Patents by Inventor Kazumi Sugiyama
Kazumi Sugiyama 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: 20170015253Abstract: A roof rail device includes: a main body member extending along a roof panel of a vehicle; a support member formed in a solid shape and supporting the main body member; a fixing member fixing the main body member and the support member to the roof panel; and a first seal member provided between the support member and the roof panel, wherein the support member includes a through hole, the fixing member is provided with a flange portion, a top side screw portion is formed in a top surface of the flange portion, a bottom side screw portion is formed in a bottom surface of the flange portion, and the top side screw portion is fastened to the main body member, the bottom side screw portion is inserted into the through hole, and the bottom side screw portion is fastened to the roof panel.Type: ApplicationFiled: June 27, 2016Publication date: January 19, 2017Applicant: AISIN SEIKI KABUSHISIKI KAISHAInventors: Yasuhiro SHIBATA, Kazumi SUGIYAMA
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Patent number: 7826315Abstract: According to one embodiment, a focus position control method includes irradiating a beam to an optical disc via an objective lens, receiving reflected light and outputting a signal, generating a focus error signal, detecting an amplitude of a signal high-pass-filtering the signal, detecting an intensity of a signal low-pass-filtering the signal, supplying a driving voltage corresponding to the focus error signal to a drive coil configured to move the objective lens to an optical axis direction of the beam when the amplitude is larger than the first value, or when the amplitude is not larger than the first value and the intensity is smaller than the second value, and supplying a driving voltage having a constant voltage value to the drive coil when the amplitude is not larger than the first value and the intensity is not smaller than the second value.Type: GrantFiled: May 28, 2008Date of Patent: November 2, 2010Assignee: Kabushiki Kaisha ToshibaInventors: Yoshinori Tazaki, Kazumi Sugiyama
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Publication number: 20090252006Abstract: According to one embodiment, an optical disc device includes a semiconductor laser which generates laser light to irradiate an optical disc, and an automatic power control circuit which detects an optical output of the semiconductor laser, sets driving current data equalized to reflect the detection result, and drives the semiconductor laser based on the driving current data. This optical disc device further includes a protection circuit which monitors the driving current data set in the automatic power control circuit to invalidate the driving current data in a case where the abnormality of the driving current data is detected.Type: ApplicationFiled: March 31, 2009Publication date: October 8, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kazumi SUGIYAMA, Hiroshi NAKANE, Hirokazu SHOU, Tadashi KIKUTA
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Publication number: 20090161501Abstract: According to one embodiment, when a focus servo goes off and the distance between an objective lens and a recording layer of an optical disc does not coincide with a focal length of the objective lens, a control voltage or current corresponding to an optical disc wobble stored in a memory is superimposed on a control voltage or current supplied to a driving mechanism to move an objective lens along an optical axis for re-focusing, and the superimposed voltage or current is supplied to the driving mechanism. Therefore, pull-in of a focus servo for re-focusing is possible in a short time.Type: ApplicationFiled: October 21, 2008Publication date: June 25, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi Kubota, Yoshinori Tazaki, Kazumi Sugiyama
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Patent number: 7502286Abstract: A rotation correcting apparatus has a tracking servo controller which generates a tracking signal to perform a tracking servo control for guiding an optical beam spot outputted from a pickup to tracks of an optical disk and a track jump control for moving the optical beam spot to a certain track; a feed motor controller which controls a feed motor for moving the pickup to radius direction of the optical disk; a storage which stores signal component with a prescribed frequency band including a rotation frequency of the optical disk, the signal component being included in an output signal of the tracking servo controller; and a combination unit which combines the signal component stored in the storage with the tracking signal to generate an ultimate tracking signal for the tracking servo control and the tracking jump control, wherein the feed motor controller controls the feed motor based on the tracking signal generated by the tracking servo controller without using the signal component stored in the storage.Type: GrantFiled: November 26, 2004Date of Patent: March 10, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Yasuhiro Hayashi, Hiroshi Nakane, Kazumi Sugiyama
