Patents by Inventor Keiichi Nomura
Keiichi Nomura 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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Patent number: 7535506Abstract: A solid-state image pickup device according to the present invention has a plurality of photoelectric conversion elements and a plurality of switching elements. The photoelectric conversion element is formed above at least one switching element, and a shielding electrode layer is disposed between the switching elements and the photoelectric conversion elements. Further, a radiation image pickup device according to the present invention has a radiation conversion layer for directly converting radiation into electric charges, and a plurality of switching elements, and has the radiation conversion layer formed above one or more switching elements, and a shielding electrode layer disposed between the switching elements and the radiation conversion layer.Type: GrantFiled: February 10, 2004Date of Patent: May 19, 2009Assignee: Canon Kabushiki KaishaInventors: Keiichi Nomura, Masakazu Morishita, Chiori Mochizuki, Minoru Watanabe, Takamasa Ishii
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Patent number: 7521684Abstract: The present invention provides a radiation detecting apparatus having a radiation conversion element laminated on a switch TFT, including a gate electrode of the switch TFT; a first insulating layer, a first semiconductor layer, and an ohmic contact layer, which are laminated on the gate electrode in order; and a source/drain electrode of the switch TFT laminated on the ohmic contact layer, which all constitute the switch TFT; and a lower electrode of the radiation conversion element, which is formed on the same layer as the source/drain electrode; a second insulating layer, a second semiconductor layer, and a second ohmic contact layer, which are laminated on the lower electrode in order; and a bias wiring for applying a bias to the radiation conversion element.Type: GrantFiled: March 20, 2007Date of Patent: April 21, 2009Assignee: Canon Kabushiki KaishaInventors: Keiichi Nomura, Masakazu Morishita, Chiori Mochizuki
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Publication number: 20090040310Abstract: A solid-state image pickup device according to the present invention has a plurality of photoelectric conversion elements and a plurality of switching elements. The photoelectric conversion element is formed above at least one switching element, and a shielding electrode layer is disposed between the switching elements and the photoelectric conversion elements. Further, a radiation image pickup device according to the present invention has a radiation conversion layer for directly converting radiation into electric charges, and a plurality of switching elements, and has the radiation conversion layer formed above one or more switching elements, and a shielding electrode layer disposed between the switching elements and the radiation conversion layer.Type: ApplicationFiled: October 3, 2008Publication date: February 12, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Keiichi Nomura, Masakazu Morishita, Chiori Mochizuki, Minoru Watanabe, Takamasa Ishii
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Patent number: 7488948Abstract: Sensitivity is freely changeable to another one in correspondence to a photographing mode, and both still image photographing and moving image photographing for example which are largely different from each other in dosage of exposure to radiation and which are also different from each other in required sensitivity are carried out so as to meet that request. A source or drain electrode of a TFT 21 is connected to a signal output circuit 3 through a signal line 14a and an IC 5. A source/drain of a TFT 23 is connected to the signal output circuit 3 through a signal line 14b and the IC 5. Thus, in each pixel 6, any one of the signal lines 14a and 14b is freely selectable when a signal is read out.Type: GrantFiled: November 10, 2004Date of Patent: February 10, 2009Assignee: Canon Kabushiki KaishaInventors: Takamasa Ishii, Masakazu Morishita, Chiori Mochizuki, Minoru Watanabe, Keiichi Nomura
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Publication number: 20090004768Abstract: A radiation detecting apparatus according to the present invention includes: pixels including switching elements arranged on an insulating substrate and conversion elements arranged on the switching elements to convert a radiation into electric carriers, the switching elements and the conversion elements are connected with each other, the pixels two-dimensionally arranged on the insulating substrate in a matrix; gate wiring commonly connected with a plurality of switching elements arranged in a row direction on the insulating substrate; signal wiring commonly connected with a plurality of switching elements arranged in a column direction; and a plurality of insulating films arranged between the switching elements and the conversion elements, wherein at least one of the gate wiring and the signal wiring is arranged to be put between the plurality of insulating films.Type: ApplicationFiled: September 5, 2008Publication date: January 1, 2009Applicant: CANON KABUSHIKI KAISHAInventors: MINORU WATANABE, CHIORI MOCHIZUKI, KEIICHI NOMURA, TAKAMASA ISHII
