Patents by Inventor Toshiki Yamanaka

Toshiki Yamanaka 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: 11945673
    Abstract: A document feeder includes a document placing tray on which a document is placed; a document discharging tray on which a document discharged from a document discharging port in a discharging direction is stacked; and a light source that radiates light to the document discharging tray. The document discharging tray is disposed below the document placing tray. The document discharging tray has a protruding portion protruding upward from the surrounding area. The light source is disposed within a region having a width that is the same as a document having a maximum size in the width direction.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: April 2, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shohichi Fukutome, Kenji Kuroda, Hironori Ogasawara, Hisashi Yamanaka, Toshiki Fukunishi
  • Patent number: 11796650
    Abstract: A light receiver includes a plurality of photoelectric conversion portions each of which includes a photoelectric conversion element configured to receive light, and a pulse generator configured to generate a pulse signal corresponding to an amount of light received by the photoelectric conversion element. The light receiver includes a plurality of bit counters each of which is configured to count the pulse signal of the pulse generator, and the plurality of bit counters are dispersed in the plurality photoelectric conversion portions.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: October 24, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Katsuyuki Sakurano, Toshiki Yamanaka
  • Publication number: 20230296369
    Abstract: A displacement measurement device includes: an irradiation unit that irradiates a measurement object with coherent light; a luminance-change coordinate point detection unit that detects a luminance-change coordinate point where a luminance change has occurred, based on light reflected from the measurement object, and outputs data related to the luminance-change coordinate point; and circuitry that calculates an amount of displacement of the measurement object, based on the data related to the luminance-change coordinate point, by performing computations of a first numerical sequence and a second numerical sequence. The first numerical sequence includes a set of first elements each representing a location of the luminance-change coordinate point extracted from the data. The second numerical-sequence includes a set of second elements each representing a location of the luminance-change coordinate point extracted from the data.
    Type: Application
    Filed: February 14, 2023
    Publication date: September 21, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Yuki Abe, Suguru Sangu, Toshiki Yamanaka, Ryo Saito
  • Publication number: 20210270939
    Abstract: A light receiver includes a plurality of photoelectric conversion portions each of which includes a photoelectric conversion element configured to receive light, and a pulse generator configured to generate a pulse signal corresponding to an amount of light received by the photoelectric conversion element. The light receiver includes a plurality of bit counters each of which is configured to count the pulse signal of the pulse generator, and the plurality of bit counters are dispersed in the plurality photoelectric conversion portions.
    Type: Application
    Filed: December 28, 2020
    Publication date: September 2, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Katsuyuki SAKURANO, Toshiki YAMANAKA
  • Patent number: 9173308
    Abstract: A mounting structure of a flexible printed circuit board and a sliding-type electronic device is provided by which a too large increase in thickness of devices can be avoided and a pair of housings can be slid relatively in a bending and slanting direction. In the mounting structure, an upper housing 12 and a lower housing 22 coupled in a freely slidable manner are electrically connected to each other by a flexible printed circuit board folded back to be routed between slide facing surfaces 12b and 22a of both the housings and the height of a side wall surface 12c and 22c of the upper housing and lower housing changes in a bending manner along the direction of freely sliding and, in the slide facing surfaces of the upper housing and lower housing, concave space portions 15 and 25 to accommodate the change in curvature and in position of a folding-back portion 31a caused by sliding motion between the upper housing and lower housing are disposed.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: October 27, 2015
    Assignee: NEC CORPORATION
    Inventors: Takahiro Sakai, Toshiki Yamanaka, Hiroshi Yamada
  • Publication number: 20150245508
    Abstract: A mounting structure of a flexible printed circuit board and a sliding-type electronic device is provided by which a too large increase in thickness of devices can be avoided and a pair of housings can be slid relatively in a bending and slanting direction. In the mounting structure, an upper housing 12 and a lower housing 22 coupled in a freely slidable manner are electrically connected to each other by a flexible printed circuit board folded back to be routed between slide facing surfaces 12b and 22a of both the housings and the height of a side wall surface 12c and 22c of the upper housing and lower housing changes in a bending manner along the direction of freely sliding and, in the slide facing surfaces of the upper housing and lower housing, concave space portions 15 and 25 to accommodate the change in curvature and in position of a folding-back portion 31a caused by sliding motion between the upper housing and lower housing are disposed.
