Patents by Inventor Tomohiko Nishimura
Tomohiko Nishimura 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: 20130021283Abstract: Provided is a display device with a touch sensor that can avoid the influence of noise originating from the polarity inversion of a common voltage of the display device without using special circuitry. The display device with a touch sensor includes a sensor output readout circuit (21) that is sequentially connected to multiple sensor electrodes in a touch sensor unit (7) and outputs signal voltages that correspond to the electrical characteristics of the electrodes, a sensor control circuit (23) that supplies a control signal to the sensor output readout circuit (21), and a coordinate computation circuit (22) that detects a contact position based on the signal voltages.Type: ApplicationFiled: March 24, 2011Publication date: January 24, 2013Inventors: Tomohiko Nishimura, Jin Miyazawa
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Publication number: 20130016057Abstract: Provided is a touch-sensor-equipped display device that is capable of avoiding influences of noises resulting from polarity inversion of a common voltage of the display device, without using a special circuit. It is a touch-sensor-equipped display device that includes: a sensor output readout circuit (21) that is connected to a plurality of sensor electrodes of a touch sensor part (7) successively, and that outputs a signal voltage corresponding to electric characteristics of the connected sensor electrode; a sensor control circuit (23) that supplies a control signal to the sensor output readout circuit (21); and a coordinate calculation circuit (22) that detects a contact position, based on the signal voltage. The sensor control circuit (23) performs a scanning operation for obtaining full-screen sensor data in such a manner that the scanning operation is divided into a plurality of parts.Type: ApplicationFiled: March 24, 2011Publication date: January 17, 2013Inventors: Tomohiko Nishimura, Jin Miyazawa
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Publication number: 20130002597Abstract: Provided is a touch sensor-equipped display device that is not susceptible to the effect of noise caused by the reversal of polarity of the common voltage of the display device, without using special circuits. The touch sensor-equipped display device includes: a touch sensor unit 7 having a plurality of sensor electrodes; a sensor output read circuit 21 that is sequentially connected to the respective sensor electrodes and that outputs a signal voltage corresponding to the electrical characteristics of the sensor electrode connected thereto; a sensor control circuit 23 that supplies a control signal to the sensor output read circuit 21; and a coordinate calculation circuit 22 that detects a contact position on the basis of the signal voltage.Type: ApplicationFiled: March 3, 2011Publication date: January 3, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Tomohiko Nishimura, Jin Miyazawa
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Patent number: 8274481Abstract: A touch-sensored display device 20 according to the present invention includes: a counter substrate 6 disposed on a viewer side of an active matrix substrate 8 via a display medium layer 4, the counter substrate 6 having a counter electrode 5 which opposes pixel electrodes; a display panel driving circuit 14 for supplying to the counter electrode 5 a common voltage which undergoes periodic inversion in polarity; a transparent conductive film 7 for position detection placed so as to oppose the counter electrode 5 via the counter substrate 6; a strobe signal generation circuit 32 for generating a strobe signal which is in synchronization with a polarity inversion period of the common voltage, and a noise-cut current signal generation circuit 30 for generating a noise-cut current signal which is obtained by eliminating based on the strobe signal a predetermined portion from a current flowing from a terminal connected to the transparent conductive film 7 for position detection.Type: GrantFiled: October 21, 2005Date of Patent: September 25, 2012Assignee: Sharp Kabushiki KaishaInventors: Tomohiko Nishimura, Saburoh Miyamoto, Toshihisa Nakano, Hiroshi Hamada, Takeshi Yamaguchi
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Patent number: 7825832Abstract: A coordinate position detection device includes: charging circuits having both the capability of charging a coupling capacitance in a capacitive-coupling touch panel with a position-detection resistive film whose potential periodically varies between a positive potential and a negative potential and the capability of restoring the charged coupling capacitance to its state prior to charging; current-to-voltage conversion circuits converting into a voltage the total amount of charging currents of the coupling capacitance after the charging circuits supply the charging current to the coupling capacitance a plurality of times; and a computation device detecting the coordinate position of a touched area based on the outputs of the current-to-voltage conversion circuits.Type: GrantFiled: February 7, 2007Date of Patent: November 2, 2010Assignee: Sharp Kabushiki KaishaInventors: Tomohiko Nishimura, Takeshi Yamaguchi, Saburoh Miyamoto
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Publication number: 20100026527Abstract: A coordinate position detection device according to the present invention includes: charging circuits having both the capability of charging a coupling capacitance in a capacitive-coupling touch panel with a position-detection resistive film whose potential periodically varies between a positive potential and a negative potential and the capability of restoring the charged coupling capacitance to its state prior to charging; current-to-voltage conversion circuits converting into a voltage the total amount of charging currents of the coupling capacitance after the charging circuits supply the charging current to the coupling capacitance a plurality of times; and a computation device detecting the coordinate position of a touched area based on the outputs of the current-to-voltage conversion circuits.Type: ApplicationFiled: February 7, 2007Publication date: February 4, 2010Applicant: SHARP KABUSHIKI KAISHAInventors: Tomohiko Nishimura, Takeshi Yamaguchi, Saburoh Miyamoto
