Patents by Inventor Masaki Yamamoto

Masaki Yamamoto 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).

  • Patent number: 8794982
    Abstract: Disclosed is an electric junction box capable of preventing an electric wire from entering into a second housing and contacting with an electric wire crimped part, and of allowing a bus bar smoothly to insert into a frame. The electric wire includes a frame and a bus bar. The bus bar includes a plate part, a plurality of terminals projecting in parallel with each other from one end of the plate, and an electric wire crimped part projecting from the other end of the plate. The frame includes a first housing accommodating the plate part and the plurality of terminals, and a second housing projecting from an end of the first housing and accommodating the electric wire crimped part. A tubular peripheral wall composing the second housing includes a slit passing the bus bar therethrough upon the bus bar being inserted into the frame.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: August 5, 2014
    Assignee: Yazaki Corporation
    Inventors: Masaki Yamamoto, Kazutoshi Kurachi, Kei Tomita
  • Patent number: 8767516
    Abstract: In an optical information storage medium reproduction apparatus for reproducing an optical information storage medium including a plurality of information recording layers each including a recording mark having a length shorter than an optical system resolution limit, reproduction laser power for reading an information recording layer closest to a reproduction-laser-incident surface of the optical information storage medium is set to be lower than reproduction laser power for reading an information recording layer farthest from the reproduction-laser-incident surface but not lower than minimum reproduction laser power that satisfies a reproduction signal characteristic that the optical information storage medium reproduction apparatus requires.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: July 1, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masaki Yamamoto, Hirohisa Yamada, Yasuhiro Harada, Go Mori, Hideharu Tajima, Shigemi Maeda, Yoshiteru Murakami
  • Publication number: 20140175260
    Abstract: A solar tracker comprises: a measuring section which measures the quantity of electric power generated by a solar panel; a solar position getting section which gets information about the theoretical solar position; a driving section which changes the orientation of the solar panel; a dither control section which measures a solar position; a positional shift measuring section which measures a solar positional shift between the measured solar position and the theoretical solar position. The driving section corrects the theoretical solar position based on the estimated attitude error and controls the orientation of the solar panel based on the theoretical position corrected.
    Type: Application
    Filed: February 27, 2014
    Publication date: June 26, 2014
    Applicant: Panasonic Corporation
    Inventors: Ryutaro FUTAKUCHI, Masaki YAMAMOTO
  • Publication number: 20140169149
    Abstract: An optical information recording medium has a first information recording layer (20) and a second information recording layer (40) each of which includes (i) a group of pre-pits (31, 51) constituting marks (32, 52) and spaces (33, 53) and (ii) a super-resolution film (23, 43), the marks (32, 52) and the spaces (33, 53) having different lengths, an average length of a smallest mark that is smallest in length and a smallest space that is smallest in length being less than or equal to a resolution limit of a reproduction optical system for reproducing information recorded on the first information recording layer (20) and the second information recording layer (40), the group of pre-pits (31, 51) being formed so that a push-pull signal for the reproduction optical system to reproduce the information recorded by the group of pre-pits is negative in polarity. This provides an inexpensive and high-capacity multilayer optical information recording medium based on a super-resolution technology.
    Type: Application
    Filed: February 19, 2014
    Publication date: June 19, 2014
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Hideharu TAJIMA, Go MORI, Yasuhiro HARADA, Masaki YAMAMOTO, Hirohisa YAMADA, Masahito KONISHI
  • Publication number: 20140160910
    Abstract: An optical recording medium includes: a medium information region on which medium identification information is recorded; a content region on which content information is recorded; and a blank region provided between the medium information region and the content region and in which at least two tracks are provided so as to connect a train of prepits in the medium information region and a train of prepits in the content region. No information is recorded on the blank region. Thus, an optical recording medium is provided in which a region on which medium identification information is recorded and a region on which content information is recorded are different in track pitch and in which a reproduction error hardly occurs when reproduction shifts from the region on which the medium identification information is recorded to the region on which the content information is recorded.