    Type: Application
    Filed: April 10, 2015
    Publication date: August 27, 2015
    Applicant: NEC CORPORATION
    Inventors: Takahiro SAKAI, Toshiki YAMANAKA, Hiroshi YAMADA
  • Patent number: 9042109
    Abstract: A mounting structure of a flexible printed circuit board and a sliding-type electronic device is provided by which a too large increase in thickness of devices can be avoided and a pair of housings can be slid relatively in a bending and slanting direction. In the mounting structure, an upper housing 12 and a lower housing 22 coupled in a freely slidable manner are electrically connected to each other by a flexible printed circuit board folded back to be routed between slide facing surfaces 12b and 22a of both the housings and the height of a side wall surface 12c and 22c of the upper housing and lower housing changes in a bending manner along the direction of freely sliding and, in the slide facing surfaces of the upper housing and lower housing, concave space portions 15 and 25 to accommodate the change in curvature and in position of a folding-back portion 31a caused by sliding motion between the upper housing and lower housing are disposed.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: May 26, 2015
    Assignee: NEC CORPORATION
    Inventors: Takahiro Sakai, Toshiki Yamanaka, Hiroshi Yamada
  • Patent number: 9030834
    Abstract: A mounting structure of a flexible printed circuit board and a sliding-type electronic device is provided by which a too large increase in thickness of devices can be avoided and a pair of housings can be slid relatively in a bending and slanting direction. In the mounting structure, an upper housing 12 and a lower housing 22 coupled in a freely slidable manner are electrically connected to each other by a flexible printed circuit board folded back to be routed between slide facing surfaces 12b and 22a of both the housings and the height of a side wall surface 12c and 22c of the upper housing and lower housing changes in a bending manner along the direction of freely sliding and, in the slide facing surfaces of the upper housing and lower housing, concave space portions 15 and 25 to accommodate the change in curvature and in position of a folding-back portion 31a caused by sliding motion between the upper housing and lower housing are disposed.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: May 12, 2015
    Assignee: NEC Corporation
    Inventors: Takahiro Sakai, Toshiki Yamanaka, Hiroshi Yamada
  • Publication number: 20140301046
    Abstract: A mounting structure of a flexible printed circuit board and a sliding-type electronic device is provided by which a too large increase in thickness of devices can be avoided and a pair of housings can be slid relatively in a bending and slanting direction. In the mounting structure, an upper housing 12 and a lower housing 22 coupled in a freely slidable manner are electrically connected to each other by a flexible printed circuit board folded back to be routed between slide facing surfaces 12b and 22a of both the housings and the height of a side wall surface 12c and 22c of the upper housing and lower housing changes in a bending manner along the direction of freely sliding and, in the slide facing surfaces of the upper housing and lower housing, concave space portions 15 and 25 to accommodate the change in curvature and in position of a folding-back portion 31a caused by sliding motion between the upper housing and lower housing are disposed.
    Type: Application
    Filed: June 23, 2014
    Publication date: October 9, 2014
    Applicant: NEC CORPORATION
    Inventors: Takahiro SAKAI, Toshiki YAMANAKA, Hiroshi YAMADA
  • Patent number: 8811036
    Abstract: A frame member (130) includes a bottom plate part (132) facing the lower surface of a display device (110), a wall part (133) extending upwardly from an edge part of the bottom plate part (132), and a top plate part (134) extending from an upper edge part of the wall part in a horizontal direction. An aperture (131) into which a wiring member (120) connected to the display device (110) is inserted is formed between the wall part (133) and the top plate part (134). The frame member (130) retains and supports the display device (110).