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Publication number: 20080308739Abstract: A radiation detecting apparatus includes: a sensor panel having a substrate and a photoelectric conversion element array arranged on the substrate; a scintillator layer arranged on one surface side of the sensor panel; and a light generator arranged on the sensor panel at the other side in opposition to the one side on which the scintillator layer is arranged, in corresponding to an area in which the photoelectric conversion element array is arranged. The light generator includes a light transmitting electrode layer, a rear electrode layer and a light emitting layer arranged between the light transmitting electrode layer and the rear electrode. The light emitting layer according to a first aspect is formed from light emitting substance, a binder and a black pigment.Type: ApplicationFiled: June 4, 2008Publication date: December 18, 2008Applicant: CANON KABUSHIKI KAISHAInventors: SATORU SAWADA, Satoshi Okada, Masato Inoue, Kazumi Nagano, Shinichi Takeda, Keiichi Nomura, Yoshihiro Ogawa
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Patent number: 7465933Abstract: A radiographic imaging apparatus, comprising: a photoelectric conversion substrate including a pixel area where there are arranged a plurality of pixels each formed of a photoelectric conversion element and a switching element connected to the photoelectric conversion element in a matrix formed on an insulating substrate, a bias line for applying a bias to the photoelectric conversion element, a gate line for supplying a driving signal to the switching element, and a signal line for reading electric charges converted in the photoelectric conversion element; a wavelength conversion element for converting radiation to light that can be detected by the photoelectric conversion element, the wavelength conversion element being disposed according to a region including the pixel area; and connection wiring having a photoelectric conversion layer connected to at least a plurality of lines of an identical type of the bias line, the signal line, and the gate line, wherein at least a part of the connection wiring is arrType: GrantFiled: December 17, 2007Date of Patent: December 16, 2008Assignee: Canon Kabushiki KaishaInventors: Takamasa Ishii, Masakazu Morishita, Chiori Mochizuki, Minoru Watanabe, Keiichi Nomura
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Publication number: 20080290284Abstract: A conversion apparatus includes pixels including switching elements provided on an insulating substrate and conversion elements disposed over the switching elements and connected to the switching elements. Conductive lines are coupled to the pixels and have terminal elements for providing a connection to an external circuit. The terminal elements are disposed in a metal layer that is formed over the conversion elements. The conversion apparatus further includes a transparent conductive layer covering surfaces of the terminal elements, and a protective layer covering edges of the terminal elements and having openings.Type: ApplicationFiled: August 1, 2008Publication date: November 27, 2008Applicant: Canon Kabushiki KaishaInventors: Chiori Mochizuki, Keiichi Nomura, Minoru Watanabe, Takamasa Ishii
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Patent number: 7435968Abstract: A radiation detecting apparatus according to the present invention includes: pixels including switching elements arranged on an insulating substrate and conversion elements arranged on the switching elements to convert a radiation into electric carriers, the switching elements and the conversion elements are connected with each other, the pixels two-dimensionally arranged on the insulating substrate in a matrix; gate wiring commonly connected with a plurality of switching elements arranged in a row direction on the insulating substrate; signal wiring commonly connected with a plurality of switching elements arranged in a column direction; and a plurality of insulating films arranged between the switching elements and the conversion elements, wherein at least one of the gate wiring and the signal wiring is arranged to be put between the plurality of insulating films.Type: GrantFiled: August 28, 2006Date of Patent: October 14, 2008Assignee: Canon Kabushiki KaishaInventors: Minoru Watanabe, Chiori Mochizuki, Keiichi Nomura, Takamasa Ishii
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Patent number: 7429723Abstract: A conversion apparatus includes pixels including switching elements provided on an insulating substrate and conversion elements disposed over the switching elements and connected to the switching elements. Conductive lines are coupled to the pixels and have terminal elements for providing a connection to an external circuit. The terminal elements are disposed in a metal layer that is formed over the conversion elements. The conversion apparatus further includes a transparent conductive layer covering surfaces of the terminal elements, and a protective layer covering edges of the terminal elements and having openings.Type: GrantFiled: July 7, 2006Date of Patent: September 30, 2008Assignee: Canon Kabushiki KaishaInventors: Chiori Mochizuki, Keiichi Nomura, Minoru Watanabe, Takamasa Ishii
