Patents by Inventor Yuji Kubota
Yuji Kubota 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: 20100054103Abstract: An optical information recording/reproducing apparatus includes a spatial light modulator that converts an irradiation beam emitted from a light source to a single information beam that carries information; an optical system that causes the single information beam to be collected on an optical-information recording medium including an information recording layer capable of recording the information as hologram by using interference fringes produced due to interference between the single information beam and a plurality of reference beams, and causes each of the reference beams to be irradiated to the optical-information recording medium from mutually different directions so as to intersect with the single information beam in the information recording layer; and a controller that controls to cause the light source to emit the irradiation beam and performs angular multiplexing recording of the information in the information recording layer while controlling to drive either one of the optical-information recordiType: ApplicationFiled: March 24, 2009Publication date: March 4, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shinichi Tatsuta, Masataka Shiratsuchi, Hideaki Okano, Yuji Kubota
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Patent number: 7664001Abstract: A method of holographic recording and reproduction includes recording to the holographic recording medium a wavelength variation reference pattern which is recorded as a hologram at a wavelength of the recording beam, recording to the holographic recording medium a page data pattern as a hologram at the wavelength of the recording beam, detecting the wavelength variation between the recording beam and the reproducing beam based on the size of an image for wavelength variation reference obtained by reproducing the wavelength variation reference pattern at a wavelength of the reproducing beam, and reproducing the page data pattern using the reproducing beam with a wavelength controlled based on the detected wavelength variation.Type: GrantFiled: January 24, 2006Date of Patent: February 16, 2010Assignee: Kabushiki Kaish ToshibaInventors: Akiko Hirao, Yuji Kubota, Kazuki Matsumoto, Naru Ikeda, Yoshinori Honguh, Yuzo Hirayama, Tatsuo Saishu, Junichi Akiyama
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Patent number: 7635459Abstract: Disclosed is a method of removing nitric acid from an aqueous liquid containing various components such as vegetable extract, and nitrate ion is removed selectively without spoiling the taste or other components, by subjecting the aqueous liquid to chromatographic treatment with an amphoteric ion exchanger to separate nitrate ion from other components contained in the aqueous liquid. A nitric acid-reduced drink is produced by preparing a raw drink material comprising an extract or juice of plant tissue; removing nitric acid from the raw drink material with use of the method of removing nitric acid from an aqueous liquid as described above; and preparing a drink using the raw drink material after the removing of nitric acid.Type: GrantFiled: September 20, 2005Date of Patent: December 22, 2009Assignee: ITO EN, Ltd.Inventors: Takanobu Takihara, Yuji Kubota
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Publication number: 20090156112Abstract: A toxic gas exposure preventing system for an anatomic practice room is provided which not only can obtain a satisfactory toxic gas exposure preventing effect without impairing workability but also permits the use of existing dissecting tables as they are without requiring any special work such as an exhaust duct installing work. A push hood having a uniform air flow blow-off mechanism and a pull hood having an air flow suction/exhaust mechanism are disposed independently of each of the dissecting tables in such a manner that at least a portion of a uniform air flow passes in contact with a donor body on the dissecting table and is thereafter sucked into the pull hood. Further, a filter having a toxic gas adsorbing function is installed within the pull hood.Type: ApplicationFiled: October 30, 2006Publication date: June 18, 2009Applicant: KOKEN LTD.Inventors: Yuji Kubota, Yuki Fujishiro
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Patent number: 7545729Abstract: An optical-information recording medium includes a substrate that includes a servo surface; an information recording layer laminated on the servo surface of the substrate capable of recording information as a hologram produced by interference between an information beam containing the information and a reference beam; a tracking servo area that is formed in a track direction on the servo surface, and that records therein tracking information for tracking servo control; and a following up servo area that is formed in the track direction on the servo surface, and that is to be irradiated by a beam emitted from an optical-information recording apparatus for recording the information in the information recording layer so as to make the beam follow a rotation of the optical-information recording medium.Type: GrantFiled: February 13, 2007Date of Patent: June 9, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Yuichiro Yamamoto, Shinichi Tatsuta, Yuji Kubota, Akiko Hirao, Kazuki Matsumoto
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Publication number: 20080239905Abstract: In a device for detecting a focus error in controlling a position in an optical axis, a laser beam is split into first and second beam components, and one of the first and second beam components is diverged or converged. Then, the first and second beam components are superposed on each other, providing a single laser beam. The single laser beam is applied to an optical data-recording medium through an objective lens. The first laser beam component is focused on a first focusing point that is set at one side of the pinhole. The second beam component is focused on a second focusing point that is set at the other side of the pinhole.Type: ApplicationFiled: March 13, 2008Publication date: October 2, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yuichiro Yamamoto, Shinichi Tatsuta, Yuji Kubota