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: August 19, 2014
    Assignee: NEC Corporation
    Inventors: Takahiro Sakai, Seiichirou Gotou, Toshiki Yamanaka
  • Patent number: 8700099
    Abstract: There are provided a hinge unit and portable terminal, even when a display housing is inverted to respond to demands for thin and light weight structure and high design quality, its display housing is always in a proper position. The display housing 1 has a display device 2 at its display housing front 1a. The display device 2 is made up of, for example, a liquid crystal display device and performs predetermined displaying. The shaft fitting section 3 is fitted in an end terminal region of one side of the display housing. A shaft 4 is inserted into the shaft fitting section 3 to support the display housing 1 in a manner to be freely inverted and fitted to the shaft fitting section 3 so that an axial center of the inverting axis forms a predetermined angle with a display surface of the display device 2.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: April 15, 2014
    Assignee: NEC Corporation
    Inventors: Takahiro Sakai, Toshiki Yamanaka
  • Patent number: 8570756
    Abstract: A sliding electronic apparatus that prevents foreign matter from entering a housing is provided. In the apparatus, upper housing 1 and lower housing 2 are slidably coupled, and it is switched by sliding one of upper housing 1 and lower housing 2 with respect to the other, a closed state in which operation section 2b provided on lower housing 2 is covered by upper housing 1 and an open state in which operation section 2b is exposed. The apparatus includes opening 1c formed in a lower surface of upper housing 1, opening 2c formed in an upper surface of lower housing 2, and FPC 3 for electrically connecting wiring board 9 and wiring board 10. FPC 3 includes cover portion 3a mounted on the lower surface of upper housing 1 so as to cover opening 1c and cover portion 3b mounted on the upper surface of lower housing 2 so as to cover opening 2c. Cover portion 3a is electrically connected to wiring board 9 in upper housing 1, and cover portion 3b is electrically connected to wiring board 10 in lower housing 2.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: October 29, 2013
    Assignee: NEC Corporation
    Inventors: Takahiro Sakai, Toshiki Yamanaka, Hiroshi Yamada
  • Patent number: 8564945
    Abstract: A slide type electronic apparatus which can prevent internal structure such as a slide mechanism from being visually recognized from a gap between two cases and suppress dirt, dust and the like invading from the gap is provided. A slide type electronic apparatus according to the present invention includes: two cases; slide means, which is arranged between the two cases, for connecting the two cases in a manner that the two cases can slide each other; and covering means, which is arranged in one of the cases, for hiding a gap formed between the two cases at least at a time of an opened state in which an overlap of the two cases becomes smallest.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: October 22, 2013
    Assignee: NEC Corporation
    Inventors: Junichi Nakao, Hiroshi Yamada, Toshiki Yamanaka
  • Patent number: 8462513
    Abstract: First and second housings of a metal sheet are superposed over each other and fixed to each other by bolts to form an element receiving space. An antenna is fixed to the second housing by a bolt so as to be adjacent to the first housing. A hook section is fixed to the first housing. The hook section is inserted in a hole of the antenna, a step-shaped forward lower step section of the hook section is engaged with the peripheral edge of the hole in the antenna, and thus the first housing and the antenna are fixed to each other. The antenna is embedded in resin and covered by the resin.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: June 11, 2013
    Assignee: NEC Corporation
    Inventors: Toshinobu Ogatsu, Toshiki Yamanaka
  • Patent number: 8356163
    Abstract: A disclosed SIMD microprocessor includes plural processor elements each having n arithmetic circuits and n registers configured to temporarily store data pieces to be input to the arithmetic circuits, n being a natural number equal to or greater than 2, and; a control circuit configured to determine an arrangement order of the processor elements and an arrangement order of the arithmetic circuits in the processor elements and determine whether to use the n arithmetic circuits as a single arithmetic circuit or as n arithmetic circuits. Each processor element further includes n shifter pairs each including a PE shifter and a bit shifter; and n shift data selection circuits configured to select arbitrary data pieces from the data pieces in the shifter pairs, perform bit extension on the data pieces, and transfer the data pieces to the arithmetic circuits.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: January 15, 2013
    Assignee: Ricoh Company, Ltd.
    Inventor: Toshiki Yamanaka
  • Publication number: 20120208603
    Abstract: There are provided a hinge unit and portable terminal, even when a display housing is inverted to respond to demands for thin and light weight structure and high design quality, its display housing is always in a proper position. The display housing 1 has a display device 2 at its display housing front 1a. The display device 2 is made up of, for example, a liquid crystal display device and performs predetermined displaying. The shaft fitting section 3 is fitted in an end terminal region of one side of the display housing. A shaft 4 is inserted into the shaft fitting section 3 to support the display housing 1 in a manner to be freely inverted and fitted to the shaft fitting section 3 so that an axial center of the inverting axis forms a predetermined angle with a display surface of the display device 2.
