Patents by Inventor Makoto Hosaka
Makoto Hosaka 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: 20220178846Abstract: A surface shape detection device using differential interference optics achieves restoration error reduction of a surface shape while maintaining resolution.Type: ApplicationFiled: April 8, 2019Publication date: June 9, 2022Applicant: HITACHI HIGH-TECH CORPORATIONInventors: Kenichiro YAMADA, Shinsuke ONOE, Makoto HOSAKA
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Patent number: 9984717Abstract: The optical information recording device includes a light source configured to emit a laser beam, an optical element configured to divide the laser beam into the reference beam and the signal beam, an angle control unit configured to control an angle of incidence of the reference beam on the optical information recording medium, and a phase control unit configured to control a phase of at least one of the signal beam and the reference beam in a recording period, wherein the angle control unit controls an angle interval so that a position of a 1st null of an adjacent page of the signal beam is fixed, and wherein the phase control unit controls the phase of the signal beam or the reference beam so that a phase difference between the adjacent pages is a predetermined value.Type: GrantFiled: January 4, 2017Date of Patent: May 29, 2018Assignee: Hitachi-LG Data Storage, Inc.Inventors: Toshiki Ishii, Makoto Hosaka
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Patent number: 9940966Abstract: Provided are an optical information reproduction device and a method therefor with which the influence of reference light reflected from the surface of a disk can be reduced, thereby enabling data to be reproduced in a stable manner in an optical information reproduction device that uses holography.Type: GrantFiled: December 4, 2013Date of Patent: April 10, 2018Assignee: Hitachi Consumer Electronics Co., Ltd.Inventors: Makoto Hosaka, Shinji Fujita
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Patent number: 9728219Abstract: An optical information recording/reproduction device is capable of appropriately correcting the angle of a reference beam during data reproduction even when a wavelength deviation or an angle deviation in multiplexing and vertical directions of the reference beam occurs in a holographic memory recording medium. The optical information reproduction device has a laser light source that generates a reference beam; an image-capturing unit that detects a diffraction ray to be reproduced from the optical information recoding medium; and an optical detection unit that has at least two light-receiving surfaces and is used for detecting a diffraction ray reproduced by irradiating the reference beam on the optical information recording medium. The device also has a light-shielding unit that shields part of the diffraction ray detected by the optical detection unit; and an error signal calculation unit that generates an error signal from a detection signal outputted by the optical detection unit.Type: GrantFiled: April 8, 2013Date of Patent: August 8, 2017Assignee: Hitachi, Ltd.Inventor: Makoto Hosaka
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Publication number: 20170200463Abstract: The optical information recording device includes a light source configured to emit a laser beam, an optical element configured to divide the laser beam into the reference beam and the signal beam, an angle control unit configured to control an angle of incidence of the reference beam on the optical information recording medium, and a phase control unit configured to control a phase of at least one of the signal beam and the reference beam in a recording period, wherein the angle control unit controls an angle interval so that a position of a 1st null of an adjacent page of the signal beam is fixed, and wherein the phase control unit controls the phase of the signal beam or the reference beam so that a phase difference between the adjacent pages is a predetermined value.Type: ApplicationFiled: January 4, 2017Publication date: July 13, 2017Inventors: Toshiki ISHII, Makoto HOSAKA
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Publication number: 20160307591Abstract: Provided are an optical information reproduction device and a method therefor with which the influence of reference light reflected from the surface of a disk can be reduced, thereby enabling data to be reproduced in a stable manner in an optical information reproduction device that uses holography.Type: ApplicationFiled: December 4, 2013Publication date: October 20, 2016Inventors: Makoto HOSAKA, Shinji FUJITA
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Patent number: 9373352Abstract: An optical information reproduction apparatus using holography can appropriately correct an angle and a wavelength of a reference beam in a direction perpendicular to multiplexing while data is reproduced. In the optical information reproduction apparatus which reproduces information from an optical information recording medium by using holography, an angular error signal in the direction perpendicular to multiplexing of the reference beam is generated by using a signal detected by a light detecting unit. A perpendicular angle adjustment element adjusts an angle of the reference beam in the direction perpendicular to multiplexing, based on the angular error signal. A wavelength error signal is generated from a signal detected by the light detecting unit, and a wavelength is adjusted based on the wavelength error signal.Type: GrantFiled: December 10, 2012Date of Patent: June 21, 2016Assignee: Hitachi Consumer Electronics Co., Ltd.Inventor: Makoto Hosaka
