Patents by Inventor Tsutomu Maruyama
Tsutomu Maruyama 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: 20240140732Abstract: A control method by a computer, the control method acquires work information including information on work performed by a robot arm and information on an article as a target of the work; causes the robot arm to perform an operation of lifting up a predetermined unit of articles based on the work information; determines that there is a possibility that a plurality of articles are packaged together based on sensor data obtained when the operation is being performed; and when it is determined that there is a possibility that a plurality of articles are packaged together, settles a handling method for the article according to the sensor data.Type: ApplicationFiled: October 12, 2023Publication date: May 2, 2024Applicant: NEC CorporationInventors: Youko Mori, Tsutomu Maruyama, Tadashi Natsukawa, Masatsugu Ogawa, Masumi Ichien, Terumasa Watanabe
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Publication number: 20240139943Abstract: A control method includes: acquiring article information including a price of an article to be handled by a robot arm; deciding, based on the article information, a handling method of the article to be handled by the robot arm as a handling method in which as the price of the article is higher, damage prevention of the article is more prioritized; and controlling the robot arm that handles the article based on the handling method.Type: ApplicationFiled: October 11, 2023Publication date: May 2, 2024Applicant: NEC CorporationInventors: Youko MORI, Tsutomu Maruyama, Tadashi Natsukawa, Masatsugu Ogawa, Masumi Ichien, Terumasa Watanabe
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Patent number: 11959768Abstract: A guidance control device is configured to control a projection device for projecting images. The guidance control device is configured to generate a subject-identifying image to be projected on a first projection range relating to a first position at which a subject person conducts a predetermined operation and to generate a guide image guiding the predetermined operation for the subject person to be projected on a second projection range relating to a second position viewable by the subject person. Accordingly, the guidance control device is able to control the projection device including the subject-identifying image and the guide image.Type: GrantFiled: March 25, 2019Date of Patent: April 16, 2024Assignee: NEC CORPORATIONInventors: Takanori Fujishima, Yuuzou Miyoshi, Tsutomu Maruyama, Takahiro Okamoto
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Publication number: 20230375459Abstract: Provided is a technology for increasing accuracy of a technology which optically detects characteristics of each of particles contained in fluid and analyzes or isolates the detected particles. Provided is a particle detection device including a light applying unit that applies excitation light to a particle contained in fluid, a light detection unit that detects light emitted by application of the excitation light, and an excitation light detection unit that has an imaging element that detects the excitation light applied to the particle. The light applying unit of the particle detection device according to the present technology may be configured to apply multiple rays of excitation light having different wavelengths from different positions in a flow direction of the fluid. In this case, the excitation light detection unit can detect position information associated with the multiple rays of excitation light.Type: ApplicationFiled: October 15, 2021Publication date: November 23, 2023Applicant: Sony Group CorporationInventors: Gakuji Hashimoto, Mitsunori Ueda, Tsutomu Maruyama, Isao Hidaka
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Publication number: 20220247962Abstract: To enable multicolor analysis while suppressing upsizing. An optical measurement device according to an embodiment includes: a spectral optical system (37) that disperses fluorescence emitted from a biological specimen; and an image sensor (34) that receives the fluorescence dispersed by the spectral optical system and generates fluorescence information. The image sensor is divided into a plurality of regions that receive different wavelength components of the fluorescence and generate fluorescence information for each of the wavelength components.Type: ApplicationFiled: June 16, 2020Publication date: August 4, 2022Inventors: TSUTOMU MARUYAMA, MASAAKI HARA
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Publication number: 20220244164Abstract: Detection omission is reduced. An optical measuring device according to an embodiment includes: a plurality of excitation light sources (32A to 32D) that irradiates a plurality of positions on a flow path through which a specimen flows with excitation rays having different wavelengths; and a solid-state imaging device (34) that receives a plurality of fluorescent rays emitted from the specimen passing through each of the plurality of positions, in which the solid-state imaging device includes: a pixel array unit (91) in which a plurality of pixels is arrayed in a matrix; and a plurality of first detection circuits (93) connected to a plurality of pixels not adjacent to each other in the same column of the pixel array unit, respectively.Type: ApplicationFiled: May 11, 2020Publication date: August 4, 2022Inventors: TOSHIYUKI NISHIHARA, MASAAKI HARA, TSUTOMU MARUYAMA, NOBUHIRO HAYASHI
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Publication number: 20210025731Abstract: A guidance control device is configured to control a projection device for projecting images. The guidance control device is configured to generate a subject-identifying image to be projected on a first projection range relating to a first position at which a subject person conducts a predetermined operation and to generate a guide image guiding the predetermined operation for the subject person to be projected on a second projection range relating to a second position viewable by the subject person. Accordingly, the guidance control device is able to control the projection device including the subject-identifying image and the guide image.Type: ApplicationFiled: March 25, 2019Publication date: January 28, 2021Applicant: NEC CorporationInventors: Takanori FUJISHIMA, Yuuzou MIYOSHI, Tsutomu MARUYAMA, Takahiro OKAMOTO
