Patents by Inventor Mayuko Yamagata
Mayuko Yamagata 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: 9888149Abstract: An image printing apparatus can print an image in which graininess is suppressed while using a color material of light blue. To achieve this, the color material of light blue satisfies the following condition. ?LB?(?LC??LB)>0 and ?LB?(?LM??LB)>0 Here, ?LC represents a difference in lightness between cyan ink and a blank area, ?LM represents a difference in lightness between magenta ink and the blank area, and ?LB represents a difference in lightness between light blue ink and the blank area. Further, the color material of light blue satisfies the following condition. hC+(h(C+M)?hC)/2?hB?hM?(hM?h(C+M))/2 Here, hC represents a hue of the cyan ink, hM represents a hue of the magenta ink, h(C+M) represents a hue of the image printed with the cyan ink and the magenta ink in the same amount, and hB represents a hue of the light blue ink.Type: GrantFiled: July 22, 2016Date of Patent: February 6, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Fumiko Suzuki, Mayuko Yamagata, Satoshi Seki, Hirokazu Tanaka, Gou Sasaki, Tsukasa Doi, Kiichiro Takahashi
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Patent number: 9862214Abstract: Recording is performs that suppresses ink discharge position deviation between scans while suppressing graininess in a case of using multiple types of ink.Type: GrantFiled: August 2, 2016Date of Patent: January 9, 2018Assignee: Canon Kabushiki KaishaInventors: Fumiko Suzuki, Hirokazu Tanaka, Gou Sasaki, Tsukasa Doi, Satoshi Seki, Mayuko Yamagata, Kiichiro Takahashi
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Patent number: 9855774Abstract: A recording apparatus includes a recording head including a plurality of recording elements arranged in a predetermined direction, and a determination unit configured to determine a first mode in which a specified image is recorded or a second mode in which a pattern is recorded in each of recording scannings in forward and backward directions to form an adjustment pattern for adjusting a recording position in the intersecting direction of the recording head, and the recording position of the recording head in accordance with the formed adjustment pattern is adjusted, in which a driving unit controls driving of the recording elements in a manner that a correspondence relationship between positions in the predetermined direction and the intersecting direction among a plurality of dots that form the same column is varied or is the same in the recording scannings in the forward and backward directions in accordance with the determined mode.Type: GrantFiled: August 2, 2016Date of Patent: January 2, 2018Assignee: Canon Kabushiki KaishaInventors: Satoshi Seki, Kiichiro Takahashi, Hirokazu Tanaka, Fumiko Suzuki, Gou Sasaki, Mayuko Yamagata, Tsukasa Doi
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Patent number: 9844960Abstract: The driving order of driving blocks is controlled so that ink landing positions from driving blocks differ from each other in multiple scans. Recording data is generated so that, of pixels where ink is discharged in one scan, the number of pixels adjacent at both sides in the scanning direction to pixels where ink is discharged in another scan is greater than the number of pixels not adjacent at both sides in the scanning direction to pixels where ink is discharged the other scan.Type: GrantFiled: August 2, 2016Date of Patent: December 19, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Hirokazu Tanaka, Gou Sasaki, Tsukasa Doi, Satoshi Seki, Fumiko Suzuki, Mayuko Yamagata, Kiichiro Takahashi
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Patent number: 9815274Abstract: A dividing unit generates, from input data, divided data corresponding to the first area and the second area to be printed by a recording head and partly overlapping each other. The dividing unit supplies the respective divided data to the first processing unit and the second processing unit which can concurrently perform processing. Each of the first and second processing units generates the recording image data from the divided data based on a characteristic of the recording head corresponding to a recording area assigned to one of the processing units and a partial area assigned to the other processing unit. Each of the first and second processing units then performs driving control on the recording head based on data, in generated recording image data, which corresponds to an area recorded by one of the processing units.Type: GrantFiled: November 16, 2016Date of Patent: November 14, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Kouta Murasawa, Shinichi Miyazaki, Yusuke Hashii, Yugo Mochizuki, Mayuko Yamagata, Akitoshi Yamada, Masao Kato
