Patents by Inventor Toshihiro TSURUSAWA
Toshihiro TSURUSAWA 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: 11778699Abstract: A heater (1a) includes a support (10) made of an organic polymer and having a sheet shape, a heating element (20), and at least one pair of power supply electrodes (30) in contact with the heating element (20). The heating element (20) is a transparent conductive film made of a polycrystalline material containing indium oxide as a main component. In the heater (1a), the heating element (20) has a specific resistance of 1.4×10?4 ?·cm to 3×10?4 ?·cm. The heating element (20) has a thickness of more than 20 nm and not more than 100 nm.Type: GrantFiled: August 3, 2018Date of Patent: October 3, 2023Assignee: NITTO DENKO CORPORATIONInventors: Toshihiro Tsurusawa, Takeshi Tanaka, Yosuke Nakanishi, Kyotaro Yamada, Hironobu Machinaga
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Patent number: 11589426Abstract: A heater member (1a) includes a support (10), a heating element (20), and at least one pair of power supply electrodes (30). The support (10) is made of an organic polymer and has a sheet shape. The heating element (20) is made of a polycrystalline material containing indium oxide as a main component and in contact with one principal surface of the support (10). The power supply electrodes (30) are in contact with one principal surface of the heating element (20). The heating element (20) has a sheet resistance in the range from 10 to 150 ?/sq. The heating element (20) has a thickness of more than 20 nm and not more than 200 nm. The internal stress of the heating element (20) as measured by an X-ray stress measurement method is 500 MPa or less.Type: GrantFiled: August 3, 2018Date of Patent: February 21, 2023Assignee: NITTO DENKO CORPORATIONInventors: Toshihiro Tsurusawa, Hironobu Machinaga, Rie Hayashiuchi, Tetsuro Hori, Shu Sasaki
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Publication number: 20220341024Abstract: A transparent conductive film (3) includes a polycrystal (31). The polycrystal (31) has grains (32). The grains (32) have an average value Df of a maximum Feret diameter of 160 to 400 nm.Type: ApplicationFiled: September 16, 2020Publication date: October 27, 2022Applicant: NITTO DENKO CORPORATIONInventors: Kyotaro Yamada, Toshihiro Tsurusawa, Hironobu Machinaga, Motoki Haishi, Eri Ueda
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Patent number: 11383478Abstract: A metallic lustrous member with electromagnetic wave transmissibility, which is capable of being easily produced even when using not only chromium (Cr) or indium (In) but also any of some other metals such as aluminum (Al), as a material for a metal layer thereof. A metallic lustrous member with electromagnetic wave transmissibility, which is capable of using silver (Ag), zinc (Zn), lead (Pb) or copper (Cu), or an alloy thereof, as a material for a metal layer thereof, in addition to aluminum (Al). The metallic lustrous member with electromagnetic wave transmissibility, comprises an indium oxide-containing layer provided along a surface of a substrate, and a metal layer laminated on the indium oxide-containing layer, wherein the metal layer includes, in at least part thereof, a plurality of portions which are in a discontinuous state.Type: GrantFiled: October 24, 2017Date of Patent: July 12, 2022Assignee: NITTO DENKO CORPORATIONInventors: Hajime Nishio, Hironobu Machinaga, Xiaolei Chen, Toshihiro Tsurusawa, Manami Kurose
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Publication number: 20220167463Abstract: A heater (1a) includes a substrate (10), a heating element (20) that is a transparent conductive film (20), an intermediate layer (30), and at least a pair of power supply electrodes (40). The intermediate layer (30) is disposed between the substrate (10) and the transparent conductive film (20), and has a first principal surface (31) positioned closer to the transparent conductive film (20) than the substrate (10). The pair of power supply electrodes (40) are in contact with the transparent conductive film (20). The intermediate layer (30) contains an organic polymer (32) forming a cured product and particles (34) of silica or a metal oxide dispersed in the cured product. The transparent conductive film (20) has a surface having an arithmetic average roughness Ra, specified in JIS B 0601:2013, of 7.0 nm or less.Type: ApplicationFiled: March 11, 2020Publication date: May 26, 2022Applicant: NITTO DENKO CORPORATIONInventors: Takeshi Tanaka, Yosuke Nakanishi, Toshihiro Tsurusawa, Kyotaro Yamada, Hironobu Machinaga, Naoko Kato
