Patents by Inventor Atsuo Nishino
Atsuo Nishino 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: 9259954Abstract: A lithographic printing plate support of the invention includes an aluminum plate and an anodized aluminum film which has micropores extending from a surface of the anodized film opposite from the aluminum plate in a depth direction of the anodized film; the micropores each have a large-diameter portion extending from the anodized film surface to an average depth (depth A) of 75 to 120 nm and a small-diameter portion which communicates with the bottom of the large-diameter portion; the average diameter of the large-diameter portion at the anodized film surface is at least 10 nm but less than 30 nm; a ratio of the depth A to the average diameter (depth A/average diameter) of the large-diameter portion is more than 4.0 but up to 12.0; and an average diameter of the small-diameter portion at the communication level is more than 0 but less than 10 nm.Type: GrantFiled: January 23, 2015Date of Patent: February 16, 2016Assignee: FUJIFILM CorporationInventors: Yoshiharu Tagawa, Shinya Kurokawa, Atsushi Matsuura, Yuya Miyagawa, Hirokazu Sawada, Atsuo Nishino
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Publication number: 20150135979Abstract: A lithographic printing plate support of the invention includes an aluminum plate and an anodized aluminum film which has micropores extending from a surface of the anodized film opposite from the aluminum plate in a depth direction of the anodized film; the micropores each have a large-diameter portion extending from the anodized film surface to an average depth (depth A) of 75 to 120 nm and a small-diameter portion which communicates with the bottom of the large-diameter portion; the average diameter of the large-diameter portion at the anodized film surface is at least 10 nm but less than 30 nm; a ratio of the depth A to the average diameter (depth A/average diameter) of the large-diameter portion is more than 4.0 but up to 12.0; and an average diameter of the small-diameter portion at the communication level is more than 0 but less than 10 nm.Type: ApplicationFiled: January 23, 2015Publication date: May 21, 2015Applicant: FUJIFILM CORPORATIONInventors: Yoshiharu TAGAWA, Shinya KUROKAWA, Atsushi MATSUURA, Yuya MIYAGAWA, Hirokazu SAWADA, Atsuo NISHINO
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Patent number: 8978555Abstract: A lithographic printing plate support includes an aluminum plate and an anodized film formed at a surface of the aluminum plate and having micropores which extend in a depth direction of the anodized aluminum film from a surface of the anodized film opposite from the aluminum plate. Each of the micropores includes a large-diameter portion and a dendritic small-diameter portion. The lithographic printing plate support has excellent scratch resistance and is capable of obtaining a presensitized plate which exhibits excellent on-press developability and enables a lithographic printing plate formed therefrom to have a long press life and excellent deinking ability after suspended printing.Type: GrantFiled: January 30, 2012Date of Patent: March 17, 2015Assignee: FUJIFILM CorporationInventors: Shinya Kurokawa, Yuya Miyagawa, Yoshiharu Tagawa, Atsuo Nishino, Hirokazu Sawada
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Patent number: 8789464Abstract: The lithographic printing plate support includes an aluminum plate and an anodized film formed on the aluminum plate and micropores extend in the anodized film in a depth direction from its surface opposite from the aluminum plate. Each of the micropores includes a large-diameter portion having a predetermined shape and a small-diameter portion having a predetermined shape. The lithographic printing plate support has excellent scratch resistance and is capable of obtaining a presensitized plate which exhibits excellent on-press developability and enables a lithographic printing plate formed therefrom to have a long press life, and excellent deinking ability in continued printing and after suspended printing.Type: GrantFiled: April 29, 2011Date of Patent: July 29, 2014Assignee: FUJIFILM CorporationInventors: Yoshiharu Tagawa, Hirokazu Sawada, Atsuo Nishino, Shinya Kurokawa, Yuya Miyagawa
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Publication number: 20120192742Abstract: A lithographic printing plate support includes an aluminum plate and an anodized film formed at a surface of the aluminum plate and having micropores which extend in a depth direction of the anodized aluminum film from a surface of the anodized film opposite from the aluminum plate. Each of the micropores includes a large-diameter portion and a dendritic small-diameter portion. The lithographic printing plate support has excellent scratch resistance and is capable of obtaining a presensitized plate which exhibits excellent on-press developability and enables a lithographic printing plate formed therefrom to have a long press life and excellent deinking ability after suspended printing.Type: ApplicationFiled: January 30, 2012Publication date: August 2, 2012Applicant: FUJIFILM CORPORATIONInventors: Shinya KUROKAWA, Yuya MIYAGAWA, Yoshiharu TAGAWA, Atsuo NISHINO, Hirokazu SAWADA