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Patent number: 9362434Abstract: A back side protective sheet for a solar cell, which is capable of enhancing performance of adhesion to an EVA resin as a filler used to seal solar cell elements, maintaining weather resistance for a long period of time, and reducing weight thereof; and a solar cell module including the back side protective sheet for a solar cell. The back side protective sheet is disposed on a back side of the solar cell module and includes: a first film fixedly attached so as to abut a surface of a filler and containing linear low-density polyethylene having a density greater than or equal to 0.91 g/cm3 and less than or equal to 0.93 g/cm3; and a second film laminated to the first film and disposed in an outermost layer of the back side protective sheet, the second film containing polyvinylidene fluoride and polymethyl methacrylate.Type: GrantFiled: February 15, 2008Date of Patent: June 7, 2016Assignee: TOYO ALUMINIUM KABUSHIKI KAISHAInventors: Hidenori Yasukawa, Masateru Watanabe, Makoto Hosaka, Hiroyuki Sakamoto
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Publication number: 20160111123Abstract: The optical information recording/reproduction device for recording information by irradiating an optical information recording medium with signal light and reference light to form a hologram, and reproducing the information by irradiating the hologram with the reference light, wherein the optical information recording/reproduction device is provided with a branching element for branching laser light from a laser light source into signal light and reference light, a spatial light modulation unit for adding two-dimensional information to the signal light, an objective lens for irradiating an optical information recording medium with the signal light, a photodetector for detecting diffracted light from the optical information recording medium when irradiated with the reference light, and an optical axis adjustment unit disposed between the laser light source and the branching element, the optical axis adjustment unit adjusting the optical axis of the laser light.Type: ApplicationFiled: June 14, 2013Publication date: April 21, 2016Inventors: Mayumi NAGAYOSHI, Taku HOSHIZAWA, Kazuyoshi YAMAZAKI, Makoto HOSAKA
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Publication number: 20160055876Abstract: An optical information recording/reproduction device is capable of appropriately correcting the angle of a reference beam during data reproduction even when a wavelength deviation or an angle deviation in multiplexing and vertical directions of the reference beam occurs in a holographic memory recording medium. The optical information reproduction device has a laser light source that generates a reference beam; an image-capturing unit that detects a diffraction ray to be reproduced from the optical information recoding medium; and an optical detection unit that has at least two light-receiving surfaces and is used for detecting a diffraction ray reproduced by irradiating the reference beam on the optical information recording medium. The device also has a light-shielding unit that shields part of the diffraction ray detected by the optical detection unit; and an error signal calculation unit that generates an error signal from a detection signal outputted by the optical detection unit.Type: ApplicationFiled: April 8, 2013Publication date: February 25, 2016Applicant: Hitachi, Ltd.Inventor: Makoto HOSAKA
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Publication number: 20160042756Abstract: The objective of the present invention is, using an optical system which performs adjustment, to allow a reference beam optical system to be adjustable with high accuracy.Type: ApplicationFiled: April 8, 2013Publication date: February 11, 2016Applicant: Hitachi Consumer Electronics Co., Ltd.Inventors: Takeshi OGATA, Makoto HOSAKA
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Publication number: 20150318012Abstract: An optical information reproduction apparatus using holography can appropriately correct an angle and a wavelength of a reference beam in a direction perpendicular to multiplexing while data is reproduced. In the optical information reproduction apparatus which reproduces information from an optical information recording medium by using holography, an angular error signal in the direction perpendicular to multiplexing of the reference beam is generated by using a signal detected by a light detecting unit. A perpendicular angle adjustment element adjusts an angle of the reference beam in the direction perpendicular to multiplexing, based on the angular error signal. A wavelength error signal is generated from a signal detected by the light detecting unit, and a wavelength is adjusted based on the wavelength error signal.Type: ApplicationFiled: December 10, 2013Publication date: November 5, 2015Inventor: Makoto HOSAKA
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Patent number: 9173699Abstract: An endoscopic forceps is provided. A movable blade electrode and a fixed blade electrode form a pair of electrodes. The fixed blade electrode is electrically contacted onto an external electric conductor of a coaxial cable in the sheath conduit. A force application point of the movable blade electrode is connected to a center electric conductor of the coaxial cable. A pivot point of the movable blade electrode is provided on the movable blade electrode. The coaxial cable is slid with respect to the sheath conduit so that parallel moving added to the coaxial cable is transmitted to the movable blade electrode as turnable moving about the pivot point via the force application point of the movable blade electrode. A high frequency wave can be applied between the movable blade electrode and the fixed blade electrode via the external electric conductor and the center electric conductor of the coaxial cable.Type: GrantFiled: May 22, 2012Date of Patent: November 3, 2015Assignee: YAMASHINA SEIKI CO., LTD.Inventors: Makoto Hosaka, Kazuo Abe, Eiichi Uemura
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Patent number: 9129613Abstract: An optical information reproducing device, takes advantage of holography and can precisely detect a well-known pattern disposed at a prescribed location within a page and is used for correcting position deviation, rotation deviation, and magnification deviation. The optical fiber reproducing device includes a detection unit that detects the position information of a marker as a well-known pattern from a page as a 2-dimensional reproduction signal from a hologram, a detection error position estimating unit that estimates presence/absence of detection error in the position information of the marker and estimates the position where the detection error occurs if there is detection error, a position correcting unit that corrects the marker position information of the detection error position specified by the detection error position estimating unit, and a signal detection unit that detects each signal from within the page based on the corrected marker position information.Type: GrantFiled: April 6, 2012Date of Patent: September 8, 2015Assignee: HITACHI CONSUMER ELECTRONICS CO., LTD.Inventor: Makoto Hosaka
