Junichi Furukawa
Junichi Furukawa, Kanagawa JP
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20100007779 | SOLID-STATE IMAGING DEVICE, METHOD FOR MANUFACTURING THE SAME AND IMAGING APPARATUS - A solid-state imaging device includes a semiconductor substrate having a pixel region including a photoelectric conversion portion, a wiring portion including a conductor line and disposed on the semiconductor substrate with an insulating film therebetween, a metal pad connected to the conductor line, a pad-coating insulating film coating the metal pad, and a waveguide material layer. The wiring portion and the pad-coating insulating film each have an opening therein over the photoelectric conversion portion, and the openings continue from each other to define a waveguide opening having an open side and a closed side. The waveguide material layer is disposed in the waveguide opening and on the pad-coating insulating film with a passivation layer therebetween. The pad-coating insulating film has a thickness of 50 to 250 nm and a face defining the opening. The face is slanted so as to diverge toward the open side of the opening. | 01-14-2010 |
20100245648 | SOLID-STATE IMAGING DEVICE AND IMAGING APPARATUS - An imaging device includes a basic cell having two or more the pixels that share floating diffusion. The imaging device also includes a transistor shared by the two or more pixels in the basic cell and arranged on the outside of the two or more pixels. The imaging device further includes a light receiving unit connected to the floating diffusion shared by the pixels in the basic cell through a transfer gate. In the imaging device, on-chip lenses are arranged substantially at regular intervals. Also, an optical waveguide is formed so that the position thereof in the surface of the solid-state imaging device is located at a position shifted from the center of the light receiving unit to the transistor and in the inside of the light receiving unit and the inside of the on-chip lens. | 09-30-2010 |
20100302922 | INFORMATION RECORDING DEVICE, METHOD, AND COMPUTER PROGRAM - An information recording device ( | 12-02-2010 |
20100309762 | OPTICAL DISC RECORDING APPARATUS AND METHOD, AND COMPUTER PROGRAM - An information recording apparatus ( | 12-09-2010 |
20100309763 | OPTICAL DISC RECORDING DEVICE, METHOD, AND COMPUTER PROGRAM - An information recording apparatus ( | 12-09-2010 |
20130234220 | SOLID-STATE IMAGING DEVICE AND IMAGING APPARATUS - An imaging device includes a basic cell having two or more the pixels that share floating diffusion. The imaging device also includes a transistor shared by the two or more pixels in the basic cell and arranged on the outside of the two or more pixels. The imaging device further includes a light receiving unit connected to the floating diffusion shared by the pixels in the basic cell through a transfer gate. In the imaging device, on-chip lenses are arranged substantially at regular intervals. Also, an optical waveguide is formed so that the position thereof in the surface of the solid-state imaging device is located at a position shifted from the center of the light receiving unit to the transistor and in the inside of the light receiving unit and the inside of the on-chip lens. | 09-12-2013 |
Junichi Furukawa, Saitama JP
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20090135685 | ABERRATION CORRECTING APPARATUS AND PROGRAM FOR CORRECTING ABERRATION - An aberration correcting apparatus is provided, which is capable of suppressing occurrence of abnormal operation in an actuator for a tracking servo by reducing track cross noise caused by astigmatism in a 45-degree direction in which influence is exerted on the tracking servo. | 05-28-2009 |
20090232174 | SEMICONDUCTOR LASER DRIVING DEVICE AND SEMICONDUCTOR LASER DRIVING METHOD - A semiconductor laser driving device is mounted on an information recording/reproducing device or the like, and is suitably used for recording and reproducing information. The semiconductor laser driving device is provided with a semiconductor laser for emitting laser beams, and a temperature detecting means for detecting a temperature of the semiconductor laser, and changes an output of the laser beams based on the detected temperature. Thus, the semiconductor laser driving means can suitably improve response characteristics of the semiconductor laser, irrespective of the temperature of the semiconductor laser. Therefore, the semiconductor laser driving device can ensure recording performance to an optical disc without being affected by the temperature of the semiconductor laser. | 09-17-2009 |
20090252004 | LIGHT BEAM OUTPUT CONTROL DEVICE, LIGHT BEAM EMISSION CONTROL PROGRAM, AND RECORDING MEDIUM ON WHICH LIGHT BEAM EMISSION CONTROL PROGRAM IS RECORDED - A light beam output control device is provided, which can adequately perform a negative feedback control for different light beams. | 10-08-2009 |
20100157755 | OPTICAL RECORDING/REPRODUCING METHOD, SYSTEM, AND PROGRAM - A data recording/reproducing system ( | 06-24-2010 |
20100232271 | OPTICAL RECORDING/REPRODUCING METHOD, SYSTEM, AND PROGRAM - An optical recording/reproducing system | 09-16-2010 |