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Publication number: 20110265673Abstract: The lithographic printing plate support includes an aluminum plate and an anodized film formed on the aluminum plate and micropores extend in the anodized film in a depth direction from its surface opposite from the aluminum plate. Each of the micropores includes a large-diameter portion having a predetermined shape and a small-diameter portion having a predetermined shape. The lithographic printing plate support has excellent scratch resistance and is capable of obtaining a presensitized plate which exhibits excellent on-press developability and enables a lithographic printing plate formed therefrom to have a long press life, and excellent deinking ability in continued printing and after suspended printing.Type: ApplicationFiled: April 29, 2011Publication date: November 3, 2011Applicant: FUJIFILM CorporationInventors: Yoshiharu TAGAWA, Hirokazu Sawada, Atsuo Nishino, Shinya Kurokawa, Yuya Miyagawa
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Patent number: 7850837Abstract: The present invention provides a method for preparing an aluminum support for lithographic printing plate, the aluminum support for a lithographic printing plate obtained by the method and a presensitized plate using the same, characterized in that anodizing treatment is performed on an aluminum plate after hydrochloric acid electrolytic graining treatment if necessary, nitric acid electrolytic graining treatment are performed on the aluminum plate at a specified ratio of quantities of electricity, and with this method, a lower-purity aluminum plate could be used and a obtained support for a lithographic printing plate is excellent in press life and scum resistance when a lithographic printing plate is prepared.Type: GrantFiled: May 11, 2006Date of Patent: December 14, 2010Assignee: FUJIFILM CorporationInventors: Atsushi Matsuura, Akio Uesugi, Hideki Miwa, Atsuo Nishino, Hirokazu Sawada
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Publication number: 20100229938Abstract: An aluminum alloy substrate having excellent insulating performance and withstand voltage characteristics and high strength at elevated temperatures, and a method of efficiently producing a flexible thin-film solar cell by a roll-to-roll process using the aluminum alloy substrate are provided. The substrate has an oxide film of more than 1 ?m to 30 ?m thickness having insulating properties on a surface of an aluminum alloy containing 2.0 to 7.0 wt % of magnesium, the balance being aluminum and inevitable impurities.Type: ApplicationFiled: March 11, 2010Publication date: September 16, 2010Applicant: FUJIFILM CORPORATIONInventors: Atsuo NISHINO, Akio UESUGI, Hirokazu SAWADA
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Patent number: 7571542Abstract: A method of forming a roll for embossing aluminum sheet, and the associated roll, the method comprising subjecting a surface of a steel roll to at least the steps of, in order: blasting treatment, electrolytic treatment with 1,000 to 20,000 C/dm2 of electricity in which the steel roll is used as the anode, and chromium plating treatment. An aluminum sheet embossing roll produced by the method of the present invention has on the surface thereof peaks, or asperities, which are of uniform height and very numerous. As a result, aluminum sheets obtained using such a roll, when employed as lithographic printing plate supports, have excellent printing characteristics, particularly a long press life and a high sensitivity.Type: GrantFiled: January 21, 2005Date of Patent: August 11, 2009Assignee: FUJIFILM CorporationInventors: Atsuo Nishino, Hirokazu Sawada, Akio Uesugi
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Patent number: 7296517Abstract: A roll for metal rolling has a roughened surface formed by an electrolytic treatment in an electrolytic solution while using the roll as an anode. When the roll is used to emboss an aluminum plate, it is possible to obtain an aluminum plate with an uneven structure having regulated positions of levels of peaks and a larger number of the peaks. A presensitized plate formed by use of the aluminum plate as a support has excellent printing performances particularly in the number of printed sheets and sensitivity.Type: GrantFiled: November 8, 2004Date of Patent: November 20, 2007Assignee: Fujifilm CorporationInventors: Atsuo Nishino, Hirokazu Sawada, Akio Uesugi
