Patents by Inventor Gen KATO

Gen KATO 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: 12274466
    Abstract: A medical device and a method of operating the same are provided. In a method of operating a medical device for ultrasonic treatment, the medical device including an ultrasonic instrument having a vibration transmission member that vibrates ultrasonically, a power source configured to supply electric energy to the ultrasonic instrument, and a processor including a control unit operably connected to the power source, the method includes: controlling supply of the electric energy to the ultrasonic instrument, obtaining a temperature value related to a temperature of the vibration transmission member, the vibration transmission member being separate from a transducer, and controlling the power source to reduce or stop the supply of electric energy of the power source based on the rate of change of the temperature value.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: April 15, 2025
    Assignee: Olympus Medical Systems Corp.
    Inventors: Sadayoshi Takami, Kotaro Nakamura, Toshifumi Katsuragi, Gen Kato, Shohei Moriwaki, Shunsuke Matsui
  • Patent number: 12102373
    Abstract: A generator includes first, second, and third inductors and a capacitor. The first inductor is formed by a primary coil of a transformer. The second inductor is formed by a first secondary coil of the transformer. The second inductor is connected between a first contact and a second contact. The first and the second contacts are connected to a surgical instrument. The third inductor is formed by a second secondary coil of the transformer continuously connected to the first secondary coil. The third inductor is connected between the second contact and a third contact. A polarity of the second contact with respect to the third contact coincides with a polarity of the first contact with respect to the second contact of the second inductor. The capacitor is connected between the third contact and ground. An inductance of the third inductor and a capacitance of the capacitor are adjusted.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: October 1, 2024
    Assignee: OLYMPUS CORPORATION
    Inventor: Gen Kato
  • Publication number: 20230200837
    Abstract: A training data generation method includes: obtaining output information related to an electrical characteristic value in an energy treatment tool when ultrasound energy is being applied from the energy treatment tool to a body tissue; obtaining photography data that contains a photograph taken of a state in which the ultrasound energy is being applied to the body tissue; obtaining a label from the photography data; and adding the label to the output information to generate the training data.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 29, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Gen KATO
  • Patent number: 11678902
    Abstract: An energy control device supplies power to an ultrasonic treatment instrument including an end effector performing treatment using ultrasonic vibration generated by an ultrasonic transducer. The energy control device includes an energy source configured to output the power to the ultrasonic transducer, and an integrated circuit. The integrated circuit is configured to: acquire a resonance frequency of a vibration system including the ultrasonic transducer; calculate an initial feature value relating to the resonance frequency after a start of an output of the power; set a threshold based on the initial feature value; and perform causing the energy source to stop or reduce the output of the power to the ultrasonic transducer based on a relationship between the resonance frequency and the threshold, or notifying the relationship between the resonance frequency and the threshold.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: June 20, 2023
    Assignee: OLYMPUS CORPORATION
    Inventors: Minoru Kawasaki, Yoshihiro Tsubuku, Gen Kato
  • Publication number: 20230182172
    Abstract: A method of actuating an ultrasonic drive device includes sweeping, by a first control circuit, a frequency at which an ultrasonic transducer oscillates from a predetermined frequency toward a resonant frequency, predicting, by a prediction circuit, whether or not ringing occurs based on a first parameter representing a driving state of the ultrasonic transducer, and if the prediction circuit predicts that the ringing does not occur and if a second parameter representing a frequency at which the ultrasonic transducer is driven satisfies a predetermined condition, resonantly driving, by a second control circuit, the ultrasonic transducer at a resonant frequency by PLL control.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 15, 2023
    Inventors: Gen Kato, Shunsuke MATSUI, Ko KAWASIMA
  • Patent number: 11583309
    Abstract: In an energy control device, a processor detects, based on a detection result of an electric characteristic value in relation to an electric energy which is output from an energy output source to an ultrasonic transducer, a gradual decrease start time at which the electric characteristic value starts a gradual decrease after a gradual increase. The processor executes, based on a fact that a time rate of change of the electric characteristic value become greater than a predetermined threshold after the gradual decrease start time, at least one of causing the energy output source to stop or reduce the output of the electric energy to the ultrasonic transducer, and notifying that the time rate of change become greater than the predetermined threshold.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: February 21, 2023
    Assignee: OLYMPUS CORPORATION
    Inventors: Yoshihiro Tsubuku, Minoru Kawasaki, Gen Kato
  • Publication number: 20230017988
    Abstract: A treatment instrument includes: a sheath; and an end effector that is provided at a distal end of the sheath. The end effector is capable of gripping a living tissue and applying high frequency energy to the living tissue. The end effector includes a treatment surface, and a pair of electrodes that can grip the living tissue and apply the high frequency energy to the living tissue. The treatment surface includes a distal end area that is provided on a distal end side of the treatment surface, and another area that is provided on a proximal end side of the treatment surface. The distal end area applies, to the living tissue, high frequency energy that is higher than high frequency energy applied by the other area. One of the pair of electrodes includes a distal end portion and a proximal end portion.
