Patents by Inventor Kazuchika Sato
Kazuchika Sato 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: 8531089Abstract: An array-type ultrasonic vibrator according to the present invention has an acoustic matching layer that has a plate-like body made of a material having a lower acoustic impedance than a plurality of piezoelectric elements. Signal wiring is formed on the plate-like body of the acoustic matching layer. Accordingly, for this array-type ultrasonic vibrator, the signal wiring can be easily formed without using additional components.Type: GrantFiled: August 21, 2009Date of Patent: September 10, 2013Assignee: Konica Minolta Medical & Graphic, Inc.Inventors: Kazuchika Sato, Satoru Hirose, Masaki Asano
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Patent number: 8427575Abstract: An image sensing apparatus includes: an image sensor which generates an electrical signal commensurate with an amount of incident light, and has a photoelectric conversion characteristic comprised of a linear characteristic area where the electrical signal is outputted after being linearly converted in relation to the amount of incident light, and a logarithmic characteristic area where the electrical signal is outputted after being logarithmically converted in relation to the amount of incident light; an exposure evaluation value detector which detects an exposure evaluation value based on luminance information acquired from a subject in sensing an image of the subject; and an exposure controller which acquires a setting value for exposure based on the exposure evaluation value detected by the exposure evaluation value detector to control exposure of the image sensing apparatus, wherein the exposure controller determines a subject luminance for exposure setting based on the exposure evaluation value, and conType: GrantFiled: June 14, 2012Date of Patent: April 23, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Koichi Kamon, Kazuchika Sato, Jun Minakuti
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Publication number: 20120268632Abstract: An image sensing apparatus includes: an image sensor which generates an electrical signal commensurate with an amount of incident light, and has a photoelectric conversion characteristic comprised of a linear characteristic area where the electrical signal is outputted after being linearly converted in relation to the amount of incident light, and a logarithmic characteristic area where the electrical signal is outputted after being logarithmically converted in relation to the amount of incident light; an exposure evaluation value detector which detects an exposure evaluation value based on luminance information acquired from a subject in sensing an image of the subject; and an exposure controller which acquires a setting value for exposure based on the exposure evaluation value detected by the exposure evaluation value detector to control exposure of the image sensing apparatus, wherein the exposure controller determines a subject luminance for exposure setting based on the exposure evaluation value, and conType: ApplicationFiled: June 14, 2012Publication date: October 25, 2012Inventors: Koichi Kamon, Kazuchika Sato, Jun Minakuti
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Patent number: 8265409Abstract: An image processing device and an image processing method of the invention generate multiple images having different edge preservation performances based on an original image, and synthesize the multiple images based on edge information. In the synthesis, the generated images are synthesized in such a manner that an image of an edge portion in the generated image having a low edge preservation performance is replaced by the generated image having a high edge preservation performance.Type: GrantFiled: December 20, 2007Date of Patent: September 11, 2012Assignee: Konica Minolta Holdings, Inc.Inventors: Tetsuya Katagiri, Kazuchika Sato
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Patent number: 8233059Abstract: An image sensing apparatus includes: an image sensor which generates an electrical signal commensurate with an amount of incident light, and has a photoelectric conversion characteristic comprised of a linear characteristic area where the electrical signal is outputted after being linearly converted in relation to the amount of incident light, and a logarithmic characteristic area where the electrical signal is outputted after being logarithmically converted in relation to the amount of incident light; an exposure evaluation value detector which detects an exposure evaluation value based on luminance information acquired from a subject in sensing an image of the subject; and an exposure controller which acquires a setting value for exposure based on the exposure evaluation value detected by the exposure evaluation value detector to control exposure of the image sensing apparatus, wherein the exposure controller determines a subject luminance for exposure setting based on the exposure evaluation value, and conType: GrantFiled: May 26, 2005Date of Patent: July 31, 2012Assignee: Konica Minolta Holdings, Inc.Inventors: Koichi Kamon, Kazuchika Sato, Jun Minakuti
