Patents by Inventor Yoshitaka Onishi
Yoshitaka Onishi 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: 20240107211Abstract: A loudspeaker system includes: a loudspeaker; a loudspeaker box provided inside a seat, and in which the loudspeaker is provided; and an actuator. The actuator is provided inside the loudspeaker box to cause a baffle panel of the loudspeaker box to generate vibration.Type: ApplicationFiled: September 22, 2023Publication date: March 28, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Fumiyasu KONNO, Masahide ONISHI, Yoshitaka KAWASHIMA
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Publication number: 20240107234Abstract: A signal processing device for reproducing a musical piece from one or more loudspeakers and one or more actuators that are provided in a seat includes: an obtainer that obtains data of a plurality of tracks that constitute the musical piece; and an outputter that outputs an acoustic signal included in data of a track among data of the plurality of tracks to the one or more actuators, and outputs an acoustic signal included in data of another track among the plurality of tracks to any loudspeaker among the one or more loudspeakers.Type: ApplicationFiled: September 21, 2023Publication date: March 28, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Fumiyasu KONNO, Masahide ONISHI, Yoshitaka KAWASHIMA
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Publication number: 20240107233Abstract: A signal processing device for reproducing a musical piece from one or more loudspeakers and one or more actuators that are provided in a seat includes: an obtainer that obtains data of the musical piece; and an outputter that outputs an acoustic signal of a first frequency band included in the data of the musical piece to the one or more actuators, and outputs an acoustic signal of a frequency band excluding the first frequency band to the one or more loudspeakers, the frequency band being included in the data of the musical piece. The first frequency band is a band including a resonance frequency of the one or more actuators.Type: ApplicationFiled: September 15, 2023Publication date: March 28, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Fumiyasu KONNO, Masahide ONISHI, Yoshitaka KAWASHIMA
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Patent number: 11361482Abstract: A triangle element division method includes acquiring position information of a plurality of feature points positioned on a border of a two-dimensional planar figure, segmenting a virtual plane including the two-dimensional planar figure into a plurality of quadrangular cells, disposing additional points at positions where edges as line segments connecting two adjacent feature points on the border of the two-dimensional planar figure and borders of the plurality of cells cross, and vertices of the plurality of cells, for each of the plurality of cells, generating a plurality of triangle elements with the feature points and the additional points in the cell as vertices such that conditions that a region in the cell is filled with a plurality of the triangle elements and the triangle elements do not overlap each other are satisfied, and removing the triangle elements positioned outside the two-dimensional planar figure.Type: GrantFiled: October 23, 2020Date of Patent: June 14, 2022Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Yoshitaka Onishi, Ryota Hirose, Nariaki Matsumiya
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Publication number: 20210125385Abstract: A triangle element division method includes acquiring position information of a plurality of feature points positioned on a border of a two-dimensional planar figure, segmenting a virtual plane including the two-dimensional planar figure into a plurality of quadrangular cells, disposing additional points at positions where edges as line segments connecting two adjacent feature points on the border of the two-dimensional planar figure and borders of the plurality of cells cross, and vertices of the plurality of cells, for each of the plurality of cells, generating a plurality of triangle elements with the feature points and the additional points in the cell as vertices such that conditions that a region in the cell is filled with a plurality of the triangle elements and the triangle elements do not overlap each other are satisfied, and removing the triangle elements positioned outside the two-dimensional planar figure.Type: ApplicationFiled: October 23, 2020Publication date: April 29, 2021Inventors: Yoshitaka Onishi, Ryota Hirose, Nariaki Matsumiya
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Patent number: 10286795Abstract: A charging device for an electric vehicle includes a wireless power receiving device which receives high-frequency AC power in a non-contact state, a wired power receiving device connected to an external power source for low-frequency AC power, a rectifier which rectifies AC power, an electric power converter which is positioned at a rear part of the rectifier, and an power receiving device switching switch which switches electric power in such a way that any of electric power of both electric power receiving devices is outputted to the rectifier. A high-frequency filter, which removes a high-frequency component, is provided between the rectifier and the electric power converter.Type: GrantFiled: January 13, 2015Date of Patent: May 14, 2019Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Sadayuki Matsumoto, Takuya Yabumoto, Takayoshi Nagai, Yoshitaka Onishi
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Publication number: 20170072807Abstract: A charging device for an electric vehicle includes a wireless power receiving device which receives high-frequency AC power in a non-contact state, a wired power receiving device connected to an external power source for low-frequency AC power, a rectifier which rectifies AC power, an electric power converter which is positioned at a rear part of the rectifier, and an power receiving device switching switch which switches electric power in such a way that any of electric power of both electric power receiving devices is outputted to the rectifier. A high-frequency filter, which removes a high-frequency component, is provided between the rectifier and the electric power converter.Type: ApplicationFiled: January 13, 2015Publication date: March 16, 2017Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Sadayuki MATSUMOTO, Takuya YABUMOTO, Takayoshi NAGAI, Yoshitaka ONISHI
