Patents by Inventor Katsumi Imada
Katsumi Imada 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: 10562796Abstract: A liquid treatment apparatus includes a housing for storing a liquid, a first electrode at least part of which is arranged in the housing, a second electrode, a third electrode, a first power supply that, in operation, applies a first voltage between the first electrode and the second electrode to make the first electrode held effectively positive with respect to the second electrode, and a second power supply that, in operation, applies a second voltage between the second electrode and the third electrode to make the third electrode held effectively negative with respect to the second electrode. Plasma is generated inside a bubble, which is present in the liquid, when the liquid is stored in the housing and the first power supply applies the first voltage between the first electrode and the second electrode.Type: GrantFiled: April 28, 2017Date of Patent: February 18, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Katsumi Imada, Masahiro Iseki
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Patent number: 10105673Abstract: A treatment liquid production device includes a first tank; a first plasma generating device that includes a first pair of electrodes and a first power supply, the first power supply applying a voltage between the first pair of electrodes, the first plasma generating device generating plasma in a liquid in the first tank; a second tank; a second plasma generating device that includes a second pair of electrodes and a second power supply, the second power supply applying a voltage between the second pair of electrodes, the second plasma generating device generating plasma in a liquid in the second tank; and a controller operative to produce a first treatment liquid having a high initial oxidizing power during a first period and a second treatment liquid having a high remaining oxidizing power during a second period which is longer than the first period.Type: GrantFiled: May 28, 2015Date of Patent: October 23, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Katsumi Imada, Mariko Miyashita, Yoshiko Miyamoto
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Patent number: 9883930Abstract: A method comprises: bringing a plasma-treated liquid having an oxidizing power into contact with an object in an area; and mixing water and the plasma-treated liquid which remains in the area after the plasma-treated liquid is brought into contact with the object.Type: GrantFiled: May 24, 2016Date of Patent: February 6, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Mariko Miyashita, Katsumi Imada
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Publication number: 20170327390Abstract: A liquid treatment apparatus includes a housing for storing a liquid, a first electrode at least part of which is arranged in the housing, a second electrode, a third electrode, a first power supply that, in operation, applies a first voltage between the first electrode and the second electrode to make the first electrode held effectively positive with respect to the second electrode, and a second power supply that, in operation, applies a second voltage between the second electrode and the third electrode to make the third electrode held effectively negative with respect to the second electrode. Plasma is generated inside a bubble, which is present in the liquid, when the liquid is stored in the housing and the first power supply applies the first voltage between the first electrode and the second electrode.Type: ApplicationFiled: April 28, 2017Publication date: November 16, 2017Inventors: KATSUMI IMADA, MASAHIRO ISEKI
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Publication number: 20160346068Abstract: A method comprises: bringing a plasma-treated liquid having an oxidizing power into contact with an object in an area; and mixing water and the plasma-treated liquid which remains in the area after the plasma-treated liquid is brought into contact with the object.Type: ApplicationFiled: May 24, 2016Publication date: December 1, 2016Inventors: MARIKO MIYASHITA, KATSUMI IMADA
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Publication number: 20150352516Abstract: A treatment liquid production device includes a first tank; a first plasma generating device that includes a first pair of electrodes and a first power supply, the first power supply applying a voltage between the first pair of electrodes, the first plasma generating device generating plasma in a liquid in the first tank; a second tank; a second plasma generating device that includes a second pair of electrodes and a second power supply, the second power supply applying a voltage between the second pair of electrodes, the second plasma generating device generating plasma in a liquid in the second tank; and a controller operative to produce a first treatment liquid having a high initial oxidizing power during a first period and a second treatment liquid having a high remaining oxidizing power during a second period which is longer than the first period.Type: ApplicationFiled: May 28, 2015Publication date: December 10, 2015Inventors: KATSUMI IMADA, MARIKO MIYASHITA, YOSHIKO MIYAMOTO
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Patent number: 8704881Abstract: A stereoscopic image display device according to the present invention includes: an image generating section 4, which uses first and second images, captured by two image capturing sections arranged at a first optical axis interval, to generate two images to be viewed from two viewing points that are spaced by a wider interval than the first optical axis interval; and a display section 10 for presenting the two images generated by the image generating section 4 to a user's left and right eyes, respectively.Type: GrantFiled: May 28, 2010Date of Patent: April 22, 2014Assignee: Panasonic CorporationInventor: Katsumi Imada
