Patents by Inventor Masatoshi Ito
Masatoshi Ito 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: 20220159224Abstract: A liquid crystal projector includes a liquid crystal panel configured to generate a modulated image, a sensor configured to detect a temperature of the liquid crystal panel, an optical shift element configured to shift an emission optical path of the modulated image generated by the liquid crystal panel, and a control circuit configured to control a velocity of a shift in the optical shift element according to the temperature detected by the sensor.Type: ApplicationFiled: November 16, 2021Publication date: May 19, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Toru AOKI, Shinichi WAKABAYASHI, Masatoshi ITO, Daigo HOKAZONO
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Publication number: 20220132084Abstract: An optical device includes an optical device including, a movable frame configured to hold an optical member, and a coupling frame to be coupled to the movable frame via an oscillation axis, and a stationary frame to which the coupling frame is fixed via a vibration absorbing member. The stationary frame has a shaft part to which the vibration absorbing member is attached, and a first surface and a second surface opposed to each other outside the shaft part, the coupling frame is disposed so as to be separated from the shaft part, the first surface, and the second surface with the vibration absorbing member, and a thickness of the vibration absorbing member existing between the coupling frame and the first surface and/or the second surface is thicker than a thickness of the vibration absorbing member existing between the coupling frame and the shaft part of the stationary frame.Type: ApplicationFiled: October 22, 2021Publication date: April 28, 2022Inventors: Yoshiyuki YANAGISAWA, Masatoshi ITO, Shinichi WAKABAYASHI
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Patent number: 11262574Abstract: A light path shifting device is provided with a glass plate which incident light enters, a first frame for holding the glass plate, a second frame for supporting the first frame in the state of being swingable around a first oscillation axis, a base member for supporting the second frame in the state of being swingable around a second oscillation axis crossing the first oscillation axis, a first actuator for oscillating the first frame, and a second actuator for oscillating the second frame, and is capable of shifting the light path of the incident light in a first direction and a second direction crossing the first direction by oscillating the first frame and the second frame to thereby change an incident angle of the incident light to the glass plate.Type: GrantFiled: December 3, 2019Date of Patent: March 1, 2022Assignee: Seiko Epson CorporationInventors: Shinichi Wakabayashi, Masatoshi Ito
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Patent number: 11189963Abstract: A connector (female connector 1) is provided with an inner housing 20 from which wires W are pulled out to outside and which is connected to a mating housing 90, and a vibration transmitting member 30, 40 including a mating contact portion (inner peripheral surface 31A) capable of coming into contact with the mating housing 90. The vibration transmitting member 30, 40 includes a wire fixing portion 43 to which the wires W are fixed, and is capable of transmitting vibration from the wire fixing portion 43 to the mating housing 90 from the mating contact portion 31A. The inner housing 20 is allowed to relatively move with respect to the vibration transmitting member 30, 40.Type: GrantFiled: November 6, 2018Date of Patent: November 30, 2021Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito, Hirokazu Komori
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Patent number: 11139607Abstract: A connector (1) is provided with an inner housing (20) to be fit to an inner periphery of a mating housing (M) and an outer housing (30) fittable to an outer periphery of the mating housing (M). The outer housing (30) is held on the inner housing (20) by first locks (50) before connection to the mating housing (M), is held connected to the mating housing (M) by a second lock (60) at the time of connection to the mating housing M, and is separated from the inner housing (20) and held connected to the mating housing (M) by releasing the first locks (50) at the time of separation from the mating housing (M).Type: GrantFiled: November 6, 2018Date of Patent: October 5, 2021Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito