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Patent number: 8213063Abstract: An image sensing apparatus including an image sensor having a first area and a second area and a gradation converter for applying a gradation conversion to an image signal is provided with a gradation conversion LUT storage storing at least two kinds of gradation conversion information. The image sensing apparatus is also provided with a gradation conversion information rewriting section for rewriting the gradation conversion information into new gradation conversion information. There can be provided an image sensing apparatus capable of carrying out a precise gradation conversion even in the case that the inflection point between the first area and the second area of the image sensor constantly changes.Type: GrantFiled: June 1, 2005Date of Patent: July 3, 2012Assignee: Konica Minolta Holdings, Inc.Inventors: Koichi Kamon, Kazuchika Sato, Jun Minakuti, Tetuya Katagiri
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Patent number: 8086032Abstract: An illumination component extractor is operable to extract an illumination component from input image data by: performing a smoothing process a certain number of times to generate a plurality of smooth image data having resolutions different from one another from the input image data, the smoothing process including an operation of filtering the input image data with use of a low-pass filter having a predetermined size and an operation of downsampling the filtered input image data; and performing an inverse-smoothing process a certain number of times, the inverse-smoothing process including an operation of replacing an edge portion of a smooth image data having a lower resolution with a smooth image data having a higher resolution, and an operation of upsampling the replaced smooth image data. The input image data is color image data which has been obtained by an image sensor including a number of pixels having different spectral sensitivities.Type: GrantFiled: September 16, 2008Date of Patent: December 27, 2011Assignee: Konica Minolta Opto, Inc.Inventors: Koichi Kamon, Tetsuya Katagiri, Kazuchika Sato
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Publication number: 20110198968Abstract: An array-type ultrasonic vibrator according to the present invention has an acoustic matching layer that has a plate-like body made of a material having a lower acoustic impedance than a plurality of piezoelectric elements. Signal wiring is formed on the plate-like body of the acoustic matching layer. Accordingly, for this array-type ultrasonic vibrator, the signal wiring can be easily formed without using additional components.Type: ApplicationFiled: August 21, 2009Publication date: August 18, 2011Applicant: Konica Minolta Medical & Graphic, Inc.Inventors: Kazuchika Sato, Satoru Hirose, Masaki Asano
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Patent number: 7898583Abstract: An image processing device includes: a frequency divider for performing a frequency division processing of dividing an input image into a plurality of frequency components each having a frequency band; a noise remover for performing a noise component removal processing of removing a noise component from a high frequency component in the frequency components each having the frequency band obtained by the frequency division processing by the frequency divider; an edge preservation information calculator for detecting an edge intensity based on a low frequency component in the frequency components each having the frequency band obtained by the frequency division processing by the frequency divider, and calculating edge preservation information relating to a degree of preserving an edge component based on the detected edge intensity; an edge preserving section for preserving the edge component in the high frequency component, based on the edge preservation information calculated by the edge preservation informatiType: GrantFiled: July 2, 2007Date of Patent: March 1, 2011Assignee: Konica Minolta Holdings, Inc.Inventors: Junya Wakahara, Kazuchika Sato, Koichi Kamon
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Patent number: 7839442Abstract: An object of the present invention is to provide a solid-state image sensing device configured to change a bias voltage given to the photoelectric converting section at the time of resetting so that an operative condition of the photoelectric converting section after the resetting can be maintained a constant condition regardless of an amount of the incident light. To achieve the object, an MOS transistor T5 is provided. The drain of the MOS transistor T5 is connected with a gate and a drain of an MOS transistor T2 and the source of the MOS transistor T5configured to be applied a DC voltage VRS. Here, a signal ? V is given, an MOS transistor T4is turned on, and image data is output. A signal ? RS is given and the MOS transistor T5 is turned on. As a result, a gate voltage Vg of the MOS transistor T2 is maintained as a constant voltage value. Then, a reset operation for pixels is stared.Type: GrantFiled: September 27, 2005Date of Patent: November 23, 2010Assignee: Konica Minolta Holdings, Inc.Inventors: Tomokazu Kakumoto, So Yano, Masayuki Kusuda, Kazuchika Sato, Yoshihiro Tanaka