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Publication number: 20060231413Abstract: Disclosed is a method of manufacturing a lithographic printing plate support wherein an aluminum plate is subjected at least to, in order, a mechanical graining treatment in which the aluminum plate is grained to a mean surface roughness Ra of 0.25 to 0.40 ?m using a brush and a slurry containing an abrasive, an electrochemical graining treatment in which the aluminum plate is grained using an alternating current in an aqueous solution containing nitric acid, and an alkali etching treatment in which the aluminum plate is etched in an aqueous alkali solution, thereby obtaining the lithographic printing plate support having a mean surface roughness Ra after the alkali etching treatment of 0.41 to 0.6 ?m. By this method, there can be obtained a lithographic printing plate support for use in presensitized plates which, when processed into lithographic printing plates, have a long press life, an excellent scumming resistance, and an excellent cleaner resistance.Type: ApplicationFiled: April 13, 2006Publication date: October 19, 2006Inventors: Atsuo Nishino, Yoshinori Hotta, Akio Uesugi
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Publication number: 20060201819Abstract: The present invention provides a method for preparing an aluminum support for lithographic printing plate, the aluminum support for a lithographic printing plate obtained by the method and a presensitized plate using the same, characterized in that anodizing treatment is performed on an aluminum plate after hydrochloric acid electrolytic graining treatment if necessary, nitric acid electrolytic graining treatment are performed on the aluminum plate at a specified ratio of quantities of electricity, and with this method, a lower-purity aluminum plate could be used and a obtained support for a lithographic printing plate is excellent in press life and scum resistance when a lithographic printing plate is prepared.Type: ApplicationFiled: May 11, 2006Publication date: September 14, 2006Inventors: Atsushi Matsuura, Akio Uesugi, Hideki Miwa, Atsuo Nishino, Hirokazu Sawada
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Publication number: 20060057500Abstract: Disclosed is a method of manufacturing a lithographic printing plate support including the step of: subjecting an aluminum plate at least to electrochemical graining treatment in which alternating current is passed through the aluminum plate in an aqueous solution containing hydrochloric acid so that the total amount of electricity when the aluminum plate serves as an anode is at least 250 C/dm2, thereby obtaining a lithographic printing plate support, wherein the aluminum plate contains not more than 30 ppm of Cu and 10 to 200 ppm of at least one element selected from the group consisting of Ga, V, Zn, In, Ni, Pb and Cr, contains at least 15 ppm of Fe in a form of a solid solution, and has a pattern of recessed and protruded portions formed on a surface thereof.Type: ApplicationFiled: September 16, 2005Publication date: March 16, 2006Inventors: Hirokazu Sawada, Atsuo Nishino, Akio Uesugi
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Publication number: 20060049037Abstract: Disclosed is a method of manufacturing a lithographic printing plate support, including a step of subjecting an aluminum plate to at least: a mechanical graining treatment using a brush and a slurry containing an abrasive to carry out mechanical graining such that the average surface roughness Ra is 0.25 ?m or more but less than 0.40 ?m, and an electrochemical graining treatment for carrying out electrochemical graining in an aqueous solution containing hydrochloric acid such that the average surface roughness Ra is 0.40 to 0.55 ?m, with the treatments being performed in this order, so as to obtain a lithographic printing plate support. By this method, a lithographic printing plate support which can be used for a presensitized plate of high sensitivity which has both an excellent scumming resistance and a good press life when made into a lithographic printing plate is obtained.Type: ApplicationFiled: September 9, 2005Publication date: March 9, 2006Inventors: Atsuo Nishino, Yoshinori Hotta, Hirokazu Sawada, Akio Uesugi
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Publication number: 20060032759Abstract: A method of manufacturing a lithographic printing plate support having a step of subjecting an aluminum plate to an electrochemical graining treatment in which alternating current is passed through the aluminum plate in an aqueous solution containing at least chloride ion and nitrate ion so that total amount of electricity when the aluminum plate serves as an anode is 100 to 300 C/dm2. By this method, a lithographic printing plate support which makes it possible to obtain a presensitized plate having both an excellent scumming resistance and a good press life by a single electrochemical graining treatment.Type: ApplicationFiled: August 15, 2005Publication date: February 16, 2006Inventors: Atsuo Nishino, Hirokazu Sawada, Akio Uesugi, Yoshinori Hotta