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Publication number: 20090059765Abstract: According to one embodiment, the invention provides an optical disk device having an irradiation section which applies a laser beam to an optical disk, a detection section which receives a reflected light emitted from the irradiation section and reflected from the optical disk to output a detection signal, and a discrimination section which performs focus search using the irradiation section and the detection section and determines whether the optical disk is a triple layer optical disk on the basis of the detection signal upon performing focus search.Type: ApplicationFiled: August 29, 2008Publication date: March 5, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Nobuyuki Baba, Yoshinori Tazaki, Kazumi Sugiyama, Hiroshi Nakane
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Publication number: 20090003185Abstract: According to one embodiment, an optical disc apparatus includes a laser diode configured to irradiate a laser beam onto an optical disc, a laser drive circuit configured to supply the laser diode with a laser drive current superposed with a high frequency electric current according to defined conditions of the high frequency electric current in order to turn the laser beam output from the laser diode to a multimode laser beam, a detecting section configured to detect a frequency condition of the high frequency electric current to reduce a quantity of interlayer crosstalk, and a setting section configured to set the detected condition in the laser drive circuit.Type: ApplicationFiled: June 27, 2008Publication date: January 1, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hirokazu Shou, Kazumi Sugiyama
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Publication number: 20080298212Abstract: According to one embodiment, a focus position control method includes irradiating a beam to an optical disc via an objective lens, receiving reflected light and outputting a signal, generating a focus error signal, detecting an amplitude of a signal high-pass-filtering the signal, detecting an intensity of a signal low-pass-filtering the signal, supplying a driving voltage corresponding to the focus error signal to a drive coil configured to move the objective lens to an optical axis direction of the beam when the amplitude is larger than the first value, or when the amplitude is not larger than the first value and the intensity is smaller than the second value, and supplying a driving voltage having a constant voltage value to the drive coil when the amplitude is not larger than the first value and the intensity is not smaller than the second value.Type: ApplicationFiled: May 28, 2008Publication date: December 4, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshinori Tazaki, Kazumi Sugiyama
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Publication number: 20080181091Abstract: According to one embodiment, a device which identifies the types of recording media different in recording density including, a light source which outputs light at a predetermined wavelength, a photodetector which detects reflected light from one information recording layer of a recording medium having at least two information recording layers provided with a first recording density or a second recording density higher than the first recording density, a lens which condenses the light from the light source to present a minimum spot on one of the information recording layers of the recording medium, and a signal processing circuit which acquires a component containing characteristics peculiar to the information recording layer of the recording medium having the second recording density out of the reflected light detected by the photodetector.Type: ApplicationFiled: January 30, 2008Publication date: July 31, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi Nakane, Kazumi Sugiyama, Yoshinori Tazaki
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Publication number: 20080137502Abstract: According to one embodiment, an optical disc apparatus includes a calculation unit that calculates a tilt of a disc, a determining unit that determines whether or not the tilt of the disc calculated by the calculation unit is larger than a preset predetermined reference value, and a correction unit that corrects the tilt of the disc calculated by the calculation unit.Type: ApplicationFiled: October 26, 2007Publication date: June 12, 2008Applicant: KAUSHIKI KAISHA TOSHIBAInventors: Kazumi SUGIYAMA, Nobuyuki BABA, Hiroshi NAKANE, Yoshinori TAZAKI, Satoshi SHIBATA
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Publication number: 20080123505Abstract: According to one embodiment, here is provided an optical disk apparatus including: a reading unit configured to read an address corresponding to a position of beam spot; a calculating unit configured to calculate, from the address corresponding to the position of beam spot, a seeking amount in making an access to a burst cutting area formed on a disk; and a movement unit configured to move the position of beam spot in accordance with the seeking amount calculated by the calculating unit.Type: ApplicationFiled: September 12, 2007Publication date: May 29, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Nobuyuki BABA, Kazumi SUGIYAMA, Yoshinori TAZAKI, Yuuichi SHIGEMATSU