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Patent number: 9672450Abstract: An image recording apparatus according to this invention analyzes image data to be printed, and generates sequence information for defining the moving range of each scanning motion of a recording head and the conveyance amount of a recording medium. The apparatus divides a recording area defined by the generated sequence information into areas so that the processing amounts of a plurality of processing units capable of parallelly executing processes are equal to each other, distributes data of the divided areas to the processing units, and causes each of the processing units to generate recording image data. The apparatus performs recording by controlling driving and a scanning motion of the recording head and conveyance of the recording medium based on the recording image data obtained by the processing units.Type: GrantFiled: February 26, 2016Date of Patent: June 6, 2017Assignee: Canon Kabushiki KaishaInventors: Yusuke Hashii, Yugo Mochizuki, Kouta Murasawa, Shinichi Miyazaki, Mayuko Yamagata, Akitoshi Yamada, Masao Kato
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Publication number: 20170120642Abstract: Driving orders of driving blocks are controlled with regard to each of multiple types of ink so that landing positions of ink from the driving blocks differ in multiple scans, and in the mask patterns used, there is a relatively small number of superimposed pixels among pixels regarding which a large number of discharge permitted has been stipulated regarding a mask pattern corresponding to one type of ink and one scan and pixels regarding which a large number of discharge permitted has been stipulated regarding a mask pattern corresponding to another type of ink and the one scan.Type: ApplicationFiled: October 25, 2016Publication date: May 4, 2017Inventors: Mayuko Yamagata, Satoshi Seki, Hirokazu Tanaka, Gou Sasaki, Tsukasa Doi, Fumiko Suzuki, Kiichiro Takahashi
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Publication number: 20170066233Abstract: A dividing unit generates, from input data, divided data corresponding to the first area and the second area to be printed by a recording head and partly overlapping each other. The dividing unit supplies the respective divided data to the first processing unit and the second processing unit which can concurrently perform processing. Each of the first and second processing units generates the recording image data from the divided data based on a characteristic of the recording head corresponding to a recording area assigned to one of the processing units and a partial area assigned to the other processing unit. Each of the first and second processing units then performs driving control on the recording head based on data, in generated recording image data, which corresponds to an area recorded by one of the processing units.Type: ApplicationFiled: November 16, 2016Publication date: March 9, 2017Inventors: Kouta MURASAWA, Shinichi MIYAZAKI, Yusuke HASHII, Yugo MOCHIZUKI, Mayuko YAMAGATA, Akitoshi YAMADA, Masao KATO
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Publication number: 20170036465Abstract: Recording is performs that suppresses ink discharge position deviation between scans while suppressing graininess in a case of using multiple types of ink.Type: ApplicationFiled: August 2, 2016Publication date: February 9, 2017Inventors: Fumiko Suzuki, Hirokazu Tanaka, Gou Sasaki, Tsukasa Doi, Satoshi Seki, Mayuko Yamagata, Kiichiro Takahashi
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Publication number: 20170036466Abstract: The driving order of driving blocks is controlled so that ink landing positions from driving blocks differ from each other in multiple scans. Recording data is generated so that, of pixels where ink is discharged in one scan, the number of pixels adjacent at both sides in the scanning direction to pixels where ink is discharged in another scan is greater than the number of pixels not adjacent at both sides in the scanning direction to pixels where ink is discharged the other scan.Type: ApplicationFiled: August 2, 2016Publication date: February 9, 2017Inventors: Hirokazu Tanaka, Gou Sasaki, Tsukasa Doi, Satoshi Seki, Fumiko Suzuki, Mayuko Yamagata, Kiichiro Takahashi
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Publication number: 20170036467Abstract: A recording apparatus includes a recording head including a plurality of recording elements arranged in a predetermined direction, and a determination unit configured to determine a first mode in which a specified image is recorded or a second mode in which a pattern is recorded in each of recording scannings in forward and backward directions to form an adjustment pattern for adjusting a recording position in the intersecting direction of the recording head, and the recording position of the recording head in accordance with the formed adjustment pattern is adjusted, in which a driving unit controls driving of the recording elements in a manner that a correspondence relationship between positions in the predetermined direction and the intersecting direction among a plurality of dots that form the same column is varied or is the same in the recording scannings in the forward and backward directions in accordance with the determined mode.Type: ApplicationFiled: August 2, 2016Publication date: February 9, 2017Inventors: Satoshi Seki, Kiichiro Takahashi, Hirokazu Tanaka, Fumiko Suzuki, Gou Sasaki, Mayuko Yamagata, Tsukasa Doi