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Publication number: 20060032760Abstract: Disclosed is a method of manufacturing a lithographic printing plate support having the step of: subjecting an aluminum plate at least to a first electrochemical graining treatment in which a first alternating current is passed through the aluminum plate in a first aqueous solution containing hydrochloric acid and nitric acid and a second electrochemical graining treatment in which a second alternating current is passed through the aluminum plate in a second aqueous solution containing hydrochloric acid in this order to obtain the lithographic printing plate support. By this method, a presensitized plate having excellent scumming resistance and a long press life is obtained.Type: ApplicationFiled: August 15, 2005Publication date: February 16, 2006Inventors: Atsuo Nishino, Hirokazu Sawada, Akio Uesugi
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Publication number: 20050159281Abstract: Disclosed is a roll for embossing aluminum sheet, which is obtainable by subjecting a surface of a steel roll to at least the steps of, in order: blasting treatment, electrolytic treatment with 1,000 to 20,000 C/dm2 of electricity in which the steel roll is used as the anode, and chromium plating treatment. The aluminum sheet embossing roll of the present invention has on the surface thereof peaks, or asperities, which are of uniform height and very numerous. As a result, aluminum sheets obtained using such a roll, when employed as lithographic printing plate supports, have excellent printing characteristics, particularly a long press life and a high sensitivity.Type: ApplicationFiled: January 21, 2005Publication date: July 21, 2005Inventors: Atsuo Nishino, Hirokazu Sawada, Akio Uesugi
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Publication number: 20050118452Abstract: A roll for metal rolling has a roughened surface formed by an electrolytic treatment in an electrolytic solution while using the roll as an anode. When the roll is used to emboss an aluminum plate, it is possible to obtain an aluminum plate with an uneven structure having regulated positions of levels of peaks and a larger number of the peaks. A presensitized plate formed by use of the aluminum plate as a support has excellent printing performances particularly in the number of printed sheets and sensitivity.Type: ApplicationFiled: November 8, 2004Publication date: June 2, 2005Inventors: Atsuo Nishino, Hirokazu Sawada, Akio Uesugi
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Patent number: 6806031Abstract: Disclosed is a presensitized plate, having an anodized layer and recording layer provided on a support for a lithographic printing plate, wherein the anodized layer is provided by subjecting an aluminum plate to graining and anodizing treatments. The presensitized plate has wide development latitude, makes it difficult for scratch-like non-image portions to be generated and facilitates handling in usual operation.Type: GrantFiled: May 15, 2001Date of Patent: October 19, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Tadashi Endo, Yoshitaka Masuda, Atsuo Nishino, Akio Uesugi, Katsuyuki Teraoka, Hisashi Hotta
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Patent number: 6780305Abstract: The invention provides a method for producing a support for planographic printing plates which comprises a step of roughening the surface of an aluminum plate and in which the surface-roughening step includes (1) a pre-electrolytic surface-roughening step of electrolytically roughening the surface of an aluminum plate in an aqueous hydrochloric acid solution, (2) an alkali-etching step of etching the roughened surface of the aluminum plate with an alkali solution, (3) a desmutting step of contacting the etched aluminum plate with an aqueous sulfuric solution having predetermined sulfuric acid and aluminum ion concentrations at a predetermined temperature for 1 to 180 seconds, and (4) an electrolytic surface-roughening step of processing the desmutted aluminum plate in an aqueous nitric acid solution with an alternating current being applied thereto. The invention enables stable and inexpensive production of planographic printing plate supports even from regenerated aluminum.Type: GrantFiled: February 12, 2002Date of Patent: August 24, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Atsuo Nishino, Yoshitaka Masuda, Hirokazu Sawada, Akio Uesugi