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Publication number: 20080128630Abstract: The present invention provides a radiation detecting apparatus having a radiation conversion element laminated on a switch TFT, including: a gate electrode of the switch TFT; a first insulating layer, a first semiconductor layer, and an ohmic contact layer, which are laminated on the gate electrode in order; and a source/drain electrode of the switch TFT laminated on the ohmic contact layer, which all constitute the switch TFT; and a lower electrode of the radiation conversion element, which is formed on the same layer as the source/drain electrode; a second insulating layer, a second semiconductor layer, and a second ohmic contact layer, which are laminated on the lower electrode in order; and a bias wiring for applying a bias to the radiation conversion element.Type: ApplicationFiled: March 20, 2007Publication date: June 5, 2008Applicant: Canon Kabushiki KaishaInventors: Keiichi Nomura, Masakazu Morishita, Chiori Mochizuki
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Patent number: 7381965Abstract: A radiographic imaging apparatus, comprising: a photoelectric conversion substrate including a pixel area where there are arranged a plurality of pixels each formed of a photoelectric conversion element and a switching element connected to the photoelectric conversion element in a matrix formed on an insulating substrate, a bias line for applying a bias to the photoelectric conversion element, a gate line for supplying a driving signal to the switching element, and a signal line for reading electric charges converted in the photoelectric conversion element; a wavelength conversion element for converting radiation to light that can be detected by the photoelectric conversion element, the wavelength conversion element being disposed according to a region including the pixel area; and connection wiring having a photoelectric conversion layer connected to at least a plurality of lines of an identical type of the bias line, the signal line, and the gate line, wherein at least a part of the connection wiring is arrType: GrantFiled: March 7, 2007Date of Patent: June 3, 2008Assignee: Canon Kabushiki KaishaInventors: Takamasa Ishii, Masakazu Morishita, Chiori Mochizuki, Minoru Watanabe, Keiichi Nomura
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Publication number: 20080099688Abstract: A radiographic imaging apparatus, comprising: a photoelectric conversion substrate including a pixel area where there are arranged a plurality of pixels each formed of a photoelectric conversion element and a switching element connected to the photoelectric conversion element in a matrix formed on an insulating substrate, a bias line for applying a bias to the photoelectric conversion element, a gate line for supplying a driving signal to the switching element, and a signal line for reading electric charges converted in the photoelectric conversion element; a wavelength conversion element for converting radiation to light that can be detected by the photoelectric conversion element, the wavelength conversion element being disposed according to a region including the pixel area; and connection wiring having a photoelectric conversion layer connected to at least a plurality of lines of an identical type of the bias line, the signal line, and the gate line, wherein at least a part of the connection wiring is arrType: ApplicationFiled: December 17, 2007Publication date: May 1, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Takamasa Ishii, Masakazu Morishita, Chiori Mochizuki, Minoru Watanabe, Keiichi Nomura
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Publication number: 20080083877Abstract: A radiation detection apparatus of the present invention includes an optical detector disposed on a substrate and having a plurality of photoelectric conversion elements which convert light into an electrical signal, and a scintillator layer disposed on the optical detector and having a columnar crystal structure which converts radiation into light, wherein the concentration of an activator of the scintillator layer is higher at the radiation incident side opposite the optical detector and is lower at the optical detector side. The scintillator panel of the present invention includes the substrate and the scintillator layer disposed on the substrate, wherein the concentration of the activator of the scintillator layer is higher at the radiation incident side and is lower at the light emission side.Type: ApplicationFiled: March 1, 2007Publication date: April 10, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Keiichi Nomura, Kazumi Nagano, Yoshihiro Ogawa, Satoshi Okada
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Publication number: 20070146520Abstract: In a solid state image pickup apparatus with a photodetecting device and one or more thin film transistors connected to the photodetecting device formed in one pixel, a part of the photodetecting device is formed over at least a part of the thin film transistor, and the thin film transistor is constructed by a source electrode, a drain electrode, a first gate electrode, and a second gate electrode arranged on the side opposite to the first gate electrode with respect to the source electrode and the drain electrode, and the first gate electrode is connected to the second gate electrode every pixel, thereby, suppressing an adverse effect of the photodetecting device on the TFT, a leakage at turn-off TFT, variation in a threshold voltage of the TFT due to an external electric field, and accurately transferring photo carrier to a signal processing circuit.Type: ApplicationFiled: March 12, 2007Publication date: June 28, 2007Applicant: CANON KABUSHIKI KAISHAInventors: MINORU WATANABE, Masakazu Morishita, Chiori Mochizuki, Takamasa Ishii, Keiichi Nomura
