Patents by Inventor Serena Yoshikawa
Serena Yoshikawa 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).
-
Patent number: 11813853Abstract: To provide a technology capable of appropriately suppressing deterioration in cutting accuracy of a slitter although the rigidity of a print medium changes, a printing apparatus is equipped with: a first conveyance unit configured to convey a print medium; a printing unit configured to print an image by applying ink to the print medium conveyed by the first conveyance unit; a cutting unit disposed on a downstream side in a conveyance direction in which the print medium is conveyed by the first conveyance unit and configured to cut the print medium, which is conveyed by the first conveyance unit, along the conveyance direction; and a second conveyance unit disposed on the cutting unit, and the printing apparatus includes a correction unit configured to correct a parameter related to conveyance of at least one of the first conveyance unit and the second conveyance unit, based on information about the print medium.Type: GrantFiled: August 23, 2021Date of Patent: November 14, 2023Assignee: Canon Kabushiki KaishaInventors: Hiroshi Kawafuji, Hiroshi Taira, Kazuhiko Sato, Taku Yokozawa, Noboru Kunimine, Akiko Aichi, Satoshi Azuma, Sae Mogi, Kei Yoshizawa, Shingo Nishioka, Junichi Saito, Hajime Nagai, Naoko Baba, Yuji Konno, Serena Yoshikawa, Satoshi Wada
-
Patent number: 11766882Abstract: A printing apparatus includes an image processing unit and generates a product by performing printing on a print medium conveyed in a conveyance direction intersecting a width direction, based on data for printing, and then cutting a width-direction end portion of a printed image, wherein the image processing unit calculates a first ink application amount of a first area formed at one end portion in the width direction on a leading edge side of the image which is located on a downstream side in the conveyance direction during printing and a second ink application amount of a second area formed at the other end in the width direction on the leading edge and enlarges the image data at a predetermined ratio to obtain the data for printing in a case where at least one of the first ink application amount and the second ink application amount exceeds a threshold value.Type: GrantFiled: September 20, 2021Date of Patent: September 26, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Yuji Konno, Satoshi Wada, Naoko Baba, Hajime Nagai, Shingo Nishioka, Kei Yoshizawa, Junichi Saito, Serena Yoshikawa
-
Publication number: 20230150270Abstract: A printing apparatus performs control so that out of N scans for printing an image in a predetermined region on a print medium, a total application amount of a reactive liquid printed by first N/2 scans and a total application amount of the reactive liquid printed by second N/2 scans may be different between a case where an application amount of the reactive liquid per unit area which corresponds to the predetermined region is a first amount and a case where the application amount of the reactive liquid per unit area is a second amount larger than the first amount.Type: ApplicationFiled: November 7, 2022Publication date: May 18, 2023Inventors: Naoko Baba, Satoshi Wada, Yoshitomo Marumoto, Yuji Konno, Takeshi Yazawa, Shin Genta, Shingo Nishioka, Jumpei Jogo, Takayuki Ushiyama, Keiji Kuriyama, Serena Yoshikawa, Taichi Yokokawa, Yumi Shimokodachi
-
Publication number: 20230150271Abstract: A printing control apparatus includes a control unit configured to perform control so that a distribution ratio based on which color separation data separated as having a predetermined color is distributed into data for a first nozzle array and a distribution ratio based on which color separation data is distributed into data for a second nozzle array are different depending on a tone value in the color separation data, and a generation unit configured to generate printing data to be used for printing by the first nozzle array based on the distributed data for the first nozzle array and generate printing data to be used for printing by the second nozzle array based on the distributed data for the second nozzle array.Type: ApplicationFiled: November 7, 2022Publication date: May 18, 2023Inventors: Shin Genta, Yuji Konno, Yoshitomo Marumoto, Naoko Baba, Jumpei Jogo, Takayuki Ushiyama, Yumi Shimokodachi, Taichi Yokokawa, Serena Yoshikawa
-
Publication number: 20230137887Abstract: An information processing apparatus, an information processing method, and a storage medium that execute density characteristics acquisition processing at an appropriate timing are provided.Type: ApplicationFiled: December 31, 2022Publication date: May 4, 2023Inventors: Naoko Baba, Yuji Konno, Yoshitomo Marumoto, Shin Genta, Takayuki Ushiyama, Yumi Shimokodachi, Serena Yoshikawa, Taichi Yokokawa
-
Publication number: 20230086371Abstract: A recording apparatus that causes less degradation of image quality due to blurring caused by dot misalignment between an ink containing a coloring material and a reaction liquid includes a recording unit configured to record an image on a recording medium by applying an ink containing a coloring material and a reaction liquid containing a component that aggregates the coloring material, an acquisition unit configured to acquire multi-valued ink data to apply the ink, and a generating unit configured to generate first multi-valued reaction liquid data based on the multi-valued ink data and, when a tone value of a pixel of interest in the first multi-valued reaction liquid data is lower than a tone value of any one of a plurality of surrounding pixels around the pixel of interest, generate second multi-valued reaction liquid data by increasing the tone value of the pixel of interest.Type: ApplicationFiled: September 16, 2022Publication date: March 23, 2023Inventors: Jumpei Jogo, Naoko Baba, Yuji Konno, Yoshitomo Marumoto, Shin Genta, Takayuki Ushiyama, Yumi Shimokodachi, Serena Yoshikawa, Taichi Yokokawa
-
Patent number: 11553111Abstract: An information processing apparatus, an information processing method, and a storage medium that execute density characteristics acquisition processing at an appropriate timing are provided.Type: GrantFiled: April 9, 2021Date of Patent: January 10, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Naoko Baba, Yuji Konno, Yoshitomo Marumoto, Shin Genta, Takayuki Ushiyama, Yumi Shimokodachi, Serena Yoshikawa, Taichi Yokokawa
-