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Publication number: 20090085892Abstract: There is provided an input device using a touch panel allowing input operations to be performed without viewing an input surface. The input device includes a transparent capacitance-type touch panel (12) formed in the shape of a dome, and a liquid crystal panel (14a) disposed on the back side of the touch panel. The position detection processing portion (20) applies predetermined voltage to four terminals (T1 to T4) of the touch panel, and detects current flowing via each terminal to detect the coordinates of a point on the touch panel operated by the operator's finger (100) based on the detected current value. The data processing portion (30) causes a liquid crystal display device (14) to display an operation screen, including graphics, symbols, etc.Type: ApplicationFiled: February 2, 2007Publication date: April 2, 2009Inventors: Kenichiro Ishikura, Seiji Sato, Tomohiko Nishimura, Katsunori Shirai, Minoru Mayumi
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Publication number: 20090025225Abstract: A method of making a bicycle wheel rim comprises the steps of forming a ring-shaped wheel rim body having a rotational axis, and dipping the rim body in a coloring agent to form a colored surface so that a first color difference portion and a second color difference portion are formed on opposite sides of the rim body.Type: ApplicationFiled: September 30, 2008Publication date: January 29, 2009Applicant: Shimano, Inc.Inventors: Tomohiko Nishimura, Takashi Otsuji
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Publication number: 20080284238Abstract: A bicycle wheel rim comprises a ring-shaped wheel rim body having a rotational axis. A colored surface is formed by dipping the rim body in a coloring agent so that a first color difference portion and a second color difference portion are formed on opposite sides of the rim body.Type: ApplicationFiled: May 14, 2007Publication date: November 20, 2008Applicant: SHIMANO, INC.Inventors: TOMOHIKO NISHIMURA, Takashi Otsuji
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Patent number: 7430941Abstract: A bicycle pedal assembly has a cleat releasably coupled to a pedal by a cleat engagement mechanism formed on an upper surface of its pedal body. The pedal body has a front end configured and arranged to include a sole guide portion that assists the rider in rotating the pedal body about its pedal shaft. In one embodiment, the sole guide portion is formed by a first concaved sole receiving recess located in a tip surface of the pedal body and a second concaved sole receiving recess located on the upper surface of the pedal body adjacent to the tip surface. Alternatively, the concaved sole receiving recesses can be replaced with either a pair of laterally spaced projections located on at the front end of the pedal body, or a V-shaped tip surface.Type: GrantFiled: November 30, 2005Date of Patent: October 7, 2008Assignee: Shimano Inc.Inventors: Tsutomu Muraoka, Tomohiko Nishimura
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Patent number: 7322260Abstract: A bicycle pedal assembly has a cleat releasably coupled to a pedal by a cleat engagement mechanism formed on an upper surface of its pedal body. The pedal body has a front end configured and arranged to include a sole guide portion that assists the rider in rotating the pedal body about its pedal shaft. In one embodiment, the sole guide portion is formed by a first concaved sole receiving recess located in a tip surface of the pedal body and a second concaved sole receiving recess located on the upper surface of the pedal body adjacent to the tip surface. Alternatively, the concaved sole receiving recesses can be replaced with either a pair of laterally spaced projections located on at the front end of the pedal body, or a V-shaped tip surface.Type: GrantFiled: November 30, 2005Date of Patent: January 29, 2008Assignee: Shimano Inc.Inventors: Tsutomu Muraoka, Tomohiko Nishimura
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Publication number: 20070262966Abstract: A touch-sensored display device 20 according to the present invention includes: a counter substrate 6 disposed on a viewer side of an active matrix substrate 8 via a display medium layer 4, the counter substrate 6 having a counter electrode 5 which opposes pixel electrodes; a display panel driving circuit 14 for supplying to the counter electrode 5 a common voltage which undergoes periodic inversion in polarity; a transparent conductive film 7 for position detection placed so as to oppose the counter electrode 5 via the counter substrate 6; a strobe signal generation circuit 32 for generating a strobe signal which is in synchronization with a polarity inversion period of the common voltage, and a noise-cut current signal generation circuit 30 for generating a noise-cut current signal which is obtained by eliminating based on the strobe signal a predetermined portion from a current flowing from a terminal connected to the transparent conductive film 7 for position detection.Type: ApplicationFiled: October 21, 2005Publication date: November 15, 2007Inventors: Tomohiko Nishimura, Saburoh Miyamoto, Toshihisa Nakano, Hiroshi Hamada, Takeshi Yamaguchi