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Patent number: 7714928Abstract: An image sensing apparatus is provided with an image sensor having a photoelectric conversion characteristic having a linear characteristic area where an electrical signal is outputted after being linearly converted in relation to an amount of an incident light and a logarithmic characteristic area where the electrical signal is outputted after being logarithmically converted in relation to the amount of the incident light; an evaluation value detector for detecting exposure evaluation values concerning an exposure control based on a luminance information of a subject; and a central control unit for controlling the exposure based on the exposure evaluation values detected by the evaluation value detector.Type: GrantFiled: January 12, 2005Date of Patent: May 11, 2010Assignee: Konica Minolta Holdings, Inc.Inventors: Koichi Kamon, Kazuchika Sato, Jun Minakuti
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Patent number: 7667764Abstract: An image sensing apparatus is constructed in such a manner that a calculation priority setter 5111 (5111a) sets a priority between exposure amount control by an exposure amount control parameter calculator 511 (511a) serving as exposure amount controller, and dynamic range control by a dynamic range control parameter calculator 512 (512a) serving as dynamic range controller. Exposure control is executed by performing the exposure amount control and the dynamic range control based on a photoelectric conversion characteristic, by using exposure evaluation values detected by an evaluation value detector 405, based on the priority set by the calculation priority setter 5111 (5111a).Type: GrantFiled: June 2, 2005Date of Patent: February 23, 2010Assignee: Konica Minolta Holdings, Inc.Inventors: Koichi Kamon, Kazuchika Sato, Jun Minakuti
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Publication number: 20090080771Abstract: An illumination component extractor is operable to extract an illumination component from input image data by: performing a smoothing process a certain number of times to generate a plurality of smooth image data having resolutions different from one another from the input image data, the smoothing process including an operation of filtering the input image data with use of a low-pass filter having a predetermined size and an operation of downsampling the filtered input image data; and performing an inverse-smoothing process a certain number of times, the inverse-smoothing process including an operation of replacing an edge portion of a smooth image data having a lower resolution with a smooth image data having a higher resolution, and an operation of upsampling the replaced smooth image data. The input image data is color image data which has been obtained by an image sensor including a number of pixels having different spectral sensitivities.Type: ApplicationFiled: September 16, 2008Publication date: March 26, 2009Applicant: Konica Minolta Opto, IncInventors: Koichi KAMON, Tetsuya Katagiri, Kazuchika Sato
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Patent number: 7508422Abstract: An image sensing apparatus is provided with an image sensor having a photoelectric conversion characteristic comprised of a linear characteristic area where an electrical signal is outputted after being linearly converted in relation to an amount of an incident light and a logarithmic characteristic area where the electrical signal is outputted after being logarithmically converted in relation to the amount of the incident light. An evaluation value detector of a signal processing unit detects evaluation values concerning an image sensing control from each of the linear characteristic area and the logarithmic characteristic area upon picking up an image of a subject based on pieces of subject luminance information in the respective areas. A central control unit (image sensing controller) carries out the image sensing control based on the evaluation values corresponding to the respective areas detected by the evaluation value detector.Type: GrantFiled: February 7, 2005Date of Patent: March 24, 2009Assignee: Konica Minolta Holdings, Inc.Inventors: Koichi Kamon, Kazuchika Sato, Jun Minakuti
