Patents by Inventor Ryota KITAYAMA
Ryota KITAYAMA 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: 11669211Abstract: One aspect of the present invention provides an electroconductive film 10 comprising a light-transmitting base material 11, a plurality of light-transmitting electroconductive parts 12 provided on one surface 11A of the light-transmitting base material 11, and a nonconductive part 13 located between the electroconductive parts 12, wherein each of the electroconductive parts 12 contains a light-transmitting resin 15 and an electroconductive fiber 16 incorporated in the light-transmitting resin 15; the nonconductive part 13 contains a light-transmitting resin 15; and the surface 13A of the nonconductive part 13 has an arithmetic average roughness of 3 nm or more.Type: GrantFiled: March 20, 2018Date of Patent: June 6, 2023Assignee: Dai Nippon Printing Co., Ltd.Inventors: Shoichiro Ogumi, Eiji Ooishi, Yoshimasa Ogawa, Yuji Shimizu, Ryota Kitayama
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Patent number: 11648759Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200 ?/? or less, and the electroconductive film 10 has a haze value of 5% or less.Type: GrantFiled: March 2, 2022Date of Patent: May 16, 2023Assignee: Dai Nippon Printing Co., Ltd.Inventors: Shoichiro Ogumi, Yoshimasa Ogawa, Eiji Ooishi, Yukimitsu Iwata, Yuji Shimizu, Ryota Kitayama, Hiroaki Mutou
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Publication number: 20220184934Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200?/? or less, and the electroconductive film 10 has a haze value of 5% or less.Type: ApplicationFiled: March 2, 2022Publication date: June 16, 2022Inventors: Shoichiro OGUMI, Yoshimasa OGAWA, Eiji OOISHI, Yukimitsu IWATA, Yuji SHIMIZU, Ryota KITAYAMA, Hiroaki MUTOU
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Patent number: 11298925Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200?/? or less, and the electroconductive film 10 has a haze value of 5% or less.Type: GrantFiled: July 7, 2020Date of Patent: April 12, 2022Assignee: Dai Nippon Printing Co., Ltd.Inventors: Shoichiro Ogumi, Yoshimasa Ogawa, Eiji Ooishi, Yukimitsu Iwata, Yuji Shimizu, Ryota Kitayama, Hiroaki Mutou
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CONDUCTIVE FILM, SENSOR, TOUCH PANEL, IMAGE DISPLAY DEVICE, AND CONDUCTIVE FILM WITH PROTECTION FILM
Publication number: 20210064164Abstract: An aspect of the present invention provides an electroconductive film 10 including a first electroconductive part 11 and a second electroconductive part 14, wherein the surface 14A of the second electroconductive part 14 forms at least a part of the surface 10A of the electroconductive film 10, the surface 11A of the first electroconductive part 11 forms at least a part of the back face 10B of the electroconductive film 10, the first electroconductive part 11 and the second electroconductive part 14 each contain electroconductive fibers 15 and 17, and the surface resistance value of the second electroconductive part 14 is within ±30% of the surface resistance value of the first electroconductive part 11.Type: ApplicationFiled: December 25, 2018Publication date: March 4, 2021Inventors: Masataka INOU, Shoichiro OGUMI, Yuji SHIMIZU, Hiroaki MUTOU, Ryota KITAYAMA -
Publication number: 20200393923Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200?/? or less, and the electroconductive film 10 has a haze value of 5% or less.Type: ApplicationFiled: July 7, 2020Publication date: December 17, 2020Inventors: Shoichiro OGUMI, Yoshimasa OGAWA, Eiji OOISHI, Yukimitsu IWATA, Yuji SHIMIZU, Ryota KITAYAMA, Hiroaki MUTOU
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Patent number: 10831327Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200 ?/? or less, and the electroconductive film 10 has a haze value of 5% or less.Type: GrantFiled: September 29, 2017Date of Patent: November 10, 2020Assignee: Dai Nippon Printing Co., Ltd.Inventors: Shoichiro Ogumi, Yoshimasa Ogawa, Eiji Ooishi, Yukimitsu Iwata, Yuji Shimizu, Ryota Kitayama, Hiroaki Mutou
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Publication number: 20200057517Abstract: One aspect of the present invention provides an electroconductive film 10 comprising a light-transmitting base material 11, a plurality of light-transmitting electroconductive parts 12 provided on one surface 11A of the light-transmitting base material 11, and a nonconductive part 13 located between the electroconductive parts 12, wherein each of the electroconductive parts 12 contains a light-transmitting resin 15 and an electroconductive fiber 16 incorporated in the light-transmitting resin 15; the nonconductive part 13 contains a light-transmitting resin 15; and the surface 13A of the nonconductive part 13 has an arithmetic average roughness of 3 nm or more.Type: ApplicationFiled: March 20, 2018Publication date: February 20, 2020Inventors: Shoichiro OGUMI, Eiji OOISHI, Yoshimasa OGAWA, Yuji SHIMIZU, Ryota KITAYAMA
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Publication number: 20190302925Abstract: One aspect of the present invention provides a light-transmitting electroconductive film 10 comprising a light-transmitting base material 11 and an electroconductive part 13 provided on one surface of the light-transmitting base material 11, wherein the electroconductive part 13 includes a light-transmitting resin 15 and plural electroconductive fibers 16 incorporated in the light-transmitting resin 15, and the electroconductive part 13 can conduct electricity from the surface 13A of the electroconductive part 13, and the electroconductive fibers 16 as a whole are unevenly distributed on the light-transmitting base material side than the position HL, which is located at half the film thickness of the electroconductive part 13 in the electroconductive part 13, and the electroconductive part 13 has a surface resistance value of 200 ?/? or less, and the electroconductive film 10 has a haze value of 5% or less.Type: ApplicationFiled: September 29, 2017Publication date: October 3, 2019Inventors: Shoichiro OGUMI, Yoshimasa OGAWA, Eiji OOISHI, Yukimitsu IWATA, Yuji SHIMIZU, Ryota KITAYAMA, Hiroaki MUTOU