Patents by Inventor Masataka Izawa
Masataka Izawa 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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Patent number: 11862018Abstract: A driving assistance apparatus including a display part, a distance measurement part measuring inter-vehicle distance from a subject vehicle to a preceding vehicle and a microprocessor. The microprocessor is configured to perform acquiring traffic light information including switching information on a traffic light and position information on the subject vehicle with respect to the traffic light, deriving a recommended driving for the driver based on the traffic light information and the position information, and controlling the display part so as to notify the driver of information on the recommended driving, the controlling including controls the display part so as to display a first image corresponding to the recommended driving when the inter-vehicle distance is larger than a predetermined value and to display a second image as warning information together with the first image when the inter-vehicle distance is equal to or smaller than the predetermined value.Type: GrantFiled: October 31, 2022Date of Patent: January 2, 2024Assignee: Honda Motor Co., Ltd.Inventors: Hiroshi Kamakura, Hiroki Nakajima, Masataka Izawa, Kazuki Yamoto, Yasuhiko Awamura
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Publication number: 20230154325Abstract: A driving assistance apparatus including a detection part detecting surroundings of a subject vehicle and a microprocessor. The microprocessor is configured to perform acquiring traffic light information including a remaining time period until a traffic light installed at an intersection is switched, controlling a notification part so as to notify a driver of the subject vehicle of switching information of the traffic light from a first mode capable of passing through the intersection to a second mode incapable of passing through the intersection, and determining whether there is a space into which the subject vehicle is movable in an area after passing through the intersection based on the surroundings. The microprocessor is configured to perform the controlling including controlling the notification part so as to notify the driver of warning information together with the switching information when it is determined that there is not the space.Type: ApplicationFiled: November 8, 2022Publication date: May 18, 2023Inventors: Hiroshi Kamakura, Hiroki Nakajima, Masataka Izawa, Kazuki Yamoto, Yasuhiko Awamura
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Publication number: 20230140557Abstract: A driving assistance apparatus including a display part, a distance measurement part measuring inter-vehicle distance from a subject vehicle to a preceding vehicle and a microprocessor. The microprocessor is configured to perform acquiring traffic light information including switching information on a traffic light and position information on the subject vehicle with respect to the traffic light, deriving a recommended driving for the driver based on the traffic light information and the position information, and controlling the display part so as to notify the driver of information on the recommended driving, the controlling including controls the display part so as to display a first image corresponding to the recommended driving when the inter-vehicle distance is larger than a predetermined value and to display a second image as warning information together with the first image when the inter-vehicle distance is equal to or smaller than the predetermined value.Type: ApplicationFiled: October 31, 2022Publication date: May 4, 2023Inventors: Hiroshi Kamakura, Hiroki Nakajima, Masataka Izawa, Kazuki Yamoto, Yasuhiko Awamura
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Patent number: 10957193Abstract: The reception unit receives the traffic light information at least a transition between first and second light colors of a traffic light at an intersection and turn-on times of the first and the second light colors, using a wireless signal received from a server via a transceiver. A position acquisition unit acquires a position of a vehicle. A passing speed range calculation unit calculates a speed range in which the vehicle is allowed to pass through the intersection in accordance with light colors of the traffic light, based on the traffic light information and on the position of the vehicle. The messaging unit outputs a message of driving assistance information including suggestions for deceleration or a passage possibility through the traffic intersection. A vehicle behavior storing unit stores content of the message and a behavior of the vehicle corresponding to the content of the message in a behavior memorizing unit.Type: GrantFiled: March 19, 2020Date of Patent: March 23, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Takahiro Kurehashi, Yoshinori Kinoshita, Hiroki Nakajima, Masataka Izawa, Hiroshi Kamakura, Minoru Kobayashi
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Patent number: 10957197Abstract: A vehicle driving assistance system capable of providing a driver of a vehicle with appropriate driving assistance when the vehicle is approaching an intersection. If a traffic signal includes multiple aspects that are in accord with the directions of traffic movement at an intersection, an identifier determines whether an intended direction of movement (an intention to turn right or left) at the intersection has been received from a driver through an identifying device. If the identifier has received an intended direction of movement, an aspect (a right-turn or left-turn arrow aspect) for which assistance is provided through communication by a reporter is identified. The reporter then assists the right or left turn of the vehicle for the intersection in step S7. If the identifier does not receive an intended direction of movement from the driver, the reporter assists only a straight-ahead movement of the vehicle in step S7.Type: GrantFiled: March 19, 2020Date of Patent: March 23, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Hiroshi Kamakura, Minoru Kobayashi, Masataka Izawa, Takahiro Kurehashi, Hiroki Nakajima, Yoshinori Kinoshita