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Publication number: 20210294094Abstract: A projector includes a light outputting apparatus that outputs video light, a projection system that enlarges and projects the video light, and an optical device disposed between the light outputting apparatus and the projection system. The optical device includes a movable section including a glass plate (optical section) having a light incident surface on which the video light is incident, a shaft section that swingably supports the movable section around a first swing axis, and an actuator that causes the movable section to swing. The cross-sectional shape of the shaft section viewed in the direction along the first swing axis is a shape having a plurality of recesses recessed inward.Type: ApplicationFiled: March 17, 2021Publication date: September 23, 2021Applicant: SEIKO EPSON CORPORATIONInventors: Shinichi WAKABAYASHI, Masatoshi ITO
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Publication number: 20210247671Abstract: A projector includes an optical path change device placed between a light modulation device and a projection optical device. The optical path change device has an optical member holding part that holds an optical member that a light modulated by the light modulation device enters, and a supporting member that swingably supports the optical member holding part. The supporting member is supported by a holding member that holds the light modulation device or the projection optical device.Type: ApplicationFiled: February 5, 2021Publication date: August 12, 2021Applicant: SEIKO EPSON CORPORATIONInventors: Shinichi WAKABAYASHI, Masatoshi ITO, Takahiro TOTSUKA
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Publication number: 20210175661Abstract: A connector (female connector 1) is provided with an inner housing 20 from which wires W are pulled out to outside and which is connected to a mating housing 90, and a vibration transmitting member 30, 40 including a mating contact portion (inner peripheral surface 31A) capable of coming into contact with the mating housing 90. The vibration transmitting member 30, 40 includes a wire fixing portion 43 to which the wires W are fixed, and is capable of transmitting vibration from the wire fixing portion 43 to the mating housing 90 from the mating contact portion 31A. The inner housing 20 is allowed to relatively move with respect to the vibration transmitting member 30, 40.Type: ApplicationFiled: November 6, 2018Publication date: June 10, 2021Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito, Hirokazu Komori
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Patent number: 11031539Abstract: To provide a vibrator made of a piezoelectric crystal having a larger electromechanical coupling coefficient and a more satisfactory frequency-temperature characteristic than those of quartz, a vibrating piece (101) is made of a Ca3Ta(Ga1-xAlx)3Si2O14 single crystal (0<x?1). In the single crystal, letting ? be a rotation angle from an X-Z plane about an X-axis serving as a rotation axis, 18x+17.5???24x+24.5 is set. In addition, the vibrating piece (101) is made of a Ca3Nb(Ga1-xAlx)3Si2O14 single crystal (0<x?1). In the single crystal of this arrangement, letting ? be a rotation angle from an X-Z plane about an X-axis serving as a rotation axis, 25x+23.083???32x+26.167 is set.Type: GrantFiled: November 4, 2016Date of Patent: June 8, 2021Assignees: PIEZO STUDIO INC., TOHOKU UNIVERSITYInventors: Akira Yoshikawa, Yuji Ohashi, Yuui Yokota, Kei Kamada, Masatoshi Ito, Kenji Inoue, Hiroyuki Amano
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Publication number: 20200274285Abstract: A connector (1) is provided with an inner housing (20) to be fit to an inner periphery of a mating housing (M) and an outer housing (30) fittable to an outer periphery of the mating housing (M). The outer housing (30) is held on the inner housing (20) by first locks (50) before connection to the mating housing (M), is held connected to the mating housing (M) by a second lock (60) at the time of connection to the mating housing M, and is separated from the inner housing (20) and held connected to the mating housing (M) by releasing the first locks (50) at the time of separation from the mating housing (M).Type: ApplicationFiled: November 6, 2018Publication date: August 27, 2020Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito
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Publication number: 20200174246Abstract: A light path shifting device is provided with a glass plate which incident light enters, a first frame for holding the glass plate, a second frame for supporting the first frame in the state of being swingable around a first oscillation axis, a base member for supporting the second frame in the state of being swingable around a second oscillation axis crossing the first oscillation axis, a first actuator for oscillating the first frame, and a second actuator for oscillating the second frame, and is capable of shifting the light path of the incident light in a first direction and a second direction crossing the first direction by oscillating the first frame and the second frame to thereby change an incident angle of the incident light to the glass plate.Type: ApplicationFiled: December 3, 2019Publication date: June 4, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Shinichi WAKABAYASHI, Masatoshi ITO