    Type: Application
    Filed: February 18, 2014
    Publication date: June 12, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Toshihiko Sakai, Hirohisa Yamada, Masaki Yamamoto, Yasuhiro Harada, Go Mori, Hideharu Tajima, Nobuyuki Takamori
  • Patent number: 8705333
    Abstract: A super-resolution optical recording medium includes: a medium information region on which medium identification information is recorded; a content region on which content information is recorded; and a blank region provided between the medium information region and the content region and in which at least two tracks are provided so as to connect a train of prepits in the medium information region and a train of prepits in the content region. No information is recorded on the blank region. Thus a super-resolution optical recording medium is provided in which a region on which medium identification information is recorded and a region on which content information is recorded are different in track pitch and in which a reproduction error hardly occurs when reproduction shifts from the region on which the medium identification information is recorded to the region on which the content information is recorded.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: April 22, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Toshihiko Sakai, Hirohisa Yamada, Masaki Yamamoto, Yasuhiro Harada, Go Mori, Hideharu Tajima, Nobuyuki Takamori
  • Publication number: 20140105560
    Abstract: A light guide body includes: a light incident portion on which light is incident; a light guiding portion which is adapted to guide the light incident on the light incident portion; and a light emitting portion which is adapted to emit the light guided by the light guiding portion. One of the light incident portion and the light guiding portion is extended in a first direction, and the light emitting portion is extended in a second direction which is perpendicular to the first direction.
    Type: Application
    Filed: May 18, 2012
    Publication date: April 17, 2014
    Applicant: Yamaha Corporation
    Inventors: Yoshiaki Kawaida, Masaki Yamamoto
  • Patent number: 8699313
    Abstract: An optical information recording medium has a first information recording layer (20) and a second information recording layer (40) each of which includes (i) a group of pre-pits (31, 51) constituting marks (32, 52) and spaces (33, 53) and (ii) a super-resolution film (23, 43), the marks (32, 52) and the spaces (33, 53) having different lengths, an average length of a smallest mark that is smallest in length and a smallest space that is smallest in length being less than or equal to a resolution limit of a reproduction optical system for reproducing information recorded on the first information recording layer (20) and the second information recording layer (40), the group of pre-pits (31, 51) being formed so that a push-pull signal for the reproduction optical system to reproduce the information recorded by the group of pre-pits is negative in polarity. This provides an inexpensive and high-capacity multilayer optical information recording medium based on a super-resolution technology.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: April 15, 2014
    Assignees: Sharp Kabushiki Kaisha, Memory-Tech Corporation
    Inventors: Hideharu Tajima, Go Mori, Yasuhiro Harada, Masaki Yamamoto, Hirohisa Yamada, Masahito Konishi
  • Patent number: 8691357
    Abstract: A pressure-sensitive adhesive sheet 1 for an optical data recording medium D1 from which a signal with a mark length shorter than the resolution limit of an optical system of a reproducing device is capable of being reproduced by reproduction light emitted during reproducing, the pressure-sensitive adhesive sheet 1 having an adhesive transparent resin layer 11 to be disposed on an data recording layer 3 of the optical data recording medium D1, the transparent resin layer 11 having a (meth)acrylate copolymer containing no acidic group as a main component, the transparent resin layer 11 having a storage elastic modulus at 23° C. of 1.5×105 Pa or less and a gel fraction of 68 wt % or more.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: April 8, 2014
    Assignees: Lintec Corporation, Sharp Corporation
    Inventors: Naoki Taya, Takehito Nakayama, Hideharu Tajima, Yasuhiro Harada, Masaki Yamamoto, Hirohisa Yamada
  • Publication number: 20140065894
    Abstract: The invention provides a bus bar, which includes an elongated base plate, a plurality of tuning fork-shaped terminal portions and a plurality of plate-shaped terminal portions both extending from one lateral end of the elongated base plate, a terminal-protecting portions being perpendicular to the elongated base plate and extending from both longitudinal ends of the elongated base plate, and an electric wire-crimping portion extending from the other lateral end of the elongated base plate.