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Publication number: 20070145285Abstract: A radiographic imaging apparatus, comprising: a photoelectric conversion substrate including a pixel area where there are arranged a plurality of pixels each formed of a photoelectric conversion element and a switching element connected to the photoelectric conversion element in a matrix formed on an insulating substrate, a bias line for applying a bias to the photoelectric conversion element, a gate line for supplying a driving signal to the switching element, and a signal line for reading electric charges converted in the photoelectric conversion element; a wavelength conversion element for converting radiation to light that can be detected by the photoelectric conversion element, the wavelength conversion element being disposed according to a region including the pixel area; and connection wiring having a photoelectric conversion layer connected to at least a plurality of lines of an identical type of the bias line, the signal line, and the gate line, wherein at least a part of the connection wiring is arrType: ApplicationFiled: March 7, 2007Publication date: June 28, 2007Applicant: CANON KABUSHIKI KAISHAInventors: TAKAMASA ISHII, Masakazu Morishita, Chiori Mochizuki, Minoru Watanabe, Keiichi Nomura
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Publication number: 20070131867Abstract: At a radiation incident side of light generating means comprising light guiding means 300 including a light source such as an LED 301, a light guiding plate 303, a reflecting plate 304, a diffusing plate 305, and the like, radiation shielding members 401 to 403 for shielding the radiation are provided. As the radiation shielding members, those absorbing or reflecting 70% of the incident radiation are used. Further, the radiation shielding member is disposed between a radiation detecting panel 500 and a light generating source such as the LED 301 and the like or disposed between the radiation detecting panel and a drive circuit which drives the light source such as the LED 301, and the like.Type: ApplicationFiled: December 5, 2006Publication date: June 14, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Satoshi Okada, Yoshihiro Ogawa, Masato Inoue, Shinichi Takeda, Kazumi Nagano, Keiichi Nomura, Satoru Sawada
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Patent number: 7214945Abstract: A radiation detecting apparatus having a radiation conversion element arranged on a switch TFT is provided. The apparatus includes a gate electrode of the switch TFT; a first insulating layer, a first semiconductor layer, and an ohmic contact layer, which are arranged on the gate electrode in order; and a source/drain electrode of the switch TFT arranged on the ohmic contact layer, which all constitute the switch TFT. The apparatus also includes a lower electrode of the radiation conversion element formed from the same layer as the source/drain electrode, a second insulating layer, a second semiconductor layer, and a second ohmic contact layer, which are arranged on the lower electrode in order, and a bias wiring for applying a bias voltage to the radiation conversion element.Type: GrantFiled: June 6, 2003Date of Patent: May 8, 2007Assignee: Canon Kabushiki KaishaInventors: Keiichi Nomura, Masakazu Morishita, Chiori Mochizuki
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Publication number: 20070097796Abstract: The antenna circuit 42 includes: an MI magnetic sensor having an electric property which changes in accordance with a magnetic field change; a radio-frequency signal generator S1 to apply a radio-frequency signal to the MI magnetic sensor Z1; an inverter 92 to invert the radio-frequency signal; an adder 94 to reduce the radio-frequency signal by adding the inverted signal with a received signal obtained by the MI magnetic sensor Z1; and detectors D1 and D2 to detect the received signal in which the radio-frequency signal has been reduced. Further, included are a resonant circuit 620 including a magnetic sensor circuit Z1 and a resonant element such as quartz to retrieve a magnetic field change of a resonant frequency from a detected magnetic field change; and a resistance R0. Further, the magnetic sensor circuit 610 includes a magnetoresistance element 612, a DC power source 611 and a resistance R1.Type: ApplicationFiled: October 25, 2006Publication date: May 3, 2007Applicant: Casio Computer Co., Ltd.Inventors: Kaoru Someya, Keiichi Nomura
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Patent number: 7205568Abstract: In a solid state image pickup apparatus with a photodetecting device and one or more thin film transistors connected to the photodetecting device formed in one pixel, a part of the photodetecting device is formed over at least a part of the thin film transistor, and the thin film transistor is constructed by a source electrode, a drain electrode, a first gate electrode, and a second gate electrode arranged on the side opposite to the first gate electrode with respect to the source electrode and the drain electrode, and the first gate electrode is connected to the second gate electrode every pixel, thereby, suppressing an adverse effect of the photodetecting device on the TFT, a leakage at turn-off TFT, variation in a threshold voltage of the TFT due to an external electric field, and accurately transferring photo carrier to a signal processing circuit.Type: GrantFiled: February 10, 2004Date of Patent: April 17, 2007Assignee: Canon Kabushiki KaishaInventors: Minoru Watanabe, Masakazu Morishita, Chiori Mochizuki, Takamasa Ishii, Keiichi Nomura