Patents by Inventor Takashi Masuda

Takashi Masuda 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: 12006096
    Abstract: The present disclosure provides a ?-diketone storage container including: a metal storage container to which a liquid ?-diketone is charged, the metal being an aluminum material; and an inorganic film on an inner surface of the storage container, the inorganic film containing at least one material selected from the group consisting of silicon dioxide, silicon carbonitride, silicon carbide, silicon nitride, diamond, and diamond-like carbon.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: June 11, 2024
    Inventors: Kenta Watanabe, Takashi Masuda, Kazuki Tanaka
  • Patent number: 11996675
    Abstract: A laser drive circuit is provided which includes: a first drive current unit (240) configured to adjust, by a first MOSFET (MN2) and a second MOSFET (MN3) being connected in series, an inflow of a current to a light-emitting element (LD11) that emits light in accordance with a current amount when the light-emitting element emits light and when the light-emitting element is extinguished; a voltage drop unit (MN4) configured to cause a gate-source voltage of the first MOSFET to drop when the light-emitting element is extinguished; and a timing generating unit (220) configured to generate a signal for controlling driving of the first drive current unit and the voltage drop unit.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: May 28, 2024
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Mitsushi Tabata, Takashi Masuda, Takeshi Yuwaki, Toshiyuki Kitazawa
  • Publication number: 20240146290
    Abstract: A light source drive circuit according to an embodiment includes: a first delay circuit (10) that gives, based on a clock signal, a delay to an input signal with first time resolution and a second delay circuit (20) that is connected in series to the first delay circuit, gives, based on the clock signal, a delay to an input signal with a second time resolution having accuracy different from accuracy of the first time resolution, and outputs the signal as a signal for driving a light source.
    Type: Application
    Filed: March 2, 2022
    Publication date: May 2, 2024
    Inventors: TAKASHI MASUDA, DAISUKE SUZUKI, MITSUSHI TABATA, KOICHI OKAMOTO, KOUTA HIYAMA
  • Publication number: 20240128282
    Abstract: A semiconductor device (10) according to one aspect of the present disclosure includes: a driving section (40) that drives an object to be driven; an abnormality detecting circuit (30), which is one example of an instruction circuit that outputs an instruction signal to the driving section (40); and a light amount detecting section (20) that detects an amount of incident light and invalidates the instruction signal output from the abnormality detecting circuit (30) in accordance with the amount of incident light.
    Type: Application
    Filed: February 16, 2022
    Publication date: April 18, 2024
    Inventors: Koichi Okamoto, Hideaki Mogi, Takashi Masuda, Shinichirou Saeki, Mitsushi Tabata
  • Patent number: 11922610
    Abstract: A multi-eye camera system includes multi-eye photographing camera heads 2 and image processing device 3 to which a plurality of the multi-eye photographing camera heads 2 are connected. Each of the multi-eye photographing camera heads 2 is provided with partial image acquiring part 24, parameter memory part 23 and image correcting part 26. Image processing device 3 is provided with input processing part 31, resizing processing part 32 and whole image memory 33.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: March 5, 2024
    Assignee: KAMUY Innovation Corporation
    Inventors: Takashi Masuda, Katsuji Matsuura
  • Publication number: 20240072781
    Abstract: A delay adjustment circuit according to an embodiment includes: a plurality of delay adjustment units connected in series, each of the plurality of delay adjustment units including one or more first delay elements (102) connected in series that delay an input signal on the basis of a clock, and a first selector (120) that outputs one of the input signal and an output of the first delay element at a last stage among the one or more first delay elements; and an output unit (103, 104, 130a, 130b, 140) that outputs a clock according to an output of the first selector included in a delay adjustment unit at a last stage among the plurality of delay adjustment units, in which each of the plurality of delay adjustment units includes a different number of the first delay elements.
    Type: Application
    Filed: March 2, 2022
    Publication date: February 29, 2024
    Inventors: MITSUSHI TABATA, TAKASHI MASUDA, DAISUKE SUZUKI
  • Patent number: 11793481
    Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes processing circuitry. The processing circuitry is configured to acquire a current position information of an ultrasonic probe in three-dimensional space. The processing circuitry is further configured to switch from a body mark indicating one body part to a body mark indicating the other body part, when a body mark indicating one body part of a pair of left and right body parts is displayed, and when the ultrasonic probe is positioned at a position farther than a predetermined distance from a midpoint of the pair of left and right body parts toward the other body part.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: October 24, 2023
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Nobuhide Ooi, Takashi Masuda, Asuka Ozawa
  • Publication number: 20230336323
    Abstract: Provided is a transmission/reception system that can implement miniaturization and a reduced number of wires for transmitting a signal between a sensor device and a reception device. The sensor device includes a data transmitting unit configured to transmit imaging data synchronized with a first clock signal to the reception device through a first signal transmission path, a clock signal transmitting unit configured to transmit a second clock signal with a lower frequency than the first clock signal to the reception device through a second signal transmission path, and a control signal communicating unit configured to communicate a control signal necessary for control of the first clock signal with the reception device through the second signal transmission path.
