Patents by Inventor Yutaka Kamada
Yutaka Kamada 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: 11969974Abstract: The present invention addresses the problem of providing a surface protection film for a flexible display with which films are not adhered to each other. As a solution, provided is the surface protection film for a flexible display that has a protection layer made of polyurethane as an outermost surface thereof, the polyurethane having a tan ? peak temperature of 20° C. or more.Type: GrantFiled: November 29, 2019Date of Patent: April 30, 2024Assignee: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Yutaka Kamada, Masahiro Yamaguchi
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Publication number: 20230383122Abstract: Cover film has a base material layer and a surface layer chemically bonded to the base material layer, where the surface layer includes a polyurethane resin X1 containing urethane and urea units and a polyorganosiloxane group in the molecule, the polyurethane resin X1 is a reaction product of a non-yellowing-type isocyanate component B1 with an active hydrogen component A1 including a compound a1-1, the base material layer includes a polyurethane resin X2 having a urethane bond in the molecule, and the polyurethane resin X2 is a reaction product of a non-yellowing-type isocyanate component B2 with an active hydrogen component A2 which does not include the compound a1-1, and has a certain crosslinking point concentration and also has a certain elastic recovery rate.Type: ApplicationFiled: May 31, 2023Publication date: November 30, 2023Applicants: LG DISPLAY CO., LTD., Sanyo Chemical Industries, Ltd., Bando Chemical Industries, Ltd.Inventors: Harumi OKUNO, Takayuki OTA, Masafumi SAWADA, Atsushi WAKATSUKI, Yutaka KAMADA
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Publication number: 20220040962Abstract: The present invention addresses the problem of providing a surface protection film for a flexible display with which films are not adhered to each other. As a solution, provided is the surface protection film for a flexible display that has a protection layer made of polyurethane as an outermost surface thereof, the polyurethane having a tan ? peak temperature of 20° C. or more.Type: ApplicationFiled: November 29, 2019Publication date: February 10, 2022Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Yutaka KAMADA, Masahiro YAMAGUCHI
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Publication number: 20220017744Abstract: The present invention addresses the problem of providing a surface protection film for a flexible display in which creases are unlikely to remain. As a solution, provided is the surface protection film for a flexible display that has a protection layer made of polyurethane as an outermost surface thereof, the polyurethane having a stress relaxation rate of 30% or less after 300 seconds at an elongation of 50%.Type: ApplicationFiled: November 29, 2019Publication date: January 20, 2022Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Yutaka KAMADA, Masahiro YAMAGUCHI
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Patent number: 11204448Abstract: There is provided a surface protective film having an excellent writing sensation when a touch pen is used. A surface protective film has a protective layer made of a polyurethane on the outermost surface, and the protective layer has an arithmetic average roughness (Ra) of 0.3 ?m or more and 0.6 ?m or less, and a maximum height (Rz) of 1.5 ?m or more and 3.5 ?m or less.Type: GrantFiled: December 20, 2019Date of Patent: December 21, 2021Assignee: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Yutaka Kamada, Masahiro Yamaguchi
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Publication number: 20210323292Abstract: The present invention addresses the problem of providing a surface-protective film which is excellent in terms of antiglare property, scratch resistance, and oil resistance. Provided as a means for solving the problem is a surface-protective film which comprises a protective layer constituted of a polyurethane, both surfaces of the protective layer being flat, and a hardcoat layer formed on one of the surfaces of the protective layer, wherein the hardcoat layer has an arithmetic average roughness Ra of equal to or greater than 0.1 and equal to or less than 0.8 ?m.Type: ApplicationFiled: August 6, 2019Publication date: October 21, 2021Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Yutaka KAMADA, Hiroki UOZUMI
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Patent number: 11141963Abstract: The present invention addresses the problem of providing a surface protective film which is resistant to discoloration, expansion and the like caused by the penetration of a plasticizer. A surface protective film having, on the outermost surface thereof, a protective layer made of polycarbonate type polyurethane is provided as the solution of the problem.Type: GrantFiled: August 22, 2017Date of Patent: October 12, 2021Assignees: BANDO CHEMICAL INDUSTRIES, LTD., WACOM CO., LTD.Inventors: Yutaka Kamada, Arata Tani, Toshihiko Horie, Soh Kato