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Publication number: 20170041501Abstract: An image printing apparatus can print an image in which graininess is suppressed while using a color material of light blue. To achieve this, the color material of light blue satisfies the following condition. ?LB?(?LC??LB)>0 and ?LB?(?LM??LB)>0 Here, ?LC represents a difference in lightness between cyan ink and a blank area, ?LM represents a difference in lightness between magenta ink and the blank area, and ?LB represents a difference in lightness between light blue ink and the blank area. Further, the color material of light blue satisfies the following condition. hC+(h(C+M)?hC)/2?hB?hM?(hM?h(C+M))/2 Here, hC represents a hue of the cyan ink, hM represents a hue of the magenta ink, h(C+M) represents a hue of the image printed with the cyan ink and the magenta ink in the same amount, and hB represents a hue of the light blue ink.Type: ApplicationFiled: July 22, 2016Publication date: February 9, 2017Inventors: Fumiko Suzuki, Mayuko Yamagata, Satoshi Seki, Hirokazu Tanaka, Gou Sasaki, Tsukasa Doi, Kiichiro Takahashi
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Patent number: 9533492Abstract: A dividing unit generates, from input data, divided data corresponding to the first area and the second area to be printed by a recording head and partly overlapping each other. The dividing unit supplies the respective divided data to the first processing unit and the second processing unit which can concurrently perform processing. Each of the first and second processing units generates the recording image data from the divided data based on a characteristic of the recording head corresponding to a recording area assigned to one of the processing units and a partial area assigned to the other processing unit. Each of the first and second processing units then performs driving control on the recording head based on data, in generated recording image data, which corresponds to an area recorded by one of the processing units.Type: GrantFiled: March 25, 2016Date of Patent: January 3, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Kouta Murasawa, Shinichi Miyazaki, Yusuke Hashii, Yugo Mochizuki, Mayuko Yamagata, Akitoshi Yamada, Masao Kato
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Publication number: 20160297191Abstract: A dividing unit generates, from input data, divided data corresponding to the first area and the second area to be printed by a recording head and partly overlapping each other. The dividing unit supplies the respective divided data to the first processing unit and the second processing unit which can concurrently perform processing. Each of the first and second processing units generates the recording image data from the divided data based on a characteristic of the recording head corresponding to a recording area assigned to one of the processing units and a partial area assigned to the other processing unit. Each of the first and second processing units then performs driving control on the recording head based on data, in generated recording image data, which corresponds to an area recorded by one of the processing units.Type: ApplicationFiled: March 25, 2016Publication date: October 13, 2016Inventors: Kouta Murasawa, Shinichi Miyazaki, Yusuke Hashii, Yugo Mochizuki, Mayuko Yamagata, Akitoshi Yamada, Masao Kato
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Publication number: 20160275380Abstract: An image recording apparatus according to this invention analyzes image data to be printed, and generates sequence information for defining the moving range of each scanning motion of a recording head and the conveyance amount of a recording medium. The apparatus divides a recording area defined by the generated sequence information into areas so that the processing amounts of a plurality of processing units capable of parallelly executing processes are equal to each other, distributes data of the divided areas to the processing units, and causes each of the processing units to generate recording image data. The apparatus performs recording by controlling driving and a scanning motion of the recording head and conveyance of the recording medium based on the recording image data obtained by the processing units.Type: ApplicationFiled: February 26, 2016Publication date: September 22, 2016Inventors: Yusuke Hashii, Yugo Mochizuki, Kouta Murasawa, Shinichi Miyazaki, Mayuko Yamagata, Akitoshi Yamada, Masao Kato