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Publication number: 20050128898Abstract: A rotation correcting apparatus has a tracking servo controller which generates a tracking signal to perform a tracking servo control for guiding an optical beam spot outputted from a pickup to tracks of an optical disk and a track jump control for moving the optical beam spot to a certain track; a feed motor controller which controls a feed motor for moving the pickup to radius direction of the optical disk; a storage which stores signal component with a prescribed frequency band including a rotation frequency of the optical disk, the signal component being included in an output signal of the tracking servo controller; and a combination unit which combines the signal component stored in the storage with the tracking signal to generate an ultimate tracking signal for the tracking servo control and the tracking jump control, wherein the feed motor controller controls the feed motor based on the tracking signal generated by the tracking servo controller without using the signal component stored in the storage.Type: ApplicationFiled: November 26, 2004Publication date: June 16, 2005Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yasuhiro Hayashi, Hiroshi Nakane, Kazumi Sugiyama
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Patent number: 6651925Abstract: A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in winding a veneer sheet after drying on a winding surface of the take-up reel.Type: GrantFiled: September 26, 2002Date of Patent: November 25, 2003Assignee: Kabushikikaisha TaiheiseisakushoInventors: Youichi Ohshio, Yasuyuki Ohdaira, Akihiro Mizuno, Shinichi Nakagawa, Yasuyuki Kohara, Mitsumasa Narita, Hideki Kawamori, Reiji Yamada, Masanori Murakami, Kazumi Sugiyama, Tomoharu Okada
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Patent number: 6629661Abstract: A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in winding a veneer sheet after drying on a winding surface of the take-up reel.Type: GrantFiled: September 30, 2002Date of Patent: October 7, 2003Assignee: Kabushikikaisha TaiheiseisakushoInventors: Youichi Ohshio, Yasuyuki Ohdaira, Akihiro Mizuno, Shinichi Nakagawa, Yasuyuki Kohara, Mitsumasa Narita, Hideki Kawamori, Reiji Yamada, Masanori Murakami, Kazumi Sugiyama, Tomoharu Okada
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Patent number: 6619580Abstract: A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in winding a veneer sheet after drying on a winding surface of the take-up reel.Type: GrantFiled: September 23, 2002Date of Patent: September 16, 2003Assignee: Kabushikikaisha TaiheiseisakushoInventors: Youichi Ohshio, Yasuyuki Ohdaira, Akihiro Mizuno, Shinichi Nakagawa, Yasuyuki Kohara, Mitsumasa Narita, Hideki Kawamori, Reiji Yamada, Masanori Murakami, Kazumi Sugiyama, Tomoharu Okada
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Patent number: 6619579Abstract: A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in winding a veneer sheet after drying on a winding surface of the take-up reel.Type: GrantFiled: September 17, 2002Date of Patent: September 16, 2003Assignee: Kabushikikaisha TaiheiseisakushoInventors: Youichi Ohshio, Yasuyuki Ohdaira, Akihiro Mizuno, Shinichi Nakagawa, Yasuyuki Kohara, Mitsumasa Narita, Hideki Kawamori, Reiji Yamada, Masanori Murakami, Kazumi Sugiyama, Tomoharu Okada
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Patent number: 6607159Abstract: A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in winding a veneer sheet after drying on a winding surface of the take-up reel.Type: GrantFiled: September 23, 2002Date of Patent: August 19, 2003Assignee: Kabushikikaisha TaiheiseisakushoInventors: Youichi Ohshio, Yasuyuki Ohdaira, Akihiro Mizuno, Shinichi Nakagawa, Yasuyuki Kohara, Mitsumasa Narita, Hideki Kawamori, Reiji Yamada, Masanori Murakami, Kazumi Sugiyama, Tomoharu Okada
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Publication number: 20030089815Abstract: A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in winding a veneer sheet after drying on a winding surface of the take-up reel.Type: ApplicationFiled: September 23, 2002Publication date: May 15, 2003Applicant: KABUSHIKIKAISHA TAIHEISEISAKUSHOInventors: Youichi Ohshio, Yasuyuki Ohdaira, Akihiro Mizuno, Shinichi Nakagawa, Yasuyuki Kohara, Mitsumasa Narita, Hideki Kawamori, Reiji Yamada, Masanori Murakami, Kazumi Sugiyama, Tomoharu Okada
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Patent number: 6557795Abstract: A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in winding a veneer sheet after drying on a winding surface of the take-up reel.Type: GrantFiled: May 15, 2001Date of Patent: May 6, 2003Assignee: Kabushikikaisha TaiheiseisakushoInventors: Youichi Ohshio, Yasuyuki Ohdaira, Akihiro Mizuno, Shinichi Nakagawa, Yasuyuki Kohara, Mitsumasa Narita, Hideki Kawamori, Reiji Yamada, Masanori Murakami, Kazumi Sugiyama, Tomoharu Okada
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Publication number: 20030062440Abstract: A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in winding a veneer sheet after drying on a winding surface of the take-up reel.Type: ApplicationFiled: September 30, 2002Publication date: April 3, 2003Applicant: KABUSHIKIKAISHA TAIHEISEISAKUSHOInventors: Youichi Ohshio, Yasuyuki Ohdaira, Akihiro Mizuno, Shinichi Nakagawa, Yasuyuki Kohara, Mitsumasa Narita, Hideki Kawamori, Reiji Yamada, Masanori Murakami, Kazumi Sugiyama, Tomoharu Okada