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Publication number: 20200312139Abstract: The reception unit receives the traffic light information at least a transition between first and second light colors of a traffic light at an intersection and turn-on times of the first and the second light colors, using a wireless signal received from a server via a transceiver. A position acquisition unit acquires a position of a vehicle. A passing speed range calculation unit calculates a speed range in which the vehicle is allowed to pass through the intersection in accordance with light colors of the traffic light, based on the traffic light information and on the position of the vehicle. The messaging unit outputs a message of driving assistance information including suggestions for deceleration or a passage possibility through the traffic intersection. A vehicle behavior storing unit stores content of the message and a behavior of the vehicle corresponding to the content of the message in a behavior memorizing unit.Type: ApplicationFiled: March 19, 2020Publication date: October 1, 2020Inventors: Takahiro KUREHASHI, Yoshinori KINOSHITA, Hiroki NAKAJIMA, Masataka IZAWA, Hiroshi KAMAKURA, Minoru KOBAYASHI
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Publication number: 20200312143Abstract: A vehicle driving assistance system capable of providing a driver of a vehicle with appropriate driving assistance when the vehicle is approaching an intersection. If a traffic signal includes multiple aspects that are in accord with the directions of traffic movement at an intersection, an identifier determines whether an intended direction of movement (an intention to turn right or left) at the intersection has been received from a driver through an identifying device. If the identifier has received an intended direction of movement, an aspect (a right-turn or left-turn arrow aspect) for which assistance is provided through communication by a reporter is identified. The reporter then assists the right or left turn of the vehicle for the intersection in step S7. If the identifier does not receive an intended direction of movement from the driver, the reporter assists only a straight-ahead movement of the vehicle in step S7.Type: ApplicationFiled: March 19, 2020Publication date: October 1, 2020Inventors: Hiroshi KAMAKURA, Minoru KOBAYASHI, Masataka IZAWA, Takahiro KUREHASHI, Hiroki NAKAJIMA, Yoshinori KINOSHITA
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Patent number: 8014256Abstract: An optical pickup for irradiating an information recording medium, such as a DVD, with a laser beam when an information signal is recorded or reproduced, and information equipment provided with the optical pickup.Type: GrantFiled: March 29, 2007Date of Patent: September 6, 2011Assignee: Pioneer CorporationInventors: Naoharu Yanagawa, Masataka Izawa
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Publication number: 20090323501Abstract: An optical pickup for irradiating an information recording medium, such as a DVD, with a laser beam when an information signal is recorded or reproduced, and information equipment provided with the optical pickup.Type: ApplicationFiled: March 29, 2007Publication date: December 31, 2009Inventors: Naoharu Yanagawa, Masataka Izawa
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Publication number: 20090274029Abstract: An optical pickup (100) includes: (i) a light source (101) for emitting a laser beam; (ii) an optical system (105, etc.) for introducing the laser beam into one of recording layers; (iii) an optical function element (104) for changing a predetermined polarized state in the laser beam in the unit of micro regions contained in the region where the laser beam is applied for each of the micro region positions; and (iv) light receiving means (PD0, etc.) for receiving at least the laser beam.Type: ApplicationFiled: March 29, 2007Publication date: November 5, 2009Inventors: Masataka Izawa, Takehisa Okuyama, Naoharu Yanagawa
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Patent number: 7196676Abstract: An information terminal such as a PDA (personal digital assistant) having a plurality of display screens in particular. The information terminal is provided with a plurality of display devices stored so that they can be developed in a main unit of the information terminal. The information terminal includes a controller which controls start and display of any application displayed on each of the display devices. The controller displays a plurality of applications in a predetermined order each time the display devices are developed.Type: GrantFiled: April 22, 2003Date of Patent: March 27, 2007Assignee: Pioneer CorporationInventors: Kenji Nakamura, Michio Sakano, Shinichi Sugie, Kenji Mito, Naoaki Horiuchi, Masataka Izawa
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Publication number: 20030231143Abstract: An information terminal such as a PDA (personal digital assistant) having a plurality of display screens in particular. The information terminal is provided with a plurality of display devices stored so that they can be developed in a main unit of the information terminal. The information terminal includes a controller which controls start and display of any application displayed on each of the display devices. The controller displays a plurality of applications in a predetermined order each time the display devices are developed.Type: ApplicationFiled: April 22, 2003Publication date: December 18, 2003Applicant: PIONEER CORPORATIONInventors: Kenji Nakamura, Michio Sakano, Shinichi Sugie, Kenji Mito, Naoaki Horiuchi, Masataka Izawa
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Publication number: 20030210238Abstract: A digital image display stand for enabling even persons who feel inferior to digital machines to easily view a transmitted digital image without performing intricate operation. The digital image display includes a reception section which receives digital image data transmitted via a communication line; a storage section which stores at least digital image data corresponding to one frame, of the digital image data received by the reception section; and an image display section which displays the digital image data stored in the storage section.Type: ApplicationFiled: May 7, 2003Publication date: November 13, 2003Applicant: PIONEER CORPORATIONInventors: Naoaki Horiuchi, Michio Sakano, Shinichi Sugie, Masataka Izawa, Kenji Nakamura, Kenji Mito