    Type: Application
    Filed: July 16, 2021
    Publication date: October 19, 2023
    Inventors: RYOTA SHINODA, TAKASHI MASUDA, KUMIKO MAHARA
  • Publication number: 20230238771
    Abstract: Provided is an electronic device capable of reducing the possibility of malfunction. An electronic device is provided with: a first substrate including a drive circuit; a second substrate including a light-emitting unit driven by the drive circuit and mounted on one surface side of the first substrate; and a light-shielding unit provided on the first substrate and configured to shield at least a part of the drive circuit from light emitted by the light-emitting unit.
    Type: Application
    Filed: April 14, 2021
    Publication date: July 27, 2023
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Daisuke SUZUKI, Takashi MASUDA, Shinichirou SAEKI, Koichi OKAMOTO, Motoi KIMURA, Yuichi HAMAGUCHI, Noriyuki BANNO, Mitsunari HOSHI, Akinori TAKAYAMA, Soichi OCHIAI, Shinichiro KUSUNOKI, Makoto AKETO, Hideki NODA, Takashi SAKOH
  • Patent number: 11711110
    Abstract: A communication system includes: a transmission device including a transmission data generator, a pattern generator, a transmitter, and a control signal receiver, the transmission data generator that is configured to generate transmission data, the pattern generator that is configured to generate an alternate pattern alternating at every lapse of a predetermined time, the transmitter that includes a first equalization circuit and is configured to transmit a transmission signal including the transmission data and the alternate pattern, the first equalization circuit that is configured to adjust equalization characteristics on the basis of first instruction information, and the control signal receiver that is configured to receive the first instruction information; and a reception device including a receiver, a first detector, and a control signal transmitter, the receiver that is configured to receive the transmission signal, the first detector that is configured to detect a frequency component corresponding t
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: July 25, 2023
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Takashi Masuda, Kentaro Yasunaka
  • Publication number: 20230217102
    Abstract: An object of the present disclosure is to provide a transmission device, a reception device, and a transmission-reception system capable of achieving downsizing and communication at a high frame rate. A transmission device includes a control signal reception unit that receives a control signal input from an external device and including predetermined information, and a control unit that controls switching between first communication and second communication on a basis of switching information, the switching information being included in the predetermined information as necessary, the switching information indicating switching between the first communication in which host communication is executed in a blanking period among one frame period and the second communication in which host communication is executed in a blanking period and a data output period among one frame period.
    Type: Application
    Filed: April 23, 2021
    Publication date: July 6, 2023
    Inventors: KUMIKO MAHARA, TAKASHI MASUDA, RYOTA SHINODA
  • Patent number: 11672059
    Abstract: A light source device that includes a first resistor that is connected to a given potential, a light emitting element that is connected in series to the first resistor, a second resistor that is connected to the given potential, and a first current source that is connected in series to the second resistor and that is configured to supply a freely-selected current within a given range are included. A first voltage is taken out from a first connection part where the first resistor and the light emitting element are connected to each other and a second voltage is taken out from a second connection part where the second resistor and the first current source are connected to each other.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: June 6, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Takashi Masuda, Mitsushi Tabata, Koichi Okamoto, Yasuo Oba
  • Publication number: 20220291342
    Abstract: Proposed is a ranging system capable of improving the accuracy of ranging. A ranging system (70) includes: a drive unit (24) that causes a light emitting element to emit light and outputs a drive signal for irradiating a target with light; a sensor unit (302) that detects reflected light from the target; a measurement unit (23) that measures a delay time that is included in a time from timing at which a trigger signal for causing the light emitting element to emit light is output to timing at which the light emitting element actually emits light; and a ranging observation unit (52) which is a processing unit that performs a process of calculating a distance to the target on the basis of output timing of the trigger signal, light receiving timing of the reflected light obtained by the sensor unit, and the delay time.
    Type: Application
    Filed: August 27, 2020
    Publication date: September 15, 2022
    Inventors: Daisuke Suzuki, Takashi Masuda, Mitsushi Tabata, Kouta Hiyama, Koichi Okamoto, Akihiko Miyanohara
  • Publication number: 20220276381
    Abstract: The laser drive device (41) includes: a drive circuit (43) that drives a light emitting element (40) by a vertical cavity surface emitting laser to emit light on the basis of a drive control signal; an assist circuit (42) that short-circuits both ends of the light emitting element on the basis of an assist control signal to speed up a fall time of the light emitting element; a timing adjustment unit (20) that performs mutual timing adjustment between the drive control signal and the assist control signal on the basis of a timing adjustment signal; a phase detection unit (33) that detects a phase difference between the drive control signal and the assist control signal; and a timing control unit (34) that generates the timing adjustment signal on the basis of a phase difference detection result of the phase detection unit.