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Publication number: 20060081087Abstract: A bicycle pedal assembly has a cleat releasably coupled to a pedal by a cleat engagement mechanism formed on an upper surface of its pedal body. The pedal body has a front end configured and arranged to include a sole guide portion that assists the rider in rotating the pedal body about its pedal shaft. In one embodiment, the sole guide portion is formed by a first concaved sole receiving recess located in a tip surface of the pedal body and a second concaved sole receiving recess located on the upper surface of the pedal body adjacent to the tip surface. Alternatively, the concaved sole receiving recesses can be replaced with either a pair of laterally spaced projections located on at the front end of the pedal body, or a V-shaped tip surface.Type: ApplicationFiled: November 30, 2005Publication date: April 20, 2006Applicant: Shimano Inc.Inventors: Tsutomu Muraoka, Tomohiko Nishimura
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Publication number: 20060081088Abstract: A bicycle pedal assembly has a cleat releasably coupled to a pedal by a cleat engagement mechanism formed on an upper surface of its pedal body. The pedal body has a front end configured and arranged to include a sole guide portion that assists the rider in rotating the pedal body about its pedal shaft. In one embodiment, the sole guide portion is formed by a first concaved sole receiving recess located in a tip surface of the pedal body and a second concaved sole receiving recess located on the upper surface of the pedal body adjacent to the tip surface. Alternatively, the concaved sole receiving recesses can be replaced with either a pair of laterally spaced projections located on at the front end of the pedal body, or a V-shaped tip surface.Type: ApplicationFiled: November 30, 2005Publication date: April 20, 2006Applicant: Shimano Inc.Inventors: Tsutomu Muraoka, Tomohiko Nishimura
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Patent number: 6997080Abstract: A bicycle pedal assembly has a cleat releasably coupled to a pedal by a cleat engagement mechanism formed on an upper surface of its pedal body. The pedal body has a front end configured and arranged to include a sole guide portion that assists the rider in rotating the pedal body about its pedal shaft. In one embodiment, the sole guide portion is formed by a first concaved sole receiving recess located in a tip surface of the pedal body and a second concaved sole receiving recess located on the upper surface of the pedal body adjacent to the tip surface. Alternatively, the concaved sole receiving recesses can be replaced with either a pair of laterally spaced projections located on at the front end of the pedal body, or a V-shaped tip surface.Type: GrantFiled: December 12, 2003Date of Patent: February 14, 2006Assignee: Shimano Inc.Inventors: Tsutomu Muraoka, Tomohiko Nishimura
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Publication number: 20040148809Abstract: A bicycle shoe has an upper portion with a sole attached to the upper portion. The sole has upper and lower outer surfaces that define a toe section, an arch section, a ball section and a heel section with a longitudinal axis extending between the toe and heel sections. The ball section has a cleat attachment area surrounding at least one cleat attachment hole extending between the upper and lower outer surfaces. At least the arch section is configured with a transverse cross section having a center sole area with a first predetermined height, a medial side sole area with a second predetermined height and a lateral outside sole area with a third predetermined height, the first predetermined height being smaller than said second and third predetermined heights. Preferably, the sole upper and lower inner surfaces defining an interior cavity.Type: ApplicationFiled: February 3, 2003Publication date: August 5, 2004Applicant: Shimano Inc.Inventors: Junichi Kikuta, Yuji Nakashima, Tomohiko Nishimura
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Publication number: 20040130119Abstract: A bicycle pedal assembly has a cleat releasably coupled to a pedal by a cleat engagement mechanism formed on an upper surface of its pedal body. The pedal body has a front end configured and arranged to include a sole guide portion that assists the rider in rotating the pedal body about its pedal shaft. In one embodiment, the sole guide portion is formed by a first concaved sole receiving recess located in a tip surface of the pedal body and a second concaved sole receiving recess located on the upper surface of the pedal body adjacent to the tip surface. Alternatively, the concaved sole receiving recesses can be replaced with either a pair of laterally spaced projections located on at the front end of the pedal body, or a V-shaped tip surface.Type: ApplicationFiled: December 12, 2003Publication date: July 8, 2004Applicant: Shimano Inc.Inventors: Tsutomu Muraoka, Tomohiko Nishimura
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Patent number: 6694846Abstract: A bicycle pedal assembly has a cleat releasably coupled to a pedal by a cleat engagement mechanism formed on an upper surface of its pedal body. The pedal body has a front end configured and arranged to include a sole guide portion that assists the rider in rotating the pedal body about its pedal shaft. In one embodiment, the sole guide portion is formed by a first concaved sole receiving recess located in a tip surface of the pedal body and a second concaved sole receiving recess located on the upper surface of the pedal body adjacent to the tip surface. Alternatively, the concaved sole receiving recesses can be replaced with either a pair of laterally spaced projections located on at the front end of the pedal body, or a V-shaped tip surface.Type: GrantFiled: February 28, 2002Date of Patent: February 24, 2004Assignee: Shimano Inc.Inventors: Tsutomu Muraoka, Tomohiko Nishimura
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Patent number: D506720Type: GrantFiled: August 31, 2004Date of Patent: June 28, 2005Assignee: Shimano Inc.Inventor: Tomohiko Nishimura
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Patent number: D508886Type: GrantFiled: August 31, 2004Date of Patent: August 30, 2005Assignee: Shimano Inc.Inventor: Tomohiko Nishimura