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Patent number: 8471918Abstract: The generation of a false color at the periphery is prevented in an imaging device including a compound eye optical system in which parallax occurs for each color information.Type: GrantFiled: March 22, 2007Date of Patent: June 25, 2013Assignee: Panasonic CorporationInventor: Katsumi Imada
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Patent number: 8218032Abstract: A plurality of imaging regions are provided in one-to-one correspondence with a plurality of optical systems and are disposed on optical axes of the respective optical systems. Each imaging region has a plurality of pixels. The imaging apparatus further comprises an origin detecting means for detecting an origin of each imaging region, a pixel position specifying means for specifying positions of a plurality of pixels included in each imaging region using the origin as a reference, and a combination means for combining a plurality of images captured by the respective imaging regions. Thereby, it is possible to make a thin imaging apparatus capable of being easily assembled.Type: GrantFiled: February 22, 2011Date of Patent: July 10, 2012Assignee: Panasonic CorporationInventors: Michiyoshi Nagashima, Katsumi Imada, Seiji Nishiwaki
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Patent number: 8194169Abstract: An optical filter array (2) having a plurality of optical filters (2a to 2d) and a light shielding block (6) having light shielding walls (61a to 61d) forming a plurality of openings (6a to 6d) independent from each other are placed between a lens module (7) integrally having a plurality of lenses (1a to 1d) arranged on a single plane and a plurality of imaging regions (4a to 4d). The light shielding block is provided with first sliding surfaces (66 to 69). The lens module is provided with second sliding surfaces (56 to 59) sliding on the first sliding surfaces so that the lens module can rotate with respect to the light shielding block with an axis normal to the plurality of imaging regions as a rotation center axis. Thus, a small, thin, and low-cost compound eye camera module can be realized.Type: GrantFiled: January 12, 2007Date of Patent: June 5, 2012Assignee: Panasonic CorporationInventors: Satoshi Tamaki, Katsumi Imada, Tatsutoshi Suenaga
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Patent number: 8107000Abstract: The present invention includes: a plurality of lens portions, each having at least one lens; a plurality of image pickup regions which are provided to correspond to the lens portions, respectively, and each of which has a light receiving surface substantially perpendicular to a direction of an optical axis of the corresponding lens portion; an image pickup signal input portion 133 which receives image pickup signals generated by the image pickup regions; a transfer range determining portion 144 which determines a transfer range of the image pickup signals transferred from the image pickup regions to the image pickup signal input portion 133; an image pickup region driving portion 132 which drives the image pickup regions such that the image pickup signals corresponding to the transfer range determined by the transfer range determining portion 144 are transferred to the image pickup signal input portion 133; and a parallax calculating portion 142 which calculates a parallax based on the image pickup signals trType: GrantFiled: May 10, 2007Date of Patent: January 31, 2012Assignee: Panasonic CorporationInventors: Tomokuni Iijima, Katsumi Imada, Satoshi Tamaki
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Publication number: 20110237965Abstract: A pulse wave detector includes a) a light source repeatedly turned on and off, b) a light receiving element for receiving light, and c) an arithmetic processor for processing an output value acquired through the light receiving element. The arithmetic processor performs arithmetic processing for calculating the difference between a first output value acquired through the light receiving element when the light source is turned on and a second output value acquired through the light receiving element when the light source is turned off. With this structure, a pulse wave detector capable of detecting pulse waves even under the conditions where external light intensity varies can be provided.Type: ApplicationFiled: March 14, 2011Publication date: September 29, 2011Applicant: Panasonic CorporationInventors: Takuya Hayashi, Katsumi Imada, Susumu Fukushima
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Publication number: 20110149050Abstract: A stereoscopic image display device according to the present invention includes: an image generating section 4, which uses first and second images, captured by two image capturing sections arranged at a first optical axis interval, to generate two images to be viewed from two viewing points that are spaced by a wider interval than the first optical axis interval; and a display section 10 for presenting the two images generated by the image generating section 4 to a user's left and right eyes, respectively.Type: ApplicationFiled: May 28, 2010Publication date: June 23, 2011Inventor: Katsumi Imada
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Publication number: 20110141309Abstract: A plurality of imaging regions are provided in one-to-one correspondence with a plurality of optical systems and are disposed on optical axes of the respective optical systems. Each imaging region has a plurality of pixels. The imaging apparatus further comprises an origin detecting means for detecting an origin of each imaging region, a pixel position specifying means for specifying positions of a plurality of pixels included in each imaging region using the origin as a reference, and a combination means for combining a plurality of images captured by the respective imaging regions. Thereby, it is possible to make a thin imaging apparatus capable of being easily assembled.Type: ApplicationFiled: February 22, 2011Publication date: June 16, 2011Applicant: PANASONIC CORPORATIONInventors: Michiyoshi NAGASHIMA, Katsumi IMADA, Seiji NISHIWAKI