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Patent number: 9254762Abstract: A seat structure for a vehicle of the present invention comprises a seat cushion frame, slide mechanisms including a pair of guide rails provided at a vehicle floor and a pair of sliders, a pair of connecting members connecting the pair of sliders and the seat cushion frame, a connection position of the connecting members and the seat cushion frame being located inward in a seat width direction relative to a connection position of the connecting members and the sliders, and a coupling member coupling the pair of connecting members in a vehicle width direction so as to restrain the pair of connecting members from moving inward in the seat width direction in a rear-end collision of the vehicle.Type: GrantFiled: February 27, 2014Date of Patent: February 9, 2016Assignee: Mazda Motor CorporationInventors: Takashi Suzuki, Kouichi Nakaya, Shin Sakai, Katsunori Monden, Tsutomu Maruyama, Hirotaka Matsumura, Yoshitaka Tanaka
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Publication number: 20150241681Abstract: There is provided a laser scanning microscope system including a laser output unit configured to output a laser beam in a pulse light emission manner at a predetermined oscillation frequency, an intermittent light-emission unit configured to intermittently emit the laser beam output from the laser output unit at a predetermined intermittent light-emission period, a detector configured to convert fluorescence emitted from a fluorescent substance excited at a time of reception of the intermittently emitted laser beam into an electric signal, and a sampling unit configured to sample the electric signal at a period corresponding to the intermittent light-emission period.Type: ApplicationFiled: February 19, 2015Publication date: August 27, 2015Applicant: Sony CorporationInventors: Masaaki Hara, Goro Fujita, Tsutomu Maruyama
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Publication number: 20150131425Abstract: Provided is a recording apparatus including a self-excited oscillation semiconductor laser that has a double quantum well separate confinement heterostructure and includes a saturable absorber section to which a negative bias voltage is applied and a gain section into which a gain current is injected, an optical separation unit, an objective lens, a light reception element, a pulse detection unit, a reference signal generation unit, a phase comparison unit, a recording signal generation unit, and a control unit.Type: ApplicationFiled: July 10, 2012Publication date: May 14, 2015Applicant: SONY CORPORATIONInventors: Goro Fujita, Tsutomu Maruyama, Masaru Kuramoto, Hideki Watanabe
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Patent number: 8934324Abstract: There is provided a light source including a mode-lock laser unit that includes a semiconductor laser and an external resonator unit and emits a laser beam having a predetermined frequency, the semiconductor laser including a saturable absorber unit that applies a reverse bias voltage and a gain unit that applies a gain current, a semiconductor optical amplifier that performs amplification modulation on the laser beam emitted from the mode-lock laser unit, a laser clock generating unit that generates a laser clock synchronized with the laser beam based on a signal detected from the saturable absorber unit when the laser beam oscillates in the mode-lock laser unit, and a modulating unit that generates a driving current synchronized with the laser clock and applies the driving current to the semiconductor optical amplifier.Type: GrantFiled: February 22, 2013Date of Patent: January 13, 2015Assignee: Sony CorporationInventors: Tsutomu Maruyama, Goro Fujita
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Patent number: 8902942Abstract: A laser apparatus and bio-imaging apparatus are provided, which include: a mode-lock laser unit including a saturable absorber section that applies a bias voltage, a gain section that feeds a gain current, a semiconductor laser that emits laser light, and an external resonator; an optical modulation unit performing amplification modulation on the laser light emitted from the mode-lock laser unit; a reference signal generation unit generating a master clock signal and supplying a signal synchronized with the master clock signal to the gain section of the semiconductor laser; and a driving circuit generating a driving pulse used to drive the optical modulation unit based on the reference signal.Type: GrantFiled: September 12, 2013Date of Patent: December 2, 2014Assignee: Sony CorporationInventors: Goro Fujita, Tsutomu Maruyama, Junichi Horigome
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Publication number: 20140265470Abstract: A seat structure for a vehicle of the present invention comprises a seat cushion frame, slide mechanisms including a pair of guide rails provided at a vehicle floor and a pair of sliders, a pair of connecting members connecting the pair of sliders and the seat cushion frame, a connection position of the connecting members and the seat cushion frame being located inward in a seat width direction relative to a connection position of the connecting members and the sliders, and a coupling member coupling the pair of connecting members in a vehicle width direction so as to restrain the pair of connecting members from moving inward in the seat width direction in a rear-end collision of the vehicle.Type: ApplicationFiled: February 27, 2014Publication date: September 18, 2014Applicant: MAZDA MOTOR CORPORATIONInventors: Takashi SUZUKI, Kouichi NAKAYA, Shin SAKAI, Katsunori MONDEN, Tsutomu MARUYAMA, Hirotaka MATSUMURA, Yoshitaka TANAKA