    Type: Application
    Filed: June 12, 2020
    Publication date: September 1, 2022
    Inventors: TAKASHI MASUDA, MITSUSHI TABATA, KOICHI OKAMOTO
  • Patent number: 11431469
    Abstract: An objective of the present technology is to provide a transmission device, a reception device, and a transceiver system of which miniaturization can be achieved. The transmission device includes an oscillator configured to oscillate a first clock signal; and a register signal reception unit configured to receive a register signal transmitted from a reception device and used for controlling the first clock signal. The reception device includes a signal generation unit configured to generate a register signal for controlling a first clock signal transmitted from the transmission device based on a comparison result obtained by comparing a reference clock signal with one of the first clock signal and a second clock signal which is based on the first clock signal; and a register signal transmission unit configured to transmit the register signal generated by the signal generation unit to the transmission device.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: August 30, 2022
    Assignee: Sony Semiconductor Solutions Corporation
    Inventor: Takashi Masuda
  • Publication number: 20220271502
    Abstract: By eliminating the need to use a high-precision clock in pulse width detection for pulse width adjustment in a case where light-emitting elements as vertical-cavity surface-emitting lasers are pulse-driven, circuit configuration is simplified and cost is reduced. A laser drive apparatus according to the present technology includes a drive circuit unit that drives light-emitting elements as vertical-cavity surface-emitting lasers to emit light on the basis of a pulse signal, a pulse width detection unit that detects the pulse width of the pulse signal on the basis of the potential of a capacitor when the capacitor is charged on the basis of the pulse signal, and a control unit that performs control so that the pulse width is adjusted on the basis of a detection result of the pulse width.
    Type: Application
    Filed: May 24, 2020
    Publication date: August 25, 2022
    Inventors: TAKASHI MASUDA, MITSUSHI TABATA, KOICHI OKAMOTO
  • Publication number: 20220268900
    Abstract: Ranging systems with increased accuracy without increased mounting area are disclosed. In one example, a ranging system includes a drive unit, a sensor, a measurement unit and a ranging observation unit. The drive unit outputs a drive signal to cause a light emitting element to emit light to irradiate an object according to a trigger signal. The detects reflection light from the object. The measurement unit measures a delay time between the trigger signal and a timing at which the light emitting element actually emits light. The ranging observation unit calculates the distance to the object based on the timing of the trigger signal, a light receiving timing of the reflection light, and the delay time. The measurement unit charges a capacitor during a period between the trigger signal and the drive signal, and acquires the delay time according to a charging voltage of the capacitor.
    Type: Application
    Filed: September 17, 2020
    Publication date: August 25, 2022
    Inventor: Takashi Masuda
  • Publication number: 20220227531
    Abstract: The present disclosure provides a ?-diketone storage container including: a metal storage container to which a liquid ?-diketone is charged, the metal being an aluminum material; and an inorganic film on an inner surface of the storage container, the inorganic film containing at least one material selected from the group consisting of silicon dioxide, silicon carbonitride, silicon carbide, silicon nitride, diamond, and diamond-like carbon.
    Type: Application
    Filed: April 22, 2020
    Publication date: July 21, 2022
    Inventors: Kenta WATANABE, Takashi MASUDA, Kazuki TANAKA
  • Patent number: 11335573
    Abstract: Disclosed is a dry etching method for etching a metal film on a substrate with an etching gas containing a ?-diketone and an additive gas, wherein the metal film contains a metal element capable of forming a complex with the ?-diketone; and wherein the amount of water contained in the etching gas is 30 mass ppm or less relative to the amount of the ?-diketone. It is preferable that the ?-diketone used for the dry etching method is supplied from a ?-diketone filled container, wherein the ?-diketone filled container has a sealed container body filled with a ?-diketone whose water content is 15 mass ppm or less relative to the ?-diketone. This etching method enables etching of the metal film while suppressing etching rate variations from the initial stage to the later stage of use of the filled container.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: May 17, 2022
    Assignee: Cental Glass Company, Limited
    Inventors: Kunihiro Yamauchi, Takashi Masuda, Akifumi Yao
  • Publication number: 20220104322
    Abstract: A light source device according to an embodiment includes: a first resistor (101) that is connected to a given potential; a light emitting element (12) that is connected in series to the first resistor; a second resistor (102) that is connected to the given potential; and a first current source (104) that is connected in series to the second resistor and that is configured to supply a freely-selected current within a given range are included. A first voltage is taken out from a first connection part where the first resistor and the light emitting element are connected to each other and a second voltage is taken out from a second connection part where the second resistor and the first current source are connected to each other.
    Type: Application
    Filed: January 16, 2020
    Publication date: March 31, 2022
    Inventors: TAKASHI MASUDA, MITSUSHI TABATA, KOICHI OKAMOTO, YASUO OBA