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Patent number: 7924409Abstract: A rangefinder includes: a lens system (3) including multiple lenses (3a, 3b) arranged so that their optical axes are parallel to each other and integrated together; an imager (4) having image capturing areas (4a, 4b) that face the lenses (3a, 3b) and transforming light incident on the image capturing areas into an electrical signal; a transparent plate (6) arranged between the imager and the lens system and having substantially the same thermal expansion coefficient as the lenses (3a, 3b); markers (11a, 11b) provided on the transparent plate for the lenses (3a, 3b) and each casting its shadow on an associated image capturing area (4a, 4b); a signal receiving section (21) receiving the electrical signal from the imager; and an image processing section (22) correcting the positions of the optical axes of the lenses by reference to information about the locations of the markers (11a, 11b) on the respective images, thereby determining the distance to an object by performing a triangulation based on the correctedType: GrantFiled: February 17, 2009Date of Patent: April 12, 2011Assignee: Panasonic CorporationInventor: Katsumi Imada
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Patent number: 7924327Abstract: A plurality of imaging regions are provided in one-to-one correspondence with a plurality of optical systems and are disposed on optical axes of the respective optical systems. Each imaging region has a plurality of pixels. The imaging apparatus further comprises an origin assigning means for assigning an origin of each imaging region, a pixel position specifying means for specifying positions of a plurality of pixels included in each imaging region using the origin as a reference, and a combination means for combining a plurality of images captured by the respective imaging regions. Thereby, it is possible to make a thin imaging apparatus capable of being easily assembled.Type: GrantFiled: September 30, 2004Date of Patent: April 12, 2011Assignee: Panasonic CorporationInventors: Michiyoshi Nagashima, Katsumi Imada, Seiji Nishiwaki
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Patent number: 7865076Abstract: A lens module (7) that includes a plurality of lenses (1a, 1b), a plurality of optical filters (2a, 2b) corresponding to the individual lenses (1a, 1b), an imaging device (4) that includes a plurality of imaging regions (4a, 4b) corresponding to the individual optical filters (2a, 2b), and a light-shielding wall (61a to 61d) that is provided perpendicularly to the imaging device (4) are provided. The adjacent imaging regions (4a, 4b) are partitioned by the light-shielding wall (61a). The light-shielding wall (61a) includes a plurality of inclined surfaces (63) that are inclined with respect to an imaging plane of the imaging regions (4a, 4b), and the plurality of inclined surfaces (63) are disposed sequentially from a side of the lens module (7) to a side of the imaging regions (4a, 4b). Each of the inclined surfaces (63) is inclined toward the side of the imaging regions (4a, 4b) with increasing distance from the light-shielding wall (61a).Type: GrantFiled: April 13, 2007Date of Patent: January 4, 2011Assignee: Panasonic CorporationInventors: Satoshi Tamaki, Tatsutoshi Suenaga, Katsumi Imada
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Publication number: 20100225755Abstract: An optical filter array (2) having a plurality of optical filters (2a to 2d) and a light shielding block (6) having light shielding walls (61a to 61d) forming a plurality of openings (6a to 6d) independent from each other are placed between a lens module (7) integrally having a plurality of lenses (1a to 1d) arranged on a single plane and a plurality of imaging regions (4a to 4d). The light shielding block is provided with first sliding surfaces (66 to 69). The lens module is provided with second sliding surfaces (56 to 59) sliding on the first sliding surfaces so that the lens module can rotate with respect to the light shielding block with an axis normal to the plurality of imaging regions as a rotation center axis. Thus, a small, thin, and low-cost compound eye camera module can be realized.Type: ApplicationFiled: January 12, 2007Publication date: September 9, 2010Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Satoshi Tamaki, Katsumi Imada, Tatsutoshi Suenaga
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Patent number: 7742087Abstract: A plurality of imaging regions (104, 105 and 106) capture a plurality of images, respectively, via a plurality of imaging optical systems (101, 102 and 103) corresponding one to one to the plurality of imaging regions. An image combining means (115) eliminates a difference among the plurality of images and combines the plurality of images into a single image. Thereby, it is possible to obtain a combined image of high quality.Type: GrantFiled: December 12, 2005Date of Patent: June 22, 2010Assignee: Panasonic CorporationInventors: Katsumi Imada, Tsuguhiro Korenaga
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Publication number: 20100118291Abstract: A rangefinder includes: a lens system (3) including multiple lenses (3a, 3b) arranged so that their optical axes are parallel to each other and integrated together; an imager (4) having image capturing areas (4a, 4b) that face the lenses (3a, 3b) and transforming light incident on the image capturing areas into an electrical signal; a transparent plate (6) arranged between the imager and the lens system and having substantially the same thermal expansion coefficient as the lenses (3a, 3b); markers (11a, 11b) provided on the transparent plate for the lenses (3a, 3b) and each casting its shadow on an associated image capturing area (4a, 4b); a signal receiving section (21) receiving the electrical signal from the imager; and an image processing section (22) correcting the positions of the optical axes of the lenses by reference to information about the locations of the markers (11a, 11b) on the respective images, thereby determining the distance to an object by performing a triangulation based on the correctedType: ApplicationFiled: February 17, 2009Publication date: May 13, 2010Inventor: Katsumi Imada