIMA, Itsuki NAKANO, Kenichi KASAl
  • Patent number: 8730631
    Abstract: A protective monitoring circuit includes a protective circuit to detect at least one of overcharging, overdischarging, and overcurrent of a chargeable secondary battery to control whether to turn on or off a control transistor to protect the secondary battery, and a secondary-battery monitoring circuit, having a reduced size and having a breakdown voltage lower than a battery voltage of the secondary battery, to detect a status of the secondary battery, wherein the protective circuit generates a voltage that is commensurate with an output voltage of the secondary battery and that is within a predetermined tolerance voltage range of the secondary-battery monitoring circuit, and the secondary-battery monitoring circuit generates a detection value responsive to the generated voltage supplied from the protective circuit, the detection value being indicative of the output voltage of the secondary battery.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: May 20, 2014
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Akira Ikeuchi, Hidenori Tanaka, Itsuki Nakano
  • Patent number: 8658300
    Abstract: A fuel gauge circuit detects a residual quantity of a battery 1 and is disposed on a substrate 20 together with a protection circuit 40 which protects charging/discharging of the battery 1. The fuel gauge circuit includes a voltage monitor terminal T1 disposed on a side facing a positive power-supply terminal 21 of the substrate and connected to each of the positive power-supply terminal 21 and a voltage sensor 31 disposed in the circuit, a voltage through terminal T6 disposed on a side facing the protection circuit, opposite to the side facing the positive power-supply terminal 21, and connected to a voltage monitor terminal T11 of the protection circuit, and a wiring 32 disposed within the circuit to connect the voltage monitor terminal T1 of the fuel gauge circuit to the voltage through terminal T11.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: February 25, 2014
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Takatoshi Itagaki, Akira Ikeuchi, Makio Abe
  • Patent number: 8424092
    Abstract: A battery pack includes at least one rechargeable battery configured to output power; a remaining battery capacity detection unit configured to detect a remaining battery capacity of the at least one rechargeable battery; and a cryptographic unit configured to output a response word in response to an external request word by encrypting the external request word based on a cryptographic algorithm with a common code key.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: April 16, 2013
    Assignees: Mitsumi Electric Co., Ltd., Sony Mobile Communications Japan, Inc.
    Inventors: Akira Ikeuchi, Itsuki Nakano, Kenichi Kasai, Katsuya Suzuki, Kuniharu Suzuki
  • Patent number: 8339107
    Abstract: A portable device is disclosed that includes a charge control circuit configured to control charging of a secondary battery included in a battery pack, the secondary battery being configured to supply power to the portable device; a temperature detection terminal at which the temperature of the secondary battery is detected from a temperature detection part of the battery pack; positive and negative power terminals to be connected to the battery pack; a control circuit configured to control the operation of the portable device; and an interface circuit connected between the temperature detection terminal and each of an input terminal of the charge control circuit and an input terminal of the control circuit, in which a signal detected at the temperature detection terminal is fed to each of the charge control circuit and the control circuit through the interface circuit.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: December 25, 2012
    Assignees: Mitsumi Electric Co., Ltd., Sony Mobile Communications Japan, Inc.
    Inventors: Akira Ikeuchi, Itsuki Nakano, Kenichi Kasai, Katsuya Suzuki, Kuniharu Suzuki
  • Publication number: 20120300351
    Abstract: A protective monitoring circuit includes a protective circuit to detect at least one of overcharging, overdischarging, and overcurrent of a chargeable secondary battery to control whether to turn on or off a control transistor to protect the secondary battery, and a secondary-battery monitoring circuit, having a reduced size and having a breakdown voltage lower than a battery voltage of the secondary battery, to detect a status of the secondary battery, wherein the protective circuit generates a voltage that is commensurate with an output voltage of the secondary battery and that is within a predetermined tolerance voltage range of the secondary-battery monitoring circuit, and the secondary-battery monitoring circuit generates a detection value responsive to the generated voltage supplied from the protective circuit, the detection value being indicative of the output voltage of the secondary battery.
    Type: Application
    Filed: February 15, 2011
    Publication date: November 29, 2012
    Applicant: Mitsumi Electric Co., Ltd.
    Inventors: Akira Ikeuchi, Hidenori Tanaka, Itsuki Nakano
  • Patent number: 8232837
    Abstract: A communication device includes a first JK flip-flop (FF) outputting a first output signal in response to a first input signal at a J-input and a reversed signal of the first input signal at a K-input, and a second JK FF outputting a second output signal in response to a second input signal at a J-input and a reversed signal of the second input signal at a K-input. A clock input to a NAND gate (12) is replaced by a reversed signal of a Q-output of the second JK FF. A clock input to a NAND gate (13) is replaced by the reversed signal of the second input signal. A clock input to a NAND gate (22) is replaced by a reversed signal of a Q-output of the first JK FF. A clock input to a NAND gate (23) is replaced by the reversed signal of the first input signal.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: July 31, 2012
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Shuhei Abe, Akira Ikeuchi