    Type: Application
    Filed: September 16, 2022
    Publication date: January 19, 2023
    Applicant: OLYMPUS CORPORATION
    Inventors: Satoshi HONDA, Gen KATO
  • Patent number: 11534197
    Abstract: In an energy control device, a processor detects a gradual decrease start time at which the electric characteristic value in relation to electric energy output to an ultrasonic transducer starts a gradual decrease after a gradual increase. The processor calculates a difference value by subtracting the electric characteristic value from a peak value at gradual decrease start time and calculates an integrated value of the difference value from the gradual decrease start time. The processor executes, based on a fact that the integrated value become greater than a predetermined threshold, at least one of causing to stop or reduce the output of the electric energy to the ultrasonic transducer, and notifying that the integrated value become greater than the predetermined threshold.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: December 27, 2022
    Assignee: OLYMPUS CORPORATION
    Inventors: Yoshihiro Tsubuku, Minoru Kawasaki, Gen Kato
  • Publication number: 20220265303
    Abstract: A medical device and a method of operating the same are provided. In a method of operating a medical device for ultrasonic treatment, the medical device including an ultrasonic instrument having a vibration transmission member that vibrates ultrasonically, a power source configured to supply electric energy to the ultrasonic instrument, and a processor including a control unit operably connected to the power source, the method includes: controlling supply of the electric energy to the ultrasonic instrument, obtaining a temperature value related to a temperature of the vibration transmission member, the vibration transmission member being separate from a transducer, and controlling the power source to reduce or stop the supply of electric energy of the power source based on the rate of change of the temperature value.
    Type: Application
    Filed: December 7, 2021
    Publication date: August 25, 2022
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Sadayoshi TAKAMI, Kotaro NAKAMURA, Toshifumi KATSURAGI, Gen KATO, Shohei MORIWAKI, Shunsuke MATSUI
  • Patent number: 11399859
    Abstract: An energy control device for an ultrasonic treatment tool which includes an ultrasonic transducer and an end effector that performs a treatment using the ultrasonic vibration generated by the ultrasonic transducer comprises a first power supply configured to supply an electric power to the ultrasonic transducer, and a circuit. The circuit is configured to measure an output duration, monitor a characteristic parameter representing a situation of the treatment, set a time threshold value based on the characteristic parameter, and perform, when the output duration exceeds the time threshold value, at least one of: stopping or reducing the output of electric power from the first power supply to the ultrasonic transducer and notifying that the output duration has exceeded the time threshold value.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: August 2, 2022
    Assignee: OLYMPUS CORPORATION
    Inventors: Yoshihiro Tsubuku, Minoru Kawasaki, Gen Kato
  • Publication number: 20200345406
    Abstract: A generator includes first, second, and third inductors and a capacitor. The first inductor is formed by a primary coil of a transformer. The second inductor is formed by a first secondary coil of the transformer. The second inductor is connected between a first contact and a second contact. The first and the second contacts are connected to a surgical instrument. The third inductor is formed by a second secondary coil of the transformer continuously connected to the first secondary coil. The third inductor is connected between the first contact and a third contact. A polarity of the second contact with respect to the third contact coincides with a polarity of the first contact with respect to the second contact of the second inductor. The capacitor is connected between the third contact and ground. An inductance of the third inductor and a capacitance of the capacitor are adjusted.