    Type: Application
    Filed: October 18, 2010
    Publication date: August 16, 2012
    Applicant: NEC CORPORATION
    Inventors: Takahiro Sakai, Toshiki Yamanaka
  • Patent number: 8238843
    Abstract: A strap attaching section of a folding portable apparatus includes a recessed section arranged on a hinge section of a case configuring the portable apparatus, a strap holder stored in the recessed section, and a coupler for coupling the strap holder and the hinge section. The coupler includes a first pin hole which penetrates the strap holder, a second pin hole formed on the hinge section, a groove formed on an outer surface of the hinge section, and a pin. The groove is provided with a first region whereupon one end of the second pin hole opens, and a second region continued to the first region. A first portion of the pin extends through the first and second pin holes, and a second portion of the pin is arranged in the second region in the groove. A cover is removably attached to the case to cover the groove.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: August 7, 2012
    Assignee: Nec Corporation
    Inventors: Junichi Nakao, Toshiki Yamanaka, Yasuyuki Homma
  • Publication number: 20110228491
    Abstract: A sliding electronic apparatus that prevents foreign matter from entering a housing is provided. In the apparatus, upper housing 1 and lower housing 2 are slidably coupled, and it is switched by sliding one of upper housing 1 and lower housing 2 with respect to the other, a closed state in which operation section 2b provided on lower housing 2 is covered by upper housing 1 and an open state in which operation section 2b is exposed. The apparatus includes opening 1c formed in a lower surface of upper housing 1, opening 2c formed in an upper surface of lower housing 2, and FPC 3 for electrically connecting wiring board 9 and wiring board 10. FPC 3 includes cover portion 3a mounted on the lower surface of upper housing 1 so as to cover opening 1c and cover portion 3b mounted on the upper surface of lower housing 2 so as to cover opening 2c. Cover portion 3a is electrically connected to wiring board 9 in upper housing 1, and cover portion 3b is electrically connected to wiring board 10 in lower housing 2.
    Type: Application
    Filed: November 24, 2009
    Publication date: September 22, 2011
    Applicant: NEC CORPORATION
    Inventors: Takahiro Sakai, Toshiki Yamanaka, Hiroshi Yamada
  • Publication number: 20110222248
    Abstract: A mounting structure of a flexible printed circuit board and a sliding-type electronic device is provided by which a too large increase in thickness of devices can be avoided and a pair of housings can be slid relatively in a bending and slanting direction. In the mounting structure, an upper housing 12 and a lower housing 22 coupled in a freely slidable manner are electrically connected to each other by a flexible printed circuit board folded back to be routed between slide facing surfaces 12b and 22a of both the housings and the height of a side wall surface 12c and 22c of the upper housing and lower housing changes in a bending manner along the direction of freely sliding and, in the slide facing surfaces of the upper housing and lower housing, concave space portions 15 and 25 to accommodate the change in curvature and in position of a folding-back portion 31a caused by sliding motion between the upper housing and lower housing are disposed.
    Type: Application
    Filed: November 6, 2009
    Publication date: September 15, 2011
    Applicant: NEC CORPORATION
    Inventors: Takahiro Sakai, Toshiki Yamanaka, Hiroshi Yamada
  • Publication number: 20110149492
    Abstract: A slide type electronic apparatus which can prevent internal structure such as a slide mechanism from being visually recognized from a gap between two cases and suppress dirt, dust and the like invading from the gap is provided. A slide type electronic apparatus according to the present invention includes: two cases; slide means, which is arranged between the two cases, for connecting the two cases in a manner that the two cases can slide each other; and covering means, which is arranged in one of the cases, for hiding a gap formed between the two cases at least at a time of an opened state in which an overlap of the two cases becomes smallest.
    Type: Application
    Filed: September 15, 2009
    Publication date: June 23, 2011
    Inventors: Junichi Nakao, Hiroshi Yamada, Toshiki Yamanaka