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Patent number: 9081364Abstract: In an optical information recording/reproducing apparatus using holography, there are provided the optical information recording/reproducing apparatus, method thereof, and optical information recording medium which correct a zero point and variation of unit quantity of a reference beam angle between apparatus and perform recording or reproducing operation with high compatibility between apparatus. The optical information recording/reproducing apparatus detects a reference beam angle suitable to reproduce angle correction data recorded on the optical information recording medium and corrects a zero point and unit quantity of the reference beam angle at the time of recording or reproducing operation based on the detection angle information.Type: GrantFiled: November 16, 2012Date of Patent: July 14, 2015Assignee: HITACHI CONSUMER ELECTRONICS CO., LTD.Inventor: Makoto Hosaka
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Publication number: 20150179208Abstract: An optical information reproducing device, takes advantage of holography and can precisely detect a well-known pattern disposed at a prescribed location within a page and is used for correcting position deviation, rotation deviation, and magnification deviation. The optical fiber reproducing device includes a detection unit that detects the position information of a marker as a well-known pattern from a page as a 2-dimensional reproduction signal from a hologram, a detection error position estimating unit that estimates presence/absence of detection error in the position information of the marker and estimates the position where the detection error occurs if there is detection error, a position correcting unit that corrects the marker position information of the detection error position specified by the detection error position estimating unit, and a signal detection unit that detects each signal from within the page based on the corrected marker position information.Type: ApplicationFiled: April 6, 2012Publication date: June 25, 2015Applicant: HITACHI CONSUMER ELECTRONICS CO., LTD.Inventor: Makoto Hosaka
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Publication number: 20150131424Abstract: An optical information recording/reproduction device appropriately adjusting a recording condition and a method and a medium therefor are provided in order to cope with a problem that the signal-to-noise ratio (SNR) during reproduction decreases, unless the condition during recording is adjusted, because of variation in the environment during recording, variation of components such as laser output, variation of production of the device, and the like in the optical information recording/reproduction device using holography. In an optical information recording/reproduction device configured to record or reproduce information to an optical information recording medium by using holography, a recording condition is adjusted, before user data are recorded, in an adjustment area provided for recording condition adjustment in an optical information recording medium.Type: ApplicationFiled: May 23, 2012Publication date: May 14, 2015Applicant: Hitachi Consumer Electronics Co., Ltd.Inventors: Makoto Hosaka, Kazuyoshi Yamazaki
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Patent number: 8964519Abstract: The present invention provides a technology which estimates the most suitable cure time which changes with the environment when recording a hologram and adjusts the cure time in real time, thereby enabling a suitable pre-cure or post-cure. When irradiating an optical information recording medium with cure light, the light transmitted from the optical information recording medium is detected by a detector and the irradiation time is adjusted by continuing irradiation until the intensity of the transmitted light detected exceeds a prescribed reference value.Type: GrantFiled: April 16, 2012Date of Patent: February 24, 2015Assignee: Hitachi Consumer Electronics Co., Ltd.Inventor: Makoto Hosaka
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Patent number: 8908487Abstract: In reproduction of a two-dimensional page data from an optical information recording medium utilizing holography, a reproduced two-dimensional page data is divided into a plurality of areas each of which has a predetermined size, the divided two-dimensional areas are individually subjected to adaptive equalizing, and then are coupled to restore the condition of the original two-dimensional page data.Type: GrantFiled: November 29, 2011Date of Patent: December 9, 2014Assignee: Hitachi Consumer Electronics Co., Ltd.Inventors: Makoto Hosaka, Toshiki Ishii
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Publication number: 20140288487Abstract: A method of conducting a clinical procedure, including providing an endoscope having an instrument channel in communication with a lumen; providing a catheter adapted to be inserted through the instrument channel, the catheter comprising a tip having a guide tube portion, and a plurality of openings at a distal end of the catheter in the vicinity of the tip, the plurality of openings adapted for ejecting an irrigation fluid into and for sucking waste fluid from the lumen; inserting the catheter through the endoscope such that the tip protrudes into the lumen; providing and ejecting an irrigation fluid into the lumen through the openings; sucking waste fluid from the lumen through the openings; and withdrawing the catheter from the lumen and the endoscope.Type: ApplicationFiled: June 5, 2014Publication date: September 25, 2014Inventors: Kiyokazu NAKAJIMA, Makoto HOSAKA, Tomoya IDETA