    Type: Application
    Filed: July 22, 2020
    Publication date: November 5, 2020
    Applicant: OLYMPUS CORPORATION
    Inventor: Gen KATO
  • Publication number: 20190209202
    Abstract: An energy control device for an ultrasonic treatment tool which includes an ultrasonic transducer and an end effector that performs a treatment using the ultrasonic vibration generated by the ultrasonic transducer comprises a first power supply configured to supply an electric power to the ultrasonic transducer, and a circuit. The circuit is configured to measure an output duration, monitor a characteristic parameter representing a situation of the treatment, set a time threshold value based on the characteristic parameter, and perform, when the output duration exceeds the time threshold value, at least one of: stopping or reducing the output of electric power from the first power supply to the ultrasonic transducer and notifying that the output duration has exceeded the time threshold value.
    Type: Application
    Filed: March 12, 2019
    Publication date: July 11, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Yoshihiro TSUBUKU, Minoru KAWASAKI, Gen KATO
  • Publication number: 20190167296
    Abstract: In an energy control device, a processor detects, based on a detection result of an electric characteristic value in relation to an electric energy which is output from an energy output source to an ultrasonic transducer, a gradual decrease start time at which the electric characteristic value starts a gradual decrease after a gradual increase. The processor executes, based on a fact that a time rate of change of the electric characteristic value become greater than a predetermined threshold after the gradual decrease start time, at least one of causing the energy output source to stop or reduce the output of the electric energy to the ultrasonic transducer, and notifying that the time rate of change become greater than the predetermined threshold.
    Type: Application
    Filed: January 25, 2019
    Publication date: June 6, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Yoshihiro TSUBUKU, Minoru KAWASAKI, Gen KATO
  • Publication number: 20190150974
    Abstract: In an energy control device, a processor detects a gradual decrease start time at which the electric characteristic value in relation to electric energy output to an ultrasonic transducer starts a gradual decrease after a gradual increase. The processor calculates a difference value by subtracting the electric characteristic value from a peak value at gradual decrease start time and calculates an integrated value of the difference value from the gradual decrease start time. The processor executes, based on a fact that the integrated value become greater than a predetermined threshold, at least one of causing to stop or reduce the output of the electric energy to the ultrasonic transducer, and notifying that the integrated value become greater than the predetermined threshold.
    Type: Application
    Filed: January 25, 2019
    Publication date: May 23, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Yoshihiro TSUBUKU, Minoru KAWASAKI, Gen KATO
  • Publication number: 20190150975
    Abstract: An energy control device supplies power to an ultrasonic treatment instrument including an end effector performing treatment using ultrasonic vibration generated by an ultrasonic transducer. The energy control device includes an energy source configured to output the power to the ultrasonic transducer, and an integrated circuit. The integrated circuit is configured to: acquire a resonance frequency of a vibration system including the ultrasonic transducer; calculate an initial feature value relating to the resonance frequency after a start of an output of the power; set a threshold based on the initial feature value; and perform causing the energy source to stop or reduce the output of the power to the ultrasonic transducer based on a relationship between the resonance frequency and the threshold, or notifying the relationship between the resonance frequency and the threshold.
