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Atsushi Iwashita patents

Recent patents with Atsushi Iwashita listed as an inventor - additional entries may be under other spellings.


Atsushi Iwashita - Related organizations: Canon Kabushiki Kaisha patents

Radiation imaging apparatus, radiation imaging system, and irradiation start detection method

12/22/16 - 20160370225 - A radiation imaging apparatus includes a pixel array having a plurality of pixels configured to detect radiation, a detector configured to detect radiation irradiation, and a controller. In a case in which a measured value obtained by using the detector exceeds a threshold in one range out of a positive
Inventors: Atsushi Iwashita, Toshio Kameshima, Hideyuki Okada, Eriko Sato

Radiographic image capturing apparatus and radiographic image capturing system

10/06/16 - 20160291170 - A radiographic image capturing apparatus includes: a pixel array in which a plurality of pixels outputting an electrical signal corresponding to radiation are arranged; a readout circuit section; and a member for preventing radiation from entering the readout circuit section. The pixel array includes a first region in which some
Inventors: Katsuro Takenaka, Toshio Kameshima, Tomoyuki Yagi, Atsushi Iwashita, Eriko Sato, Hideyuki Okada, Takuya Ryu, Kosuke Terui, Takashi Takasaki

Radiation imaging apparatus and radiation imaging system

09/22/16 - 20160270755 - A radiation imaging apparatus is provided. The apparatus comprises a plurality of pixels and a signal processing unit configured to read out an analog signal from each pixel and output an image signal. The signal processing unit comprises a conversion unit configured to convert the analog signal into a digital
Inventors: Katsuro Takenaka, Shinichi Takeda, Atsushi Iwashita, Sho Sato, Kosuke Terui, Yoshiaki Ishii

Radiation imaging apparatus and radiation imaging system

06/23/16 - 20160178764 - A radiation imaging system for performing a plurality of times of radiation imaging is provided. A readout circuit generates a value corresponding to a signal read out from each pixel. A control unit causes the readout circuit to generate a first pixel value corresponding to a signal read out from
Inventors: Takuya Ryu, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Atsushi Iwashita, Eriko Sato, Hideyuki Okada, Kosuke Terui

Radiation imaging system

05/12/16 - 20160134818 - A radiation imaging system capable of obtaining excellent image quality is provided. The radiation imaging system includes a detection unit (205) configured to include a plurality of pixels which are arranged in a matrix and which output pixel values by converting radial rays into charges and to output image information,
Inventors: Atsushi Iwashita, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Hideyuki Okada, Sho Sato, Eriko Sato, Takuya Ryu

Radiation imaging apparatus

03/24/16 - 20160084969 - A radiation imaging apparatus includes a pixel array where a plurality of pixels configured to detect radiation are arrayed, a sensor configured to detect radiation irradiation for exposure control, a reader configured to read out signals from the plurality of pixels and the sensor, and a processor configured to process
Inventors: Eriko Sato, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Atsushi Iwashita, Hideyuki Okada, Takuya Ryu, Kosuke Terui

Radiation image capturing apparatus and method of driving the same

01/21/16 - 20160021290 - A radiation image capturing apparatus, comprising a sensor configured to monitor an irradiating dose of radiation, a switch configured output a sensor signal from the sensor, a readout unit configured to read out the sensor signal via a signal line, and a controlling unit, wherein the controlling unit performs first
Inventors: Tomoyuki Yagi, Toshio Kameshima, Katsuro Takenaka, Atsushi Iwashita, Eriko Sato, Hideyuki Okada, Takuya Ryu, Kosuke Terui

Radiation imaging apparatus and radiation imaging system

01/21/16 - 20160015358 - Provided is a radiation imaging apparatus, including: a first conversion element arranged to convert a radiation ray into electric charge in order to obtain a radiographic image; a first amplifier arranged to output a voltage corresponding to the electric charge of the first conversion element; a second conversion element arranged
Inventors: Tomoyuki Yagi, Toshio Kameshima, Katsuro Takenaka, Atsushi Iwashita, Eriko Sato, Hideyuki Okada, Takuya Ryu, Kosuke Terui

Radiographic image capturing apparatus and control method thereof

11/26/15 - 20150338530 - A radiographic image capturing apparatus, comprising a plurality of sensors arrayed on a substrate, a driving unit, a detection unit and a control unit, wherein the control unit is configured to perform a first control controlling the driving unit so as to repeatedly initialize the plurality of sensors on a
Inventors: Hideyuki Okada, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Atsushi Iwashita, Eriko Sato, Takuya Ryu, Kosuke Terui

Radiation imaging apparatus and control method of the same

10/15/15 - 20150293238 - A radiation imaging apparatus comprising a plurality of sensors arrayed to form a plurality of rows and a plurality of columns on a substrate and a driving unit configured to drive the plurality of sensors row by row, wherein the driving unit performs a first operation of driving the plurality
Inventors: Atsushi Iwashita, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Hideyuki Okada, Eriko Sato, Takuya Ryu, Kosuke Terui

Imaging apparatus and imaging system

10/01/15 - 20150279882 - An imaging apparatus includes a pixel that generates charge; an integral amplifier that integrates charge transferred from the pixel; a low pass filter to which output of the integral amplifier is supplied and whose time constant is variable; first and second sample-and-hold circuits that sample and hold output of the
Inventors: Tomoyuki Yagi, Toshio Kameshima, Katsuro Takenaka, Sho Sato, Hideyuki Okada, Atsushi Iwashita, Eriko Sato, Takuya Ryu