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Publication number: 20200164856Abstract: In a control device of a hybrid vehicle including an engine, a rotating machine, a power transmission device, and an electric oil pump, the control device comprising; a state determining portion; an electric oil pump control portion performing a test operation of the electric oil pump for determining whether the electric oil pump operates normally when it is determined that the measured temperature of the oil allows the electric oil pump to operate normally; and an engine control portion, the electric oil pump control portion performs the test operation of the electric oil pump in a predetermined period after a power supply state of the hybrid vehicle is switched to a power-on state enabling the vehicle to run and before the hybrid vehicle actually starts running, and when the test operation of the electric oil pump is performed in the predetermined period, the engine control portion starts the engine.Type: ApplicationFiled: November 13, 2019Publication date: May 28, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuaki KAMIYA, Masatoshi ITO
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Publication number: 20200113873Abstract: To provide a medicament for safely treating a patient in need of treatment with pemafibrate, a salt thereof, or a solvate of any of these (hereinafter also referred to as pemafibrate therapy). A medicament for treating a patient in need of pemafibrate therapy, the medicament comprising the step of avoiding or suspending concomitant use of pemafibrate, a salt thereof, or a solvate of any of these as an active ingredient in order to suppress an increase in plasma concentration of pemafibrate when the treatment is combined with a medicament containing an OATP1B inhibitor, or the step of reducing the dose of pemafibrate, a salt thereof, or a solvate of any of these.Type: ApplicationFiled: June 29, 2018Publication date: April 16, 2020Applicant: KOWA COMPANY, LTD.Inventors: Ryu OSHIMA, Masatoshi ITO, Chisato NAGAI
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Publication number: 20180323366Abstract: To provide a vibrator made of a piezoelectric crystal having a larger electromechanical coupling coefficient and a more satisfactory frequency-temperature characteristic than those of quartz, a vibrating piece (101) is made of a Ca3Ta(Ga1-xAlx)3Si2O14 single crystal (0<x?1). In the single crystal, letting ? be a rotation angle from an X-Z plane about an X-axis serving as a rotation axis, 18x+17.5???24x+24.5 is set. In addition, the vibrating piece (101) is made of a Ca3Nb(Ga1-xAlx)3Si2O14 single crystal (0<x?1). In the single crystal of this arrangement, letting ? be a rotation angle from an X-Z plane about an X-axis serving as a rotation axis, 25x+23.083???32x+26.167 is set.Type: ApplicationFiled: November 4, 2016Publication date: November 8, 2018Applicants: PIEZO STUDIO INC., TOHOKU UNIVERSITYInventors: Akira YOSHIKAWA, Yuji OHASHI, Yuui YOKOTA, Kei KAMADA, Masatoshi ITO, Kenji INOUE, Hiroyuki AMANO
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Patent number: 10107516Abstract: A remote controller includes a user interface, a rotational state detector, and a controller. The rotational state detector detects a rotational state of the remote controller. The controller, based on the rotational state detected by the rotational state detector, selects a display mode from among a plurality of display modes depending on different user tiers. Then the controller causes the user interface to display an operation screen in the selected display mode.Type: GrantFiled: February 24, 2015Date of Patent: October 23, 2018Assignee: Mitsubishi Electric CorporationInventors: Noriyuki Komiya, Takahiro Ito, Tomoaki Gyota, Hiroko Izumihara, Masatoshi Ito, Yuri Nakano
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Publication number: 20180094828Abstract: A remote controller includes a user interface, a rotational state detector, and a controller. The rotational state detector detects a rotational state of the remote controller. The controller, based on the rotational state detected by the rotational state detector, selects a display mode from among a plurality of display modes depending on different user tiers. Then the controller causes the user interface to display an operation screen in the selected display mode.Type: ApplicationFiled: February 24, 2015Publication date: April 5, 2018Applicant: Mitsubishi Electric CorporationInventors: Noriyuki KOMIYA, Takahiro ITO, Tomoaki GYOTA, Hiroko IZUMIHARA, Masatoshi ITO, Yuri NAKANO