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Publication number: 20210345457Abstract: A heater (1a) includes: a substrate (10); a heat-generation layer (20) that is a conductive metal oxide layer (22); a pair of power supply electrodes (30); and a pressure-sensitive adhesive bonding laminate (40). The substrate (10) is formed of an organic polymer. The heat-generation layer (20) is disposed in contact with the substrate (10) in the thickness direction of the substrate (10). The pair of power supply electrodes (30) are electrically connected to the heat-generation layer (20). The pressure-sensitive adhesive bonding laminate (40) has a pressure-sensitive adhesive surface (41a) used for pressure-sensitive adhesive bonding with an adherend. In the pressure-sensitive adhesive bonding laminate (40), a plurality of pressure-sensitive adhesive layers (41, 42) and at least one support (45) for the plurality of pressure-sensitive adhesive layers are alternately laminated between the pressure-sensitive adhesive surface (41a) and the heat-generating layer (20).Type: ApplicationFiled: September 6, 2019Publication date: November 4, 2021Applicant: NITTO DENKO CORPORATIONInventors: Tetsuro HORI, Shu SASAKI, Naoko KATO, Toshihiro TSURUSAWA, Kyotaro YAMADA
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Publication number: 20210298129Abstract: A heater (1a) includes a substrate (10), a transparent conductive oxide layer (20), a first power supply electrode (31), and a second power supply electrode (32). The ratio of the sum of the electric resistance of the first power supply electrode (31) in a particular direction and the electric resistance of the second power supply electrode (32) in the particular direction to the electric resistance of the transparent conductive oxide layer (20) between the first power supply electrode (31) and the second power supply electrode (32) is 45% or less. The transparent conductive oxide layer (20) has a thickness from 20 to 250 nm and is formed of a material having a specific resistance from 1.4×10?4 to 3.0×10?4 ?·cm.Type: ApplicationFiled: July 23, 2019Publication date: September 23, 2021Applicant: NITTO DENKO CORPORATIONInventors: Yosuke Nakanishi, Toshihiro Tsurusawa, Takeshi Tanaka, Kyotaro Yamada, Hironobu Machinaga, Shu Sasaki, Tetsuro Hori
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Publication number: 20200214089Abstract: A heater (1a) includes a support (10) made of an organic polymer and having a sheet shape, a heating element (20), and at least one pair of power supply electrodes (30) in contact with the heating element (20). The heating element (20) is a transparent conductive film made of a polycrystalline material containing indium oxide as a main component. In the heater (1a), the heating element (20) has a specific resistance of 1.4×10?4 ?·cm to 3×10?4 ?·cm. The heating element (20) has a thickness of more than 20 nm and not more than 100 nm.Type: ApplicationFiled: August 3, 2018Publication date: July 2, 2020Applicant: NITTO DENKO CORPORATIONInventors: Toshihiro Tsurusawa, Takeshi Tanaka, Yosuke Nakanishi, Kyotaro Yamada, Hironobu Machinaga
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Publication number: 20200163164Abstract: A heater member (1a) includes a support (10), a heating element (20), and at least one pair of power supply electrodes (30). The support (10) is made of an organic polymer and has a sheet shape. The heating element (20) is made of a polycrystalline material containing indium oxide as a main component and in contact with one principal surface of the support (10). The power supply electrodes (30) are in contact with one principal surface of the heating element (20). The heating element (20) has a sheet resistance in the range from 10 to 150 ?/sq. The heating element (20) has a thickness of more than 20 nm and not more than 200 nm. The internal stress of the heating element (20) as measured by an X-ray stress measurement method is 500 MPa or less.Type: ApplicationFiled: August 3, 2018Publication date: May 21, 2020Applicant: NITTO DENKO CORPORATIONInventors: Toshihiro Tsurusawa, Hironobu Machinaga, Rie Hayashiuchi, Tetsuro Hori, Shu Sasaki
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Publication number: 20190275759Abstract: A metallic lustrous member with electromagnetic wave transmissibility, which is capable of being easily produced even when using not only chromium (Cr) or indium (In) but also any of some other metals such as aluminum (Al), as a material for a metal layer thereof. A metallic lustrous member with electromagnetic wave transmissibility, which is capable of using silver (Ag), zinc (Zn), lead (Pb) or copper (Cu), or an alloy thereof, as a material for a metal layer thereof, in addition to aluminum (Al). The metallic lustrous member with electromagnetic wave transmissibility, comprises an indium oxide-containing layer provided along a surface of a substrate, and a metal layer laminated on the indium oxide-containing layer, wherein the metal layer includes, in at least part thereof, a plurality of portions which are in a discontinuous state.Type: ApplicationFiled: October 24, 2017Publication date: September 12, 2019Inventors: Hajime NISHIO, Hironobu MACHINAGA, Xiaolei CHEN, Toshihiro TSURUSAWA, Manami KUROSE