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Patent number: 11084264Abstract: The present invention addresses the problem of providing a surface protective film laminate, surface protective film and its producing method. The surface protective film which has excellent smoothness, light transmission properties, transparency, scratch resistance, weather resistance and self-healing properties. The present invention provides, as a solution, a surface protective film wherein three layers, namely, a protective layer, a transparent base film and a pressure-sensitive adhesive layer are laminated in this order, said protective layer being formed of a thermosetting polyurethane which is a cured product of a polyether polyol, an aliphatic isocyanate, an alcohol-based curing agent and a non-amine catalyst.Type: GrantFiled: November 14, 2016Date of Patent: August 10, 2021Assignees: BANDO CHEMICAL INDUSTRIES, LTD., WACOM CO., LTD.Inventors: Yutaka Kamada, Arata Tani, Toshihiko Horie, Soh Kato
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Publication number: 20210138770Abstract: The present invention addresses the problem of providing a surface protective film that makes it possible to cut blue light and has exceptional durability. As a solution, the present invention provides a surface protective film in which at least four layers comprising a protective layer made of polyurethane, a transparent substrate film, a blue light cutting layer, and an adhesive layer are laminated in the stated order.Type: ApplicationFiled: May 30, 2018Publication date: May 13, 2021Applicants: BANDO CHEMICAL INDUSTRIES, LTD., WACOM CO., LTD.Inventors: Yutaka KAMADA, Kazumi SAKANO, Toshihiko HORIE, Soh KATO
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Publication number: 20210001612Abstract: The present invention addresses the problem of providing a surface protection film having superior oil resistance. Provided is a surface protection film having a coating layer obtained by curing an isocyanate compound, on one surface of a protection layer formed of a polyurethane.Type: ApplicationFiled: March 14, 2019Publication date: January 7, 2021Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Yutaka KAMADA, Kazumi SAKANO
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Publication number: 20200339840Abstract: The present invention addresses the problem of providing a surface protection film which provides an excellent writing sensation when a touch pen is used thereon and excellent scratch resistance against a touch pen. As a solution, provided is a surface protection film which has on the outermost surface thereof a protection layer formed of a polyurethane, wherein the polyurethane has an international rubber hardness degree (IRHD) of 87.0-98.0 and a tan ? peak value of 0.6 or more.Type: ApplicationFiled: May 29, 2018Publication date: October 29, 2020Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Yutaka KAMADA, Arata TANI, Toshihiko HORIE, Soh KATO
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Publication number: 20200254742Abstract: The present invention addresses the problem of providing a surface protection film which is resistant to discoloration, expansion, etc. due to the penetration of oils or plasticizers. To solve the problem, a surface protection film having a protective layer made of polyester-based polyurethane on the outermost surface thereof is provided.Type: ApplicationFiled: May 24, 2018Publication date: August 13, 2020Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Yutaka KAMADA, Kazumi SAKANO
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Publication number: 20200199312Abstract: There is provided a surface protective film having an excellent writing sensation when a touch pen is used. A surface protective film has a protective layer made of a polyurethane on the outermost surface, and the protective layer has an arithmetic average roughness (Ra) of 0.3 ?m or more and 0.6 ?m or less, and a maximum height (Rz) of 1.5 ?m or more and 3.5 ?m or less.Type: ApplicationFiled: December 20, 2019Publication date: June 25, 2020Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Yutaka KAMADA, Masahiro YAMAGUCHI
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Publication number: 20190184676Abstract: The present invention addresses the problem of providing a surface protective film which is resistant to discoloration, expansion and the like caused by the penetration of a plasticizer. A surface protective film having, on the outermost surface thereof, a protective layer made of polycarbonate type polyurethane is provided as the solution of the problem.Type: ApplicationFiled: August 22, 2017Publication date: June 20, 2019Applicants: BANDO CHEMICAL INDUSTRIES, LTD., WACOM CO., LTD.Inventors: Yutaka KAMADA, Arata TANI, Toshihiko HORIE, Soh KATO