    Type: Application
    Filed: September 4, 2013
    Publication date: March 6, 2014
    Applicant: YAZAKI CORPORATION
    Inventors: Masaki Yamamoto, Kazutoshi Kurachi, Kei Tomita
  • Publication number: 20140060877
    Abstract: An electrical junction box includes a frame, a bus bar and a relay to be mounted to the frame, a junction terminal interconnecting a plate-like terminal portion of the bus bar and a plate-like terminal portion of the relay. The junction terminal includes a tubular portion having a pair of opposing walls and a spring portion arranged in the tubular portion such that the plate-like terminal portion of the bus bar inserted into the tubular portion from one side is sandwiched between the spring portion and one opposing wall and the plate-like terminal portion of the electronic component inserted into the tubular portion from the other side is sandwiched between the spring portion and the other opposing wall. The frame includes a receiving portion allowing the junction terminal to enter only when it is in correct position and an engagement portion holding the junction terminal inserted into the receiving portion.
    Type: Application
    Filed: September 4, 2013
    Publication date: March 6, 2014
    Applicant: YAZAKI CORPORATION
    Inventors: Masaki Yamamoto, Kazutoshi Kurachi, Kei Tomita
  • Publication number: 20140041928
    Abstract: An electrical junction box includes: a case main body provided with a wire receiver for receiving an end of an electric wire at a lower surface side; and a lower cover for covering the lower surface. Further, the electric wire is routed in between the lower surface of the case main body and the lower cover, and guided out from a wire outlet composed of a notch and a projecting piece. A biting prevention piece is projected from an edge of the lower cover toward the lower surface. A receiving groove for receiving the biting prevention piece is provided on an inside of a peripheral wall of the case main body. After the tip of the biting prevention piece pushing aside the electric wires to an inside of the case main body is inserted into the receiving groove, the lower cover is attached to the case main body.
    Type: Application
    Filed: July 15, 2013
    Publication date: February 13, 2014
    Inventors: Masaki Yamamoto, Kazutoshi Kurachi, Kei Tomita
  • Publication number: 20140045351
    Abstract: Disclosed is an electric junction box capable of preventing an electric wire from entering into a second housing and contacting with an electric wire crimped part, and of allowing a bus bar smoothly to insert into a frame. The electric wire includes a frame and a bus bar. The bus bar includes a plate part, a plurality of terminals projecting in parallel with each other from one end of the plate, and an electric wire crimped part projecting from the other end of the plate. The frame includes a first housing accommodating the plate part and the plurality of terminals, and a second housing projecting from an end of the first housing and accommodating the electric wire crimped part. A tubular peripheral wall composing the second housing includes a slit passing the bus bar therethrough upon the bus bar being inserted into the frame.
    Type: Application
    Filed: June 27, 2013
    Publication date: February 13, 2014
    Inventors: Masaki Yamamoto, Kazutoshi Kurachi, Kei Tomita
  • Publication number: 20140022878
    Abstract: This invention allows super-resolution reproduction with which a better bER value is attainable, when information is recorded by a random pattern including a mark length not longer than a resolution limit, by use of a highly versatile signal decoding method. Information is recorded as marks and spaces coded by RLL(1,7) modulation, which each of the marks and spaces have one of a plurality of lengths, and 2T marks and 2T spaces of the marks and spaces being formed are shorter than 0.12 ?m. An information recording layer (20) includes a reproduction film (21) and a reflective film (22) which are provided in this order from a side from which reproducing light is incident, which reproduction film is made of (i) zinc oxide, (ii) strontium titanate, (iii) titanium oxide, (iv) cerium oxide, or (v) a material including at least one of the (i) through (iv), and which reflective film is made of tantalum or titanium.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Go Mori, Hirohisa Yamada, Masaki Yamamoto, Yasuhiro Harada, Hideharu Tajima, Shigemi Maeda, Yoshiteru Murakami
  • Publication number: 20140010057
    Abstract: A super-resolution optical recording medium (10) of the present invention includes: a medium information region (1) on which medium identification information is recorded; a content region (3) on which content information is recorded; and a blank region (2) provided between the medium information region (1) and the content region (3) and in which at least two tracks are provided so as to connect a train of prepits in the medium information region (1) and a train of prepits in the content region (3). No information is recorded on the blank region (2). With this arrangement, the present invention provides a super-resolution optical recording medium in which a region on which medium identification information is recorded and a region on which content information is recorded are different in track pitch and in which a reproduction error hardly occurs when reproduction shifts from the region on which the medium identification information is recorded to the region on which the content information is recorded.