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Publication number: 20080239921Abstract: An optical information recording medium includes a recording layer in which information can be recorded as a hologram by using a phenomenon of interference between an information light beam and a reference light beam. The recording layer is sandwiched between substrates. A thin film layer that is laminated on the substrate on light output side. Openings are formed in the recording layer and those openings allow passage of the information light beam and the reference light beam.Type: ApplicationFiled: February 6, 2008Publication date: October 2, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shinichi Tatsuta, Yuichiro Yamamoto, Yuji Kubota
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Patent number: 7426853Abstract: A concentration measuring apparatus includes a vibration member; a shielding unit that limits a flowable area of a solution to be measured close to the vibration member; a vibration control unit that vibrates the vibration member at a frequency; a variation measuring unit that measures a physical variation of the vibration member vibrated; an eigenfrequency computing unit that computes an eigenfrequency of the vibration member in the solution from the frequency and the variation; and a concentration obtaining unit that obtains a concentration of the solution from the eigenfrequency and a correspondence between the eigenfrequency and the concentration of the solution.Type: GrantFiled: January 27, 2006Date of Patent: September 23, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Yuji Kubota, Kei Masunishi
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Publication number: 20080032689Abstract: A mobile phone has: a close-range communication control section that performs close-range wireless communication with other mobile phones; a forwarding destination storage section that stores a forwarding destination list in which phone numbers of telephones capable of accepting forwarding are recorded; and a close-range wireless communication monitoring section that causes the close-range wireless communication section to perform close-range wireless communication and monitors establishment of close-range wireless communication with a forwarding acceptance telephone having a phone number that matches any of the phone numbers in the forwarding destination list. The mobile phone also has an incoming call forwarding destination notification section that notifies the phone number of a forwarding acceptance telephone, with which close-range wireless communication by the close-range wireless communication section has been established, to the call forwarding service center as a forwarding destination phone number.Type: ApplicationFiled: September 28, 2007Publication date: February 7, 2008Applicant: FUJITSU LIMITEDInventors: Yuji Kubota, Masami Musha, Junichi Joho, Yusuke Takahashi, Hitoshi Yokomaku, Takanori Ito, Fuminori Yahagi
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Publication number: 20070228588Abstract: The invention provides an apparatus for producing molecular membranes or particles, having a) a fluid supplying member configured to store a fluid, b) a plunger unit configured to extrude the fluid from the fluid supplying member, and c) an emulsifier holding member having at least two or more through-holes for holding an emulsifier, the through-holes allowing the fluid extruded from the fluid supplying member to pass therethrough, the emulsifier holding member being attachable to and detachable from the fluid supplying member.Type: ApplicationFiled: March 19, 2007Publication date: October 4, 2007Inventors: Yasuko Noritomi, Hidetaka Noritomi, Yuji Kubota, Takahiro Suzuki
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Publication number: 20070230292Abstract: An optical-information recording medium includes a substrate that includes a servo surface having a servo pattern thereon; an information recording layer laminated on the servo surface of the substrate capable of recording information as a hologram produced by interference between an information beam containing the information and a reference beam; an address servo area that is formed as a part of the servo pattern, and that records therein address information and clock information for aligning a beam, emitted from an optical-information recording apparatus for recording information in the information recording layer, to a target position in the information recording layer; and a following up servo area that is formed as a part of the servo pattern, and that is to be irradiated by the beam to make the beam follow a rotation of the optical-information recording medium.Type: ApplicationFiled: February 22, 2007Publication date: October 4, 2007Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yuichiro Yamamoto, Shinichi Tatsuta, Yuji Kubota, Akiko Hirao, Kazuki Matsumoto
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Publication number: 20070230317Abstract: An optical information recording medium in which a inner layer is sandwiched between supporting plates and a number of recording portions formed of a recording material capable of recording information in the form of a hologram are rotatably arranged in the inner layer. The recording portion is rotated by electrifying its surface and an information beam and a reference beam are directed onto it from different angles to carry out angle multiplex recording. The surface of the recording portion is color coded with at least two colors. The color coding and rotation of the recording portions allow characters or images to be displayed. Electronic equipment using such an optical information recording medium is provided.Type: ApplicationFiled: March 15, 2007Publication date: October 4, 2007Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shinichi Tatsuta, Yuji Kubota, Kazuki Matsumoto
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Publication number: 20070223326Abstract: An optical-information recording medium includes a substrate that includes a servo surface; an information recording layer laminated on the servo surface of the substrate capable of recording information as a hologram produced by interference between an information beam containing the information and a reference beam; a tracking servo area that is formed in a track direction on the servo surface, and that records therein tracking information for tracking servo control; and a following up servo area that is formed in the track direction on the servo surface, and that is to be irradiated by a beam emitted from an optical-information recording apparatus for recording the information in the information recording layer so as to make the beam follow a rotation of the optical-information recording medium.Type: ApplicationFiled: February 13, 2007Publication date: September 27, 2007Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yuichiro Yamamoto, Shinichi Tatsuta, Yuji Kubota, Akiko Hirao, Kazuki Matsumoto