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Publication number: 20180345639Abstract: The present invention addresses the problem of providing a surface protective film laminate, surface protective film and its producing method. The surface protective film which has excellent smoothness, light transmission properties, transparency, scratch resistance, weather resistance and self-healing properties. The present invention provides, as a solution, a surface protective film wherein three layers, namely, a protective layer, a transparent base film and a pressure-sensitive adhesive layer are laminated in this order, said protective layer being formed of a thermosetting polyurethane which is a cured product of a polyether polyol, an aliphatic isocyanate, an alcohol-based curing agent and a non-amine catalyst.Type: ApplicationFiled: November 14, 2016Publication date: December 6, 2018Applicants: BANDO CHEMICAL INDUSTRIES, LTD., WACOM CO., LTD.Inventors: Yutaka KAMADA, Arata TANI, Toshihiko HORIE, Soh KATO
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Patent number: 7353193Abstract: A fuel delivery system of a machine capable of efficiently feeding fuel, where a time of feeding fuel to a construction machine is estimated based on operation information of the construction machine. Based on position information of the construction machine acquired by position information acquiring means and estimated time of feeding fuel, a delivery schedule, which has a short moving distance and capable of delivering and feeding fuel efficiently in a short period of time, is formed. The delivery schedule is notified to a controller of the construction machine. The delivery schedule is reconstructed by a set input of a change in the delivery schedule from the controller. A specified form for requesting expense of feeding fuel is automatically formed from a fuel feeding amount after fuel has been delivered and fed by the formed delivery schedule and confirming to feed fuel.Type: GrantFiled: September 26, 2002Date of Patent: April 1, 2008Assignee: Komatsu, Ltd.Inventors: Hidetada Fukushima, Yutaka Kamada, Takao Nagai
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Publication number: 20030096172Abstract: A hologram recording material composition is disclosed, comprising (A) an allyl-based prepolymer having at least one allyl group in a molecule thereof, (B) a (meth)acrylate-based compound having at least one polymerizable unsaturated group in a molecule thereof, and (C) a photo-polymerization initiator, wherein a difference between a refractive index of said allyl-based prepolymer (A) and a refractive index of a polymer of said (meth)acrylate compound (B) is 0.005 or more.Type: ApplicationFiled: October 12, 2001Publication date: May 22, 2003Inventors: Taichi Ichihashi, Hideo Tanigawa, Yutaka Kamada, Shoukichi Nakamura, Takashi Matsuo, Akira Hashimoto, Takahiro Sakashita, Kazunori Yokoyama
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Publication number: 20030065570Abstract: To provide a fuel delivery system of a machine capable of efficiently feeding fuel, time of feeding fuel to a construction machine is estimated based on operation information of the construction machine acquired by operation information acquiring means and remaining amount information of fuel acquired by fuel remaining amount information acquiring means of a server. Based on position information of the construction machine acquired by position information acquiring means of the server and estimated time of feeding fuel, a delivery schedule having a short moving distance and capable of delivering and feeding fuel efficiently in a short period of time, is formed. The delivery schedule is notified to a controller of the construction machine. The delivery schedule is reconstructed by a set input of a change in the delivery schedule from the controller.Type: ApplicationFiled: September 26, 2002Publication date: April 3, 2003Inventors: Hidetada Fukushima, Yutaka Kamada, Takao Nagai
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Patent number: 5889074Abstract: A method for improving mechanical strength of a glass article includes coating an active energy ray-curable composition of a silane coupling agent, a curable compound and water on the glass article, and then curing with irradiated active energy ray.Type: GrantFiled: October 16, 1997Date of Patent: March 30, 1999Assignees: Dainippon Ink and Chemicals, Inc., Yamamura Glass, Co., LtdInventors: Yutaka Hashimoto, Masanobu Yumoto, Hiromu Chano, Yutaka Kamada, Shigeo Kawaguchi
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Patent number: 5717004Abstract: The composition of the present invention is curable by active energy ray. It is a mixture including a coupling agent, an active energy ray-curable compound and water. A glass article will show improved mechanical strength if it is coated with the composition of the present invention and irradiated with active energy ray to cure the coating.Type: GrantFiled: November 18, 1996Date of Patent: February 10, 1998Assignees: Dainippon Ink & Chemicals, Inc., Yamamura Glass Co., Ltd.Inventors: Yutaka Hashimoto, Masanobu Yumoto, Hiromu Chano, Yutaka Kamada, Shigeo Kawaguchi