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Patent number: 9455652Abstract: If a bus current a bus current detector 11 detects exceeds a current cutoff value, an overcurrent detector 12 supplies a gate driver 14 with an open signal for turning off switching elements 5-10 to break the current to a motor 1. Besides, when the overcurrent detector 12 detects an overcurrent, a feedback controller 15 provides the gate driver 14 with a short-circuit braking instruction to apply short-circuit braking after breaking the power supply, and to restart PWM control from a state in which the short-circuit braking is being applied and the duty ratio command value is reset at 0.Type: GrantFiled: January 31, 2013Date of Patent: September 27, 2016Assignee: Mitsubishi Electric CorporationInventors: Tomohiro Ueno, Yoshitaka Onishi, Satoshi Kawamura, Shinsuke Takeshima
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Patent number: 9433075Abstract: An electric power semiconductor device includes a heat transfer plate. A printed wire board is spaced a predetermined gap apart from the heat transfer plate. An opening portion is provided in the vicinity of an electrode strip formed on the outer side of the printed wire board. An electric power semiconductor element is disposed between the heat transfer plate and the printed wire board, and adhered to the heat transfer plate. A wiring member has one end bonded to a first bonding portion of a main power electrode of the electric power semiconductor element, and the other end is bonded to a second bonding portion. At least part of the second bonding portion is included in a space that extends from the main power electrode to the printed wire board, and the first bonding portion is included in a space that extends from the opening portion.Type: GrantFiled: August 9, 2013Date of Patent: August 30, 2016Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Junji Fujino, Yutaka Yoneda, Yoshitaka Onishi, Masafumi Sugawara
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Publication number: 20150303839Abstract: If a bus current a bus current detector 11 detects exceeds a current cutoff value, an overcurrent detector 12 supplies a gate driver 14 with an open signal for turning off switching elements 5-10 to break the current to a motor 1. Besides, when the overcurrent detector 12 detects an overcurrent, a feedback controller 15 provides the gate driver 14 with a short-circuit braking instruction to apply short-circuit braking after breaking the power supply, and to restart PWM control from a state in which the short-circuit braking is being applied and the duty ratio command value is reset at 0.Type: ApplicationFiled: January 31, 2013Publication date: October 22, 2015Applicant: Mitsubishi Electric CorporationInventors: Tomohiro UENO, Yoshitaka ONISHI, Satoshi KAWAMURA, Shinsuke TAKESHIMA
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Publication number: 20150223316Abstract: An electric power semiconductor device includes a heat transfer plate. A printed wire board is spaced a predetermined gap apart from the heat transfer plate. An opening portion is provided in the vicinity of an electrode strip formed on the outer side of the printed wire board. An electric power semiconductor element is disposed between the heat transfer plate and the printed wire board, and adhered to the heat transfer plate. A wiring member has one end bonded to a first bonding portion of a main power electrode of the electric power semiconductor element, and the other end is bonded to a second bonding portion. At least part of the second bonding portion is included in a space that extends from the main power electrode to the printed wire board, and the first bonding portion is included in a space that extends from the opening portion.Type: ApplicationFiled: August 9, 2013Publication date: August 6, 2015Inventors: Junji Fujino, Yutaka Yoneda, Yoshitaka Onishi, Masafumi Sugawara
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Patent number: 8395345Abstract: In opening/closing control for the valve mechanism to which the return torque is applied in an opening direction or a closing direction of the valve, provided are a position control system for outputting a q-axis current command based on a position deviation between a target position command directed to the brushless DC motor and the coarse present position of the motor obtained by using the position detection sensor of a pulse output type, and a current control system in which a virtual current feedback is built for outputting a phase voltage command without a current sensor based on the q-axis current command and the coarse present position of the motor obtained by using the position detection sensor of the pulse output type.Type: GrantFiled: January 12, 2010Date of Patent: March 12, 2013Assignee: Mitsubishi Electric CorporationInventors: Naoki Imamura, Masahiro Iezawa, Satoshi Kawamura, Yoshitaka Onishi
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Patent number: 8395337Abstract: A brushless motor device switches between a 120-degree energization method and a 180-degree energization method of advancing an electrical angle by 30 degrees to drive a brushless motor 1 according to the result of a comparison between the rotational speed of the brushless motor 1 and a predetermined threshold.Type: GrantFiled: February 27, 2009Date of Patent: March 12, 2013Assignee: Mitsubishi Electric CorporationInventors: Yoshitaka Onishi, Satoshi Kawamura, Tomohiro Ueno