    Type: Application
    Filed: September 16, 2013
    Publication date: January 9, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Toshihiko Sakai, Hirohisa Yamada, Masaki Yamamoto, Yasuhiro Harada, Go Mori, Hideharu Tajima, Nobuyuki Takamori
  • Patent number: 8625397
    Abstract: A reproduction method for reproducing a rewritable and readable optical information storage medium in such a manner that an information recording layer is disclosed. The reproduction method comprising: reading setting information of reproduction laser power for each information recording layer of the rewritable and readable optical information storage medium, the setting information being stored in the rewritable and readable optical information storage medium; and setting, based on the setting information thus read, reproduction laser power for the information recording layer that is closest to a reproduction-laser-incident surface to be not less than 1.0 mW but less than 1.1 mW.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: January 7, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masaki Yamamoto, Hirohisa Yamada, Yasuhiro Harada, Go Mori, Hideharu Tajima, Shigemi Maeda, Yoshitoru Murakami
  • Publication number: 20140003565
    Abstract: An apparatus detects, from symbol data of a predetermined communication scheme that is input via a common public radio interface (CPRI) at a first rate indicating a chip rate for the CPRI, a timing at which a clock phase matches between the first rate and a second rate indicating a symbol rate for the predetermined communication scheme, where the CPRI is an internal interface for a radio communication apparatus. The apparatus changes, at the timing, a clock rate for transmitting the symbol data, from the first rate to the second rate.
    Type: Application
    Filed: June 7, 2013
    Publication date: January 2, 2014
    Inventor: Masaki YAMAMOTO
  • Publication number: 20130317647
    Abstract: There is provided a control apparatus for a drive mechanism driven by a pneumatic artificial muscle, the control apparatus including a pressure controller that controls pressure of the pneumatic artificial muscle, a desired pressure calculator that calculates, based on a pneumatic artificial muscle model, a desired pressure of the pneumatic artificial muscle in order to control motion of the drive mechanism, a pneumatic artificial muscle model error estimator that estimates aging variation in a contraction percentage error between the pneumatic artificial muscle and the pneumatic artificial muscle model, a pneumatic artificial muscle model updater that updates the pneumatic artificial muscle model so as to reflect the aging variation based on an estimation result of the pneumatic artificial muscle model error estimator, and a lifetime predictor that predicts a lifetime of the pneumatic artificial muscle based on the estimation result of the pneumatic artificial muscle model error estimator.
    Type: Application
    Filed: July 30, 2013
    Publication date: November 28, 2013
    Applicant: Panasonic Corporation
    Inventors: Yasunao OKAZAKI, Masaki YAMAMOTO
  • Patent number: 8582412
    Abstract: This invention allows super-resolution reproduction with which a better bER value is attainable, when information is recorded by a random pattern including a mark length not longer than a resolution limit, by use of a highly versatile signal decoding method. Information is recorded as marks and spaces coded by RLL(1,7) modulation, which each of the marks and spaces have one of a plurality of lengths, and 2T marks and 2T spaces of the marks and spaces being formed are shorter than 0.12 ?m. An information recording layer (20) includes a reproduction film (21) and a reflective film (22) which are provided in this order from a side from which reproducing light is incident, which reproduction film is made of (i) zinc oxide, (ii) strontium titanate, (iii) titanium oxide, (iv) cerium oxide, or (v) a material including at least one of the (i) through (iv), and which reflective film is made of tantalum or titanium.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: November 12, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Go Mori, Hirohisa Yamada, Masaki Yamamoto, Yasuhiro Harada, Hideharu Tajima, Shigemi Maeda, Yoshiteru Murakami
  • Patent number: 8576688
    Abstract: An optical data recording medium, in which irradiation of a light beam is used for recording and/or reproducing data includes (i) a substrate having an a rise and/or a recess which are a light-incident surface, (ii) a reflective layer, provided on the light-incident surface of the substrate, for reflecting the light beam, (iii) a light absorption layer for converting, to heat, a light of the light beam to heat on the surface of the reflective layer, (iv) a reproducing layer, provided on the surface of the heat-light converting layer, having a transmittance that changes in accordance with a light intensity distribution of the light beam. The optical data recording medium is excellent in super-resolution property, and enables reproduction of a shorter mark length.
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: November 5, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hideharu Tajima, Nobuyuki Takamori, Go Mori, Masaki Yamamoto