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Patent number: 7492398Abstract: A three-dimensional input apparatus for generating data specifying the shape of an object by receiving the light from the object is disclosed. The detection light is irradiated toward the object by a projector so as to scan a virtual surface. An image sensing device detects the light reflected from the object. A controller thins out data and outputs it to the image sensing device in a direction corresponding to the main scanning direction of the virtual surface of the image sensing device. The controller also controls the image sensing device such that the light-receiving signal is repeatedly read on a line along the direction of movement of the received detection light in an effective area constituting a part of the image sensing surface thereby to read the light-receiving signal in the effective area.Type: GrantFiled: September 27, 1999Date of Patent: February 17, 2009Assignee: Minolta Co., LtdInventors: Toshio Norita, Kazuchika Sato, Hiroyuki Okada, Makoto Miyazaki, Koichi Kamon
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Publication number: 20080159646Abstract: An image processing device and an image processing method of the invention generate multiple images having different edge preservation performances based on an original image, and synthesize the multiple images based on edge information. In the synthesis, the generated images are synthesized in such a manner that an image of an edge portion in the generated image having a low edge preservation performance is replaced by the generated image having a high edge preservation performance.Type: ApplicationFiled: December 20, 2007Publication date: July 3, 2008Inventors: Tetsuya KATAGIRI, Kazuchika SATO
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Publication number: 20080122953Abstract: An image processing device includes: a frequency divider for performing a frequency division processing of dividing an input image into a plurality of frequency components each having a frequency band; a noise remover for performing a noise component removal processing of removing a noise component from a high frequency component in the frequency components each having the frequency band obtained by the frequency division processing by the frequency divider; an edge preservation information calculator for detecting an edge intensity based on a low frequency component in the frequency components each having the frequency band obtained by the frequency division processing by the frequency divider, and calculating edge preservation information relating to a degree of preserving an edge component based on the detected edge intensity; an edge preserving section for preserving the edge component in the high frequency component, based on the edge preservation information calculated by the edge preservation informatiType: ApplicationFiled: July 2, 2007Publication date: May 29, 2008Inventors: Junya Wakahara, Kazuchika Sato, Koichi Kamon
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Patent number: 7190395Abstract: An image of which restoration degree is determined based on the difference between each pixel and a neighboring pixel of the pixel in a light receiving element array 101 is divided into a plurality of areas based on the determined restoration degree, and the areas of the image are each restored in accordance with the determined restoration degree. By doing this, not only ringing and noise enhancement can effectively be suppressed but also the border between the areas which is conspicuous when the image is divided into two kinds of areas becomes less conspicuous, so that a natural restored image can be obtained.Type: GrantFiled: April 2, 2002Date of Patent: March 13, 2007Assignee: Minolta Co., Ltd.Inventors: Yuusuke Nakano, Mutsuhiro Yamanaka, Kazuchika Sato
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Publication number: 20060268127Abstract: When picking up an image using an image pickup device having a photoelectric conversion characteristic composed of a linear characteristic region and a logarithmic characteristic region, regardless of an image pickup mode and a recording mode, an image pickup apparatus always obtaining optimum images will be provided. An image pickup apparatus for recording any of an unprocessed image, an image subject to a predetermined image process and image compression, and an image subject to the predetermined image process, a wide dynamic range image processing, and image compression in accordance with the image pickup mode and recording mode, thereby always obtaining optimum images will be provided.Type: ApplicationFiled: May 24, 2006Publication date: November 30, 2006Inventors: Kazuchika Sato, Masataka Hamada, Yasuaki Serita, Tsuyoshi Iwamoto, Koichi Kamon, Tomokazu Kakumoto
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Patent number: 7116359Abstract: An image acquired by an image sensor is recorded, and the blur amount of the recorded image is changed in accordance with a blur amount determined beforehand.Type: GrantFiled: November 15, 2001Date of Patent: October 3, 2006Assignee: Minolta Co., Ltd.Inventors: Masahiro Kitamura, Kazuchika Sato, Noriyuki Okisu, Mutsuhiro Yamanaka, Yuji Adachi, Keiji Tamai