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Patent number: 9545918Abstract: A control device of a hybrid vehicle causing a first electric motor to apply an engine reduction torque for reducing a rotation speed of an engine at the time of stopping a rotation of the engine, when it is determined that an output torque of a second electric motor is in a predetermined torque range near zero including zero during transition to stopping the rotation of the engine with the engine reduction torque applied by a first electric motor at the time of stopping the rotation of the engine being set to a predetermined engine reduction torque, the engine reduction torque is changed from the predetermined engine reduction torque.Type: GrantFiled: December 4, 2014Date of Patent: January 17, 2017Assignee: Toyota Jidosha Kabushiki KaishaInventors: Daiki Sato, Masatoshi Ito
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Patent number: 9470960Abstract: A projector includes a light source apparatus, a light modulator that modulates a light flux outputted from the light source apparatus in accordance with image information, a projection lens that projects the light flux modulated by the light modulator, an exterior enclosure that accommodates the light source apparatus, the light modulator, and the projection lens, an exhaust fan (first exhaust fan) that exhausts air inside the exterior enclosure out thereof through an exhaust port (first light source exhaust port) provided in the exterior enclosure, and a functional device (wireless device) that provides a predetermined function and is heated to a temperature higher than the temperature of the exhaust air from the first exhaust fan. The wireless device is disposed in a position downstream of the first exhaust fan, and part of the exhaust air discharged from the first exhaust fan flows to the wireless device.Type: GrantFiled: May 22, 2014Date of Patent: October 18, 2016Assignee: Seiko Epson CorporationInventors: Hiroshi Tsuchitani, Kenichi Asami, Masatoshi Ito
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Patent number: 9358871Abstract: A control apparatus for a hybrid vehicle drive system, which permits effective reduction of deterioration of the drivability of the hybrid vehicle. The control apparatus includes a drive mode switching portion 60 configured to switch the hybrid vehicle drive system from a hybrid drive mode to a first EV drive mode if an electric energy amount stored in a battery is smaller than a predetermined threshold value ? or if a vehicle drive force required to be generated by the hybrid vehicle drive system is smaller than a predetermined threshold value ?, and to a second EV drive mode if the electric energy amount stored in the battery is equal to or larger than the threshold value ? and if the drive force required to drive the hybrid vehicle is equal to or larger than the threshold value ?, when the drive mode switching portion has determined that the hybrid vehicle drive system should be switched from the hybrid drive mode to the first or second EV drive mode.Type: GrantFiled: February 13, 2015Date of Patent: June 7, 2016Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Taku Harada, Masatoshi Ito, Masataka Sugiyama, Takuya Kodama
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Patent number: 9279359Abstract: A piston cooling apparatus includes: a main body including a communication passage communicating with an oil path formed in an internal combustion engine; a nozzle pipe portion including an oil injection port configured to inject oil having passed through the communication passage toward a piston; and a filter disposed upstream of the nozzle pipe portion on the flow passage of the oil and including a hole having a smaller diameter than the minimum diameter of the oil injection port, the oil being injected toward the piston from the oil injection port, wherein: the filter is removably mounted on the outer surface of the outer wall portion of the main body existing upstream on the oil flow passage; and the main body is mounted on the internal combustion engine in a state where at least a portion of the filter is inserted into the oil path.Type: GrantFiled: August 1, 2014Date of Patent: March 8, 2016Assignees: HONDA MOTOR CO., LTD., HIKARI SEIKO CO., LTD.Inventors: Yoshitsugu Gokan, Tomokazu Kobayashi, Takayuki Osako, Masatoshi Ito, Kenichi Nishimura, Keiji Yamamoto, Masaki Sabato