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Publication number: 20130047872Abstract: There is provided a disc drive device including a recording and playback unit that performs recording or playback of an information signal on a disc-shaped recording medium having a printing surface and a recording surface; a printing head that performs printing on the printing surface of the disc-shaped recording medium; a roller that is separated from or comes into contact with an outer circumferential surface of the disc-shaped recording medium and rotates the disc-shaped recording medium by being rotated while in contact with the outer circumferential surface; a spring member that biases the roller in an axial direction of the roller; and a position restricting member that has a restricting section against which the roller biased by the spring member is pressed and performs the positioning of the roller in the axial direction.Type: ApplicationFiled: August 23, 2012Publication date: February 28, 2013Inventors: Yoshitaka ONISHI, MASAKAZU SONE
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Patent number: 8256593Abstract: A driving force transmitting devices is able to engage a main clutch with a small amount of hydraulic pressure. The driving force transmitting device includes an input shaft and an output shaft, and a main clutch. The device is formed of a primary clutch that intermittently transmits the driving force transmitted from the input shaft, a hydraulic pump that generates a hydraulic pressure, a piston that presses the primary clutch with the hydraulic pressure by the hydraulic pump, and a cam mechanism that presses the main clutch with a press-contact force which is amplified to be larger than the press-contact force of the piston by utilizing the driving force from the input shaft through the primary clutch, so as to engage the main clutch.Type: GrantFiled: March 21, 2008Date of Patent: September 4, 2012Assignee: Univance CorporationInventors: Tadahiko Kato, Tatsuya Suzuki, Akira Nakabayashi, Yosuke Masuda, Masahiro Takada, Yoshitaka Onishi
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Publication number: 20120120173Abstract: A disc driving apparatus includes a recording and reproducing unit for recording or reproducing an information signal for a disc-shaped recording medium having a printing surface and a print unit for performing printing to the printing surface of the disc-shaped recording medium. The print unit includes a print head which is pressed to the printing surface when printing is performed on the printing surface, a head feeding unit to which the print head is mounted, the head feeding unit moving along the printing surface of the disc-shaped recording medium, and a guide member for guiding the movement of the head feeding unit. When the print head is pressed to the printing surface while printing is performed on the printing surface, the disc-shaped recording medium is bent so that the printing surface becomes inclined. The guide member is disposed to be inclined according to the inclined state of the printing surface.Type: ApplicationFiled: November 9, 2011Publication date: May 17, 2012Inventors: Takatoshi IWANABE, Masakazu Sone, Yoshitaka Onishi
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Publication number: 20120118181Abstract: A disc driving apparatus includes: a recording and reproducing unit for recording or reproducing an information signal; and a print unit for performing printing to the printing surface of the disc-shaped recording medium. The print unit includes a print head contacting the printing surface when performing printing, a head feeding unit having a head support lever to which the print head is mounted, a guide cam having a cam guide portion extending in a movement direction of the head feeding unit, a moving cam having an forward path cam engagement portion engaged with the cam guide portion in the forward path and a return path cam engagement portion engaged with the cam guide portion in the return path; and a guide member guiding the movement of the head feeding unit between the initial location and the turnaround location.Type: ApplicationFiled: November 11, 2011Publication date: May 17, 2012Inventors: Takatoshi IWANABE, Masakazu SONE, Yoshitaka ONISHI
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Publication number: 20110273127Abstract: In opening/closing control for the valve mechanism to which the return torque is applied in an opening direction or a closing direction of the valve, provided are a position control system for outputting a q-axis current command based on a position deviation between a target position command directed to the brushless DC motor and the coarse present position of the motor obtained by using the position detection sensor of a pulse output type, and a current control system in which a virtual current feedback is built for outputting a phase voltage command without a current sensor based on the q-axis current command and the coarse present position of the motor obtained by using the position detection sensor of the pulse output type.Type: ApplicationFiled: January 12, 2010Publication date: November 10, 2011Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Naoki Imamura, Masahiro Iezawa, Satoshi Kawamura, Yoshitaka Onishi
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Publication number: 20100283416Abstract: A brushless motor device switches between a 120-degree energization method and a 180-degree energization method of advancing an electrical angle by 30 degrees to drive a brushless motor 1 according to the result of a comparison between the rotational speed of the brushless motor 1 and a predetermined threshold.Type: ApplicationFiled: February 27, 2009Publication date: November 11, 2010Inventors: Yoshitaka Onishi, Satoshi Kawamura, Tomohiro Ueno
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Publication number: 20100250184Abstract: An arithmetic processing means detects a change in a rotation angle of one or more rotations from the direction of a change in the sign of one of sensor output signals and the sign of the other sensor output signal, and generates multiple rotation angle information from information about the detected change in the rotation angle of one or more rotations and rotation angle information about one rotation calculated from the sensor output signals.Type: ApplicationFiled: March 6, 2009Publication date: September 30, 2010Inventors: Satoshi Kawamura, Masahiro Iezawa, Masaya Inoue, Yoshitaka Onishi, Fumitaka Takenaga, Sotsuo Miyoshi, Takeshi Mori