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Publication number: 20140010059Abstract: A recording apparatus, which records information in an optical recording medium, includes: a mode-lock laser unit including a saturable absorber section that applies a bias voltage, a gain section that feeds a gain current, a semiconductor laser that emits laser light used to record the information on the optical recording medium, and an external resonator; an optical modulation unit performing amplification modulation on the laser light emitted from the mode-lock laser unit; a reference signal generation unit generating a master clock signal and supplying a signal synchronized with the master clock signal to the gain section of the semiconductor laser; a recording signal generation unit generating a recoding signal based on the master clock signal; and a driving circuit generating a driving pulse used to drive the optical modulation unit based on the recording signal.Type: ApplicationFiled: September 12, 2013Publication date: January 9, 2014Applicant: Sony CorporationInventors: Goro Fujita, Tsutomu Maruyama, Junichi Horigome
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Patent number: 8537647Abstract: A recording apparatus, which records information in an optical recording medium, includes: a mode-lock laser unit including a saturable absorber section that applies a bias voltage, a gain section that feeds a gain current, a semiconductor laser that emits laser light used to record the information on the optical recording medium, and an external resonator; an optical modulation unit performing amplification modulation on the laser light emitted from the mode-lock laser unit; a reference signal generation unit generating a master clock signal and supplying a signal synchronized with the master clock signal to the gain section of the semiconductor laser; a recording signal generation unit generating a recoding signal based on the master clock signal; and a driving circuit generating a driving pulse used to drive the optical modulation unit based on the recording signal.Type: GrantFiled: August 5, 2011Date of Patent: September 17, 2013Assignee: Sony CorporationInventors: Goro Fujita, Tsutomu Maruyama, Junichi Horigome
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Publication number: 20130235710Abstract: There is provided a light source including a mode-lock laser unit that includes a semiconductor laser and an external resonator unit and emits a laser beam having a predetermined frequency, the semiconductor laser including a saturable absorber unit that applies a reverse bias voltage and a gain unit that applies a gain current, a semiconductor optical amplifier that performs amplification modulation on the laser beam emitted from the mode-lock laser unit, a laser clock generating unit that generates a laser clock synchronized with the laser beam based on a signal detected from the saturable absorber unit when the laser beam oscillates in the mode-lock laser unit, and a modulating unit that generates a driving current synchronized with the laser clock and applies the driving current to the semiconductor optical amplifier.Type: ApplicationFiled: February 22, 2013Publication date: September 12, 2013Applicant: SONY CORPORATIONInventors: Tsutomu Maruyama, Goro Fujita
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Patent number: 8462599Abstract: Provided is a recording apparatus including a self-excited oscillation semiconductor laser that has a double quantum well separate confinement heterostructure and includes a saturable absorber section to which a negative bias voltage is applied and a gain section into which a gain current is injected, an optical separation unit, an objective lens, a light reception element, a pulse detection unit, a reference signal generation unit, a phase comparison unit, a recording signal generation unit, and a control unit.Type: GrantFiled: July 3, 2012Date of Patent: June 11, 2013Assignee: Sony CorporationInventors: Goro Fujita, Tsutomu Maruyama
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Patent number: 8416671Abstract: A recording apparatus for recording information on an optical recording medium includes a mode-locked laser unit that includes a semiconductor laser emitting a laser beam for recording the information on the optical recording medium, and an external resonator, an optical modulation unit that amplifies and modulates the laser beam emitted from the mode-locked laser unit, a recording signal generation unit that generates a recording signal based on a reference signal from a drive of the optical recording medium, and a modulation unit that generates a modulation signal for driving the optical modulation unit by latching the recording signal using a laser clock generated by an oscillation pulse of the laser beam emitted from the mode-locked laser unit.Type: GrantFiled: September 6, 2011Date of Patent: April 9, 2013Assignee: Sony CorporationInventors: Goro Fujita, Tsutomu Maruyama
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Patent number: 8406261Abstract: A laser driving device includes: a pulse signal generating unit that, after a voltage has risen from a predetermined reference voltage to a predetermined output voltage and a time of a sum of an oscillation period of relaxation oscillation and a light emission start time in a predetermined laser diode has nearly elapsed, generates a pulse signal having a waveform that falls divisionally in two or more stages from the output voltage to the reference voltage; and an output unit that generates a laser drive signal by performing signal processing on the pulse signal and outputs the signal to the laser diode.Type: GrantFiled: June 2, 2010Date of Patent: March 26, 2013Assignee: Sony CorporationInventors: Goro Fujita, Tsutomu Maruyama, Seiji Kobayashi
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Publication number: 20130021891Abstract: Provided is a recording apparatus including a self-excited oscillation semiconductor laser that has a double quantum well separate confinement heterostructure and includes a saturable absorber section to which a negative bias voltage is applied and a gain section into which a gain current is injected, an optical separation unit, an objective lens, a light reception element, a pulse detection unit, a reference signal generation unit, a phase comparison unit, a recording signal generation unit, and a control unit.Type: ApplicationFiled: July 10, 2012Publication date: January 24, 2013Applicant: SONY CORPORATIONInventors: Goro Fujita, Tsutomu Maruyama, Masaru Kuramoto, Hideki Watanabe