Junichi Furukawa, Tokorozawa-Shi JP
Patent application number | Description | Published |
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20100008198 | OPTICAL RECORDING/REPRODUCING METHOD, SYSTEM, AND PROGRAM - An optical recording/reproducing system | 01-14-2010 |
20110141866 | TRACKING SIGNAL GENERATION DEVICE AND METHOD, REPRODUCTION DEVICE AND METHOD, AND COMPUTER PROGRAM - A tracking signal generating apparatus is provided with: a reading device for reading reflected light of a laser beam applied onto a recording medium, thereby obtaining a resulting read signal; an amplitude-limiting device for limiting an amplitude level of the read signal by a predetermined amplitude value, thereby obtaining an amplitude limit signal; a filtering device for performing a high-frequency emphasis filtering process on the amplitude limit signal, thereby obtaining an equalization-corrected signal; and a generating device for performing a phase comparison process on the equalization-corrected signal, thereby generating the tracking signal. | 06-16-2011 |
Junichi Furukawa, Osaka JP
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20080294908 | Recording Device, Content Key Processing Device, Recording Medium, and Recording Method - A recording device has a content encryption unit for writing a content encrypted with a content key in a recording medium, and a key encryption unit for encrypting the content key and writing the encrypted content key in the recording medium. A content key processing device has a key decryption unit that decrypts the content key that has been encrypted and recorded in a recording medium, and a key encryption unit that re-encrypts the decrypted content key with predetermined information and writes the re-encrypted content key in the recording medium. | 11-27-2008 |
20090022320 | CONTENT COPYING DEVICE AND CONTENT COPYING METHOD - A content copying device has a mutual authentication section that performs a mutual authentication with a copy source recording medium and a copy destination recording medium respectively and generates a first medium unique key and a second medium unique key, a content key decrypting section that reads an encrypted content key from the copy source recording medium, and decrypts the encrypted content key using information based on the first medium unique key, a content key encrypting section that encrypts the decrypted content key using information based on the second medium unique key and writes the encrypted content key onto the copy destination recording medium, and a content copying section that reads an encrypted content from the copy source recording medium and writes the content onto the copy destination recording medium without performing decryption. | 01-22-2009 |
Junichi Furukawa, Kawasaki JP
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20110188361 | RECORDING DEVICE AND METHOD, AND COMPUTER PROGRAM - A recording apparatus includes: a recording device for recording data onto a recording medium by applying a laser beam whose power can be adjusted; a first controlling device controlling the recording device to record calibration data while adjusting power; a first detecting device detecting calibration data recording quality; a second detecting device detecting push-pull signal amplitude by reading the calibration data; a first calculating device calculating a power by which the recording quality is desired quality, as a first optimum power; a second calculating device calculating a power by which the amplitude of the recorded push-pull signal satisfies a first condition and by which the recording quality satisfies a second condition, as a second optimum power, if the push-pull amplitude fails the first condition; and a second controlling device controlling the recording device to start recording record data by applying the laser beam with the first or second optimum power. | 08-04-2011 |
Junichi Furukawa, Yokohama-Shi JP
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20130280399 | MALT BEVERAGE HAVING REDUCED WORT OFF-FLAVOR AND PROCESS FOR PRODUCTION THEREOF - A production process of an alcohol-free beer-like malt beverage is disclosed. The process comprises reducing the off-flavor originated from wort by adding terpene. The process provides an alcohol-free beer-like malt beverage having an unpleasant wort off-flavor reduced. | 10-24-2013 |
Junichi Furukawa, Tokyo JP
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20150072285 | TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND MANUFACTURING METHOD THEREOF - According to one implementation, a toner includes a toner mother particle and a convex portion on a surface of the toner mother particle. The toner mother particle includes at least a resin (1). The convex portion is formed from a resin particle including at least a resin (2). An average value of a length of a long side of the convex portion is within a range of 0.1 to 0.5 μm. A ratio between a Young's modulus of a non-convex portion of the toner mother particle (ER (1)) and a Young's modulus of a convex portion of the toner mother particle (ER (2)) is a value (ER (1)/ER (2)) within the range of 1.2 to 2.0. | 03-12-2015 |