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Publication number: 20070112499Abstract: An adjustment unit identifies a front-rear driving force distribution control unit and a braking force control unit, and calculates based on the current vehicle state, a target yaw moment required for each of the front-rear driving force distribution control unit and braking force control unit. Then, based on the current operating state of each of the control units, a control correction value for each unit is calculated in consideration of the maximum value, and outputted.Type: ApplicationFiled: November 7, 2006Publication date: May 17, 2007Inventors: Koji Matsuno, Keisuke Hosokawa, Koichi Inoue, Shigeo Usui, Yuji Kubota, Eiji Shibata, Hiroyuki Sekiguchi, Masaru Kogure
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Publication number: 20070087728Abstract: Specific information that can be stored in a mobile terminal device, changes over time, cannot be altered when a lock operation is requested, and can be acquired by an owner, such as a last-dialed telephone number, is managed as owner-specific authentication information, and, when an e-mail requesting a lock operation is extracted, a lock number for authentication for locking the mobile terminal device is calculated by using the owner-specific authentication information as a parameter.Type: ApplicationFiled: January 31, 2006Publication date: April 19, 2007Applicant: FUJITSU LIMITEDInventors: Junichi Joho, Yuji Kubota
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Publication number: 20060218995Abstract: A concentration measuring apparatus includes a vibration member; a shielding unit that limits a flowable area of a solution to be measured close to the vibration member; a vibration control unit that vibrates the vibration member at a frequency; a variation measuring unit that measures a physical variation of the vibration member vibrated; an eigenfrequency computing unit that computes an eigenfrequency of the vibration member in the solution from the frequency and the variation; and a concentration obtaining unit that obtains a concentration of the solution from the eigenfrequency and a correspondence between the eigenfrequency and the concentration of the solution.Type: ApplicationFiled: January 27, 2006Publication date: October 5, 2006Inventors: Yuji Kubota, Kei Masunishi
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Publication number: 20060215528Abstract: A method of holographic recording and reproduction includes recording to the holographic recording medium a wavelength variation reference pattern which is recorded as a hologram at a wavelength of the recording beam, recording to the holographic recording medium a page data pattern as a hologram at the wavelength of the recording beam, detecting the wavelength variation between the recording beam and the reproducing beam based on the size of an image for wavelength variation reference obtained by reproducing the wavelength variation reference pattern at a wavelength of the reproducing beam, and reproducing the page data pattern using the reproducing beam with a wavelength controlled based on the detected wavelength variation.Type: ApplicationFiled: January 24, 2006Publication date: September 28, 2006Inventors: Akiko Hirao, Yuji Kubota, Kazuki Matsumoto, Naru Ikeda, Yoshinori Honguh, Yuzo Hirayama, Tatsuo Saishu, Junichi Akiyama
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Publication number: 20060060537Abstract: Disclosed is a method of removing nitric acid from an aqueous liquid containing various components such as vegetable extract, and nitrate ion is removed selectively without spoiling the taste or other components, by subjecting the aqueous liquid to chromatographic treatment with an amphoteric ion exchanger to separate nitrate ion from other components contained in the aqueous liquid. A nitric acid-reduced drink is produced by preparing a raw drink material comprising an extract or juice of plant tissue; removing nitric acid from the raw drink material with use of the method of removing nitric acid from an aqueous liquid as described above; and preparing a drink using the raw drink material after the removing of nitric acid.Type: ApplicationFiled: September 20, 2005Publication date: March 23, 2006Applicant: ITO EN, LTD.Inventors: Takanobu Takihara, Yuji Kubota
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Patent number: 6496482Abstract: The present invention relates to the art of making a connection between communication terminals, taking a quality of service (QoS) into consideration in a network formed by interconnection among a plurality of switches (element units) accommodating the communication terminals.Type: GrantFiled: February 23, 1999Date of Patent: December 17, 2002Assignee: Fujitsu LimitedInventor: Yuji Kubota
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Patent number: 6128166Abstract: According to this invention, there is provided a magnetic recording/reproducing system having a recording head for recording a signal in a magnetic recording medium along recording tracks having a predetermined track pitch and a reproducing head for reproducing the recorded signal. A relationship between a recording track width Tw of the recording head and a reproduction width Tr of the reproducing head is defined as Tr>Tw. When conditions g<(1500/Hc-Hc/4000.pi.+0.3)/(Hc/400.pi.-1/2) and g.gtoreq.(1500/Hc-Hc/4000.pi.+0.3-Tp+Tw)/(Hc/400.pi.-1/2) are satisfied, an erase region is formed between the recording tracks. In this case, the gap length of the recording head is represented by g [.mu.m], the recording track width is represented by Tw [.mu.m], the track pitch is represented by Tp [.mu.m], and the coercive force of the recording medium is represented by Hc [Oe].Type: GrantFiled: May 18, 1995Date of Patent: October 3, 2000Assignee: Kabushiki Kaisha ToshibaInventors: Yoichiro Tanaka, Norio Nakamura, Kazunori Moriya, Yuji Kubota, Takashi Hikosaka