Radiation imaging system

12/11/14 - 20140361189 - A radiation imaging system includes: a sensor unit including a plurality of pixels arranged in a matrix, and configured to convert a radiation into an electric charge and to output a pixel output value; a detecting unit configured to detect an irradiation start of the radiation; and a control unit
Inventors: Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Sho Sato, Atsushi Iwashita, Eriko Sato, Hideyuki Okada, Takuya Ryu

Radiation imaging apparatus and radiation imaging system

12/11/14 - 20140361184 - A radiation imaging apparatus comprises a conversion element and a transistor. A drive unit performs a reset operation at a plurality of times, by supplying a conducting voltage to gates of the transistors, successively, one row by one row, an operation of stopping the supplying of the conducting voltage responsive
Inventors: Sho Sato, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Hideyuki Okada, Atsushi Iwashita, Eriko Sato, Takuya Ryu

Imaging apparatus and imaging system

10/30/14 - 20140320685 - An imaging apparatus, comprising a sensor array in which a plurality of sensors are arrayed, a first readout unit configured to read out, from each of the plurality of sensors, a first signal corresponding to an amount of one of an electron and a hole of each of electron-hole pairs
Inventors: Katsuro Takenaka, Toshio Kameshima, Tomoyuki Yagi, Sho Sato, Atsushi Iwashita, Eriko Sato, Hideyuki Okada, Takuya Ryu

Imaging system

09/25/14 - 20140285689 - An imaging system comprises: a plurality of pixels each for converting light, converted from radiation by a conversion unit, into an electrical signal; an extracting unit that extracts, based on an image formed based on output signals from the pixels, a pixel with noise generated by the radiation that has
Inventors: Takuya Ryu, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Sho Sato, Atsushi Iwashita, Eriko Sato, Hideyuki Okada

Radiation image pickup system

09/25/14 - 20140284491 - A radiation image pickup system includes a correction coefficient calculation unit that calculates a correction coefficient using pixel output values of a plurality of pixels, and a correction unit that corrects pixel output values of a plurality of pixels using the correction coefficient. A drive control unit repeatedly resets an
Inventors: Sho Sato, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Hideyuki Okada, Atsushi Iwashita, Eriko Sato, Takuya Ryu

Radiation image pickup apparatus, radiation image pickup system, method for controlling radiation image pickup apparatus, and program

09/18/14 - 20140264060 - A radiation image pickup apparatus includes a pixel array including a plurality of pixels arranged in a matrix and configured to convert a radiant ray into electric signals, signal processors configured to output digital signals obtained in accordance with the electric signals output from the pixel array in parallel, and
Inventors: Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Sho Sato, Atsushi Iwashita, Eriko Sato, Hideyuki Okada, Takuya Ryu, Kosuke Terui

Radiation imaging apparatus and radiation imaging system

08/28/14 - 20140241506 - A radiation imaging apparatus includes a pixel array having pixels including conversion elements and switching elements, a bias line for supplying a bias potential to the conversion elements; driving lines for supplying a signal to control the switching elements, a driving unit for performing an initialization operation of supplying a
Inventors: Atsushi Iwashita, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Hideyuki Okada, Sho Sato, Eriko Sato, Takuya Ryu

Radiation imaging apparatus and radiation imaging system

08/28/14 - 20140241501 - A radiation imaging apparatus includes a pixel array having pixels, a bias line applying a bias potential to converters of the pixels, a detection circuit which detects a current flowing to the bias line, and a control unit which detects a start of radiation irradiation to the pixel array based
Inventors: Eriko Sato, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Hideyuki Okada, Sho Sato, Atsushi Iwashita, Takuya Ryu

Radiation imaging apparatus and radiation imaging system

08/28/14 - 20140239187 - A radiation imaging apparatus includes a pixel array in which a plurality of pixels which detects radiation are arrayed to form a plurality of rows and a plurality of columns, a detection circuit which detects information having correlation to a radiation dose to the pixel array and output a detection
Inventors: Atsushi Iwashita, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Hideyuki Okada, Sho Sato, Eriko Sato, Takuya Ryu

Radiation imaging apparatus, radiation inspection apparatus, method for correcting signal, and computer-readable storage medium

08/28/14 - 20140239186 - A radiation imaging apparatus, comprising a pixel array on which a plurality of pixels are arrayed, a readout unit configured to read out a signal from the pixel array, a first unit configured to specify a portion of the signal read out by the readout unit, at which a saturated
Inventors: Eriko Sato, Toshio Kameshima, Tomoyuki Yagi, Katsuro Takenaka, Hideyuki Okada, Sho Sato, Atsushi Iwashita, Takuya Ryu

Imaging apparatus and imaging system

07/03/14 - 20140185764 - An imaging apparatus has an AEC function that can prevent irregularities in photographed images, without being increased in size. The imaging apparatus comprises a plurality of pixels arranged in a matrix shape, each of the plurality of pixels including a conversion element for converting radiation or light into an electric
Inventors: Katsuro Takenaka, Toshio Kameshima, Tomoyuki Yagi, Sho Sato, Atsushi Iwashita, Eriko Sato, Hideyuki Okada, Takuya Ryu

Imaging apparatus, control method therefor, and imaging system

04/24/14 - 20140112448 - An imaging apparatus comprises: a detecting unit 101 having a plurality of pixels 201 arranged in a matrix, each including a conversion element and a switch element for outputting a photoelectric conversion signal; a drive circuit unit 102 controlling the switching element such that the switching elements at least in
Inventors: Katsuro Takenaka, Toshio Kameshima, Tomoyuki Yagi, Sho Sato, Atsushi Iwashita, Eriko Sugawara


### Atsushi Iwashita patent invention listings

The bibliographic references displayed about Atsushi Iwashita's patents are for a recent sample of Atsushi Iwashita's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Atsushi Iwashita filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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