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Patent number: 6639887Abstract: An optical integrated apparatus is used in an optical pickup apparatus which irradiates a light emitted by a light emitting device to an optical information record medium, on which record information is recorded, and receives a reflection light reflected from the optical information record medium. The optical integrated apparatus is provided with: a substrate; a light wave coupler for respectively generating a transmitted light and a guided light out of the reflection light; a light guide path for propagating the guided light; a first light receiving portion for receiving the transmitted light; and a second light receiving portion for receiving a radiant light which is generated out of the guided light and is directed toward the substrate due to a phase matching from the light guide path. The light wave coupler, the light guide path, the first light receiving portion and the second light receiving portion are laminated on the substrate.Type: GrantFiled: January 27, 2000Date of Patent: October 28, 2003Assignee: Pioneer CorporationInventor: Masataka Izawa
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Publication number: 20030174630Abstract: This invention provides an integrated optical device, which is used in an optical pickup apparatus that receives light reflected by an optical medium, is provided with a grating 5 that creates both guided light and transmitted light from the reflected light and that is layered with a light guide that transmits the guided light; and wherein the grating 5 is provided with a first optimized device that is optimized for a first wavelength of said reflected light; a second optimized device that is optimized to a wavelength that is longer than the first wavelength of the reflected light; and a third optimized device that is optimized to a wavelength that is shorter than the first wavelength of the reflected light.Type: ApplicationFiled: February 6, 2003Publication date: September 18, 2003Inventor: Masataka Izawa
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Publication number: 20030152012Abstract: An optical pickup device for reading information recorded on an optical disc, the device having a semiconductor laser, a half mirror and a light-receiving element. The semiconductor laser and the half mirror are attached to each other via a grating, and the light-receiving element is attached on the surface of the half mirror.Type: ApplicationFiled: February 12, 2003Publication date: August 14, 2003Applicant: Pioneer CorporationInventors: Isao Tomisawa, Noboru Minagawa, Kazunobu Hashimoto, Masataka Izawa, Satoshi Sugiura
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Patent number: 6519379Abstract: An optical integrated device is used in an optical pickup device which irradiates a light onto an optical information storage medium and receives a reflected light reflected by the storage medium. The optical integrated device includes: a light wave coupling element for generating at least a guided light from the reflected light; an optical waveguide unit for propagating the guided light, the optical waveguide unit including a multiple optical waveguides and at least a clad layer formed between the optical waveguides; and a light receiving element for receiving the light from the optical waveguide unit.Type: GrantFiled: May 31, 2000Date of Patent: February 11, 2003Assignee: Pioneer CorporationInventors: Masataka Izawa, Kiyoshi Takei
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Patent number: 6483786Abstract: A light guide path element is provided with: a first light guide path for guiding a light beam having a first wavelength; a second light guide path for guiding a light beam having a second wavelength; a first separating device for irradiating the light beam having the first wavelength irradiated from a first light source onto an information record medium and transmitting a light beam reflected therefrom; a second separating device for irradiating the light beam having the second wavelength irradiated from a second light source onto an information record medium and transmitting a light beam reflected therefrom; a first grating for input-coupling one portion of the light beam transmitted through the first separating device to the first light guide path and transmitting another portion of the light beam transmitted through the first separating device; a second grating for input-coupling one portion of the light beam transmitted through the second separating device to the second light guide path and transmittingType: GrantFiled: February 3, 2000Date of Patent: November 19, 2002Assignee: Pioneer CorporationInventor: Masataka Izawa
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Patent number: 6408116Abstract: The light beam emitted by the light source is irradiated on the information storage medium via the optical system. The reflected light beam is irradiated by the light guide path element. Then by the grating, a part of the light beam is input-coupled with the waveguide layer while the remaining part is transmitted and received by the light receiving portion below. An adjustment is made such that the coupling efficiency to the waveguide layer by the first grating pattern is maximized when the relative distance between the information storage medium and the optical system increases, and the coupling efficiency to the waveguide layer by the second grating pattern is maximized when the relative distance between the information storage medium and the optical system decreases. In the light receiving portion, divided according to the respective grating patterns, the received light quantity becomes minimum when the respective coupling efficiencies are maximum.Type: GrantFiled: February 14, 2000Date of Patent: June 18, 2002Assignee: Pioneer CorporationInventor: Masataka Izawa
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Patent number: 5881836Abstract: An electric power steering apparatus which quickly returns the steering wheel to the neutral position with a satisfactory steering feeling by switching a steering wheel return control for assisting the steering wheel return and a steering wheel convergence control for converging the steering wheel to the neutral position by braking a motor, according to the steering condition such as the rotational speed of the steering wheel is fast or slow when returning the steering wheel to the neutral position even when the vehicle speed is equal.Type: GrantFiled: April 4, 1997Date of Patent: March 16, 1999Assignees: Koyo Seiko Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Mitsuhiko Nishimoto, Kazuyuki Yoshida, Takahiro Aoki, Masataka Izawa, Mitsunori Kawashima