Patent number: 11504984Abstract: A printing apparatus provides a conveyance operation in which a conveyance unit conveys a print medium in a conveyance direction, and includes a control unit to control a printing unit such that, in a case where an image is to be printed onto a print medium of a first type in a first state in which the print medium of the first type is supported by a first conveyance member and not supported by a second conveyance member, the printing unit uses a printing element included in a first region from which a distance to the print medium of the first type in a height direction perpendicular to a surface where the printing elements are arrayed is a first distance, and does not use a printing element included in a second region from which a distance to the print medium of the first type in the height direction is a second distance greater than the first distance.Type: GrantFiled: February 4, 2021Date of Patent: November 22, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Takeshi Yazawa, Yuji Konno, Hidehiko Kanda, Hajime Nagai, Shingo Nishioka, Keiji Kuriyama, Kei Yoshizawa, Serena Yoshikawa
-
Publication number: 20220324223Abstract: An inkjet printing apparatus is configured to print the image in N (N is an integer of four or more) print scanning operations of a print head for a unit region of the print medium by using N mask patterns used in the N print scanning operations. The inkjet printing apparatus includes: an obtaining unit configured to obtain defective nozzle information specifying a defective nozzle; and a correction unit configured to divide the N mask patterns into mask groups each corresponding to two or more print scanning operations and correct the mask patterns based on the defective nozzle information in each of the divided mask groups.Type: ApplicationFiled: March 31, 2022Publication date: October 13, 2022Inventors: Hajime Nagai, Yuji Konno, Satoshi Wada, Naoko Baba, Shingo Nishioka, Kei Yoshizawa, Junichi Saito, Serena Yoshikawa
-
Publication number: 20220097422Abstract: Provided are an image printing apparatus and a method of controlling the same which are capable of appropriately correcting the conveyance amount in each of a plurality of conveyance paths. In a case of conveying a print medium along a first conveyance path, a controller controls the driving of a conveyance motor based on first information. In a case of conveying the print medium along a second conveyance path, the controller controls the driving of the conveyance motor based on second information, which is different from the first information.Type: ApplicationFiled: September 29, 2021Publication date: March 31, 2022Inventors: Serena Yoshikawa, Naoko Baba, Yuji Konno, Yoshitomo Marumoto, Shin Genta, Takayuki Ushiyama, Yumi Shimokodachi, Taichi Yokokawa
-
Publication number: 20220080754Abstract: To provide a technology capable of appropriately suppressing deterioration in cutting accuracy of a slitter although the rigidity of a print medium changes, a printing apparatus is equipped with: a first conveyance unit configured to convey a print medium; a printing unit configured to print an image by applying ink to the print medium conveyed by the first conveyance unit; a cutting unit disposed on a downstream side in a conveyance direction in which the print medium is conveyed by the first conveyance unit and configured to cut the print medium, which is conveyed by the first conveyance unit, along the conveyance direction; and a second conveyance unit disposed on the cutting unit, and the printing apparatus includes a correction unit configured to correct a parameter related to conveyance of at least one of the first conveyance unit and the second conveyance unit, based on information about the print medium.Type: ApplicationFiled: August 23, 2021Publication date: March 17, 2022Inventors: Hiroshi Kawafuji, Hiroshi Taira, Kazuhiko Sato, Taku Yokozawa, Noboru Kunimine, Akiko Aichi, Satoshi Azuma, Sae Mogi, Kei Yoshizawa, Shingo Nishioka, Junichi Saito, Hajime Nagai, Naoko Baba, Yuji Konno, Serena Yoshikawa, Satoshi Wada
-
Publication number: 20220072878Abstract: A printing apparatus includes an image processing unit and generates a product by performing printing on a print medium conveyed in a conveyance direction intersecting a width direction, based on data for printing, and then cutting a width-direction end portion of a printed image, wherein the image processing unit calculates a first ink application amount of a first area formed at one end portion in the width direction on a leading edge side of the image which is located on a downstream side in the conveyance direction during printing and a second ink application amount of a second area formed at the other end in the width direction on the leading edge and enlarges the image data at a predetermined ratio to obtain the data for printing in a case where at least one of the first ink application amount and the second ink application amount exceeds a threshold value.Type: ApplicationFiled: September 20, 2021Publication date: March 10, 2022Inventors: Yuji Konno, Satoshi Wada, Naoko Baba, Hajime Nagai, Shingo Nishioka, Kei Yoshizawa, Junichi Saito, Serena Yoshikawa
-
Publication number: 20210321018Abstract: An information processing apparatus, an information processing method, and a storage medium that execute density characteristics acquisition processing at an appropriate timing are provided.Type: ApplicationFiled: April 9, 2021Publication date: October 14, 2021Inventors: Naoko Baba, Yuji Konno, Yoshitomo Marumoto, Shin Genta, Takayuki Ushiyama, Yumi Shimokodachi, Serena Yoshikawa, Taichi Yokokawa
-
Publication number: 20210268811Abstract: An object is to reduce deterioration of image quality at a leading edge portion and a trailing edge portion of a high-stiffness print medium. To achieve that, in a case of printing an image onto a leading edge portion of the print medium in its conveyance direction, the image is printed using printing elements included in a region in a printing element region that is close to a first conveyance member on the upstream side. Also, in a case of printing an image onto a trailing edge portion of the print medium in the conveyance direction, the image is printed using printing elements included in a region in the printing element region that is close to a second conveyance member on the downstream side.Type: ApplicationFiled: February 4, 2021Publication date: September 2, 2021Inventors: Takeshi Yazawa, Yuji Konno, Hidehiko Kanda, Hajime Nagai, Shingo Nishioka, Keiji Kuriyama, Kei Yoshizawa, Serena Yoshikawa