    Type: Application
    Filed: January 25, 2019
    Publication date: May 23, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Minoru KAWASAKI, Yoshihiro TSUBUKU, Gen KATO
  • Publication number: 20190150898
    Abstract: An energy control device supplies power to an ultrasonic treatment instrument including an end effector performing treatment using ultrasonic vibration generated by an ultrasonic transducer. The energy control device includes an energy source configured to output the power to the ultrasonic transducer, and at least one integrated circuit. The integrated circuit is configured to: acquire a resonance frequency of a vibration system including the ultrasonic transducer; calculate an integrated value of a difference between the resonance frequency and a predetermined frequency after the acquired resonance frequency has become a first threshold; and perform causing the energy source to stop or reduce an output of the power to the ultrasonic transducer, or notifying that the integrated value has reached the second threshold when the integrated value has reached a second threshold.
    Type: Application
    Filed: January 18, 2019
    Publication date: May 23, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Minoru KAWASAKI, Yoshihiro TSUBUKU, Gen KATO
  • Patent number: 9789141
    Abstract: This invention relates to use of probiotics, particularly P acidilactici and S boulardii, for use in conjunction with steroids and other immune suppressor agents to ameliorate symptoms of autoimmune diseases, especially disease symptoms arising from the body's production of antibodies against autologous blood cells. The practice of the invention sustains ameliorative response associated with immune suppressor agents while lowering the amount of immune suppressor agents required for treatment.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: October 17, 2017
    Assignee: IMAGILIN TECHNOLOGY, LLC
    Inventors: Jhy-Jhu Lin, Gen Kato, Takuo Ishida
  • Patent number: 9777354
    Abstract: A case hardening steel material having a chemical composition consists of, by mass percent, C: 0.15 to 0.23%, Si: 0.01 to 0.15%, Mn: 0.65 to 0.90%, S: 0.010 to 0.030%, Cr: 1.65 to 1.80%, Al: 0.015 to 0.060%, and N: 0.0100 to 0.0250%, further containing, as necessary, one or more kinds selected from Cu and Ni of predetermined amounts, the balance being Fe and impurities; 25?Mn/S?85, 0.90?Cr/(Si+2Mn)?1.20, and 1.16Si+0.70Mn+Cr?2.20; P, Ti and O in the impurities being P?0.020%, Ti?0.005%, and O?0.0015%; and having a structure consisting of 20 to 70% in an area ratio being ferrite; and the portion other than the ferrite being one or more kinds of pearlite and bainite. The steel material is used suitably as a raw material of the carburized part such as a CVT pulley shaft.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: October 3, 2017
    Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, HONDA MOTOR CO., LTD.
    Inventors: Hideki Imataka, Masayuki Horimoto, Gen Kato, Mitsuru Fujimoto
  • Patent number: 9493151
    Abstract: A control apparatus for a hybrid vehicle includes a torque determining device for determining respective divided torques outputted from a first electric motor and a second electric motor on the basis of total torque required for driving of a hybrid vehicle; a torque correcting device for correcting the respective divided torques of the first electric motor and the second electric motor such that pulsation torque of an internal combustion engine on a drive shaft is canceled by the respective divided torques outputted from the first electric motor and the second electric motor and such that the respective divided torques of the first electric motor and the second electric motor are directed opposite to each other with respect to the drive shaft; and a controlling device for controlling each of the first electric motor and the second electric motor so as to output respective one of the corrected divided torques.
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: November 15, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Gen Kato
  • Publication number: 20160243173
    Abstract: This invention relates to use of probiotics, particularly P acidilactici and S boulardii, for use in conjunction with steroids and other immune suppressor agents to ameliorate symptoms of autoimmune diseases, especially disease symptoms arising from the body's production of antibodies against autologous blood cells. The practice of the invention sustains ameliorative response associated with immune suppressor agents while lowering the amount of immune suppressor agents required for treatment.
    Type: Application
    Filed: May 6, 2016
    Publication date: August 25, 2016
    Applicant: IMAGILIN TECHNOLOGY, LLC
    Inventors: Jhy-Jhu LIN, Gen KATO, Takuo ISHIDA