Patents by Inventor Chihiro Miyazaki
Chihiro Miyazaki 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: 10988579Abstract: The present invention relates to a organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which the unsaturated monomer-derived polymer segment contains a repeating unit derived from N,N-dimethyl acrylamide in an amount of not less than 50% by mass and not more than 100% by mass, and a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 10% by mass and not more than 70% by mass.Type: GrantFiled: February 13, 2018Date of Patent: April 27, 2021Assignee: KAO CORPORATIONInventors: Tomoka Maekawa, Shuichiro Kobaru, Chihiro Miyazaki
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Publication number: 20180163002Abstract: The present invention relates to a organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which the unsaturated monomer-derived polymer segment contains a repeating unit derived from N,N-dimethyl acrylamide in an amount of not less than 50% by mass and not more than 100% by mass, and a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 10% by mass and not more than 70% by mass.Type: ApplicationFiled: February 13, 2018Publication date: June 14, 2018Applicant: KAO CORPORATIONInventors: Tomoka MAEKAWA, Shuichiro KOBARU, Chihiro MIYAZAKI
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Patent number: 9926409Abstract: The present invention relates to a organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which the unsaturated monomer-derived polymer segment contains a repeating unit derived from N,N-dimethyl acrylamide in an amount of not less than 50% by mass and not more than 100% by mass, and a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 10% by mass and not more than 70% by mass.Type: GrantFiled: June 4, 2013Date of Patent: March 27, 2018Assignee: KAO CORPORATIONInventors: Tomoka Maekawa, Shuichiro Kobaru, Chihiro Miyazaki
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Publication number: 20150139931Abstract: The present invention relates to a organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which the unsaturated monomer-derived polymer segment contains a repeating unit derived from N,N-dimethyl acrylamide in an amount of not less than 50% by mass and not more than 100% by mass, and a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 10% by mass and not more than 70% by mass.Type: ApplicationFiled: June 4, 2013Publication date: May 21, 2015Applicant: Kao CorporationInventors: Tomoka Maekawa, Shuichiro Kobaru, Chihiro Miyazaki
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Patent number: 8487308Abstract: One embodiment of the present invention is a thin film transistor having a substrate, a gate electrode formed on the substrate, a gate insulating film, a semiconductor layer formed on the gate insulating film, a protective film formed on the semiconductor layer and the gate insulating film and having first and second opening sections which are separately and directly formed on the semiconductor layer, a source electrode formed on the protective film and electrically connected to the semiconductor layer at the first opening section of the protective film, and a drain electrode formed on the protective film and electrically connected to the semiconductor layer at the second opening section of the protective film.Type: GrantFiled: April 2, 2010Date of Patent: July 16, 2013Assignee: Toppan Printing Co., Ltd.Inventors: Noriaki Ikeda, Kodai Murata, Manabu Ito, Chihiro Miyazaki
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Patent number: 7907224Abstract: One embodiment of the present invention is an image display device including a substantially transparent substrate, a color filter layer formed on the substantially transparent substrate and a substantially transparent semiconductor circuit formed on the color filter layer. The circuit includes a substantially transparent thin film transistor including a source electrode, a drain electrode, a gate insulating film, a gate electrode and a semiconductor active layer comprised of a metal oxide. The semiconductor active layer has a thickness of 10 nm-35 nm. The circuit also includes a wiring made of a substantially transparent conductive material, the wiring having a electric contact point with the substantially transparent thin film transistor.Type: GrantFiled: May 13, 2008Date of Patent: March 15, 2011Assignee: Toppan Printing Co., Ltd.Inventors: Manabu Ito, Chihiro Miyazaki
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Publication number: 20100258805Abstract: One embodiment of the present invention is a thin film transistor having a substrate, a gate electrode formed on the substrate, a gate insulating film, a semiconductor layer formed on the gate insulating film, a protective film formed on the semiconductor layer and the gate insulating film and having first and second opening sections which are separately and directly formed on the semiconductor layer, a source electrode formed on the protective film and electrically connected to the semiconductor layer at the first opening section of the protective film, and a drain electrode formed on the protective film and electrically connected to the semiconductor layer at the second opening section of the protective film.Type: ApplicationFiled: April 2, 2010Publication date: October 14, 2010Applicant: Toppan Printing Co., Ltd.Inventors: Noriaki Ikeda, Kodai Murata, Manabu Ito, Chihiro Miyazaki
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Patent number: 7741643Abstract: One embodiment of the present invention is a thin film transistor, including: an insulating substrate; a gate electrode, a gate insulating layer and a semiconductor layer including an oxide, these three elements being formed over the insulating substrate in this order, and the gate insulating layer including: a lower gate insulating layer, the lower gate insulating layer being in contact with the insulating substrate and being an oxide including any one of the elements In, Zn or Ga; and an upper gate insulating layer provided on the lower gate insulating layer, the upper gate insulating layer comprising at least one layer; and a source electrode and a drain electrode formed on the semiconductor layer.Type: GrantFiled: March 13, 2008Date of Patent: June 22, 2010Assignee: Toppan Printing Co., Ltd.Inventors: Chihiro Miyazaki, Manabu Ito
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Publication number: 20080284933Abstract: One embodiment of the present invention is an image display device including a substantially transparent substrate, a color filter layer formed on the substantially transparent substrate and a substantially transparent semiconductor circuit formed on the color filter layer. The circuit includes a substantially transparent thin film transistor including a source electrode, a drain electrode, a gate insulating film, a gate electrode and a semiconductor active layer comprised of a metal oxide. The semiconductor active layer has a thickness of 10 nm-35 nm. The circuit also includes a wiring made of a substantially transparent conductive material, the wiring having a electric contact point with the substantially transparent thin film transistor.Type: ApplicationFiled: May 13, 2008Publication date: November 20, 2008Applicant: Toppan Printing Co., Ltd.Inventors: Manabu Ito, Chihiro Miyazaki
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Publication number: 20080237600Abstract: One embodiment of the present invention is a thin film transistor, including: an insulating substrate; a gate electrode, a gate insulating layer and a semiconductor layer including an oxide, these three elements being formed over the insulating substrate in this order, and the gate insulating layer including: a lower gate insulating layer, the lower gate insulating layer being in contact with the insulating substrate and being an oxide including any one of the elements In, Zn or Ga; and an upper gate insulating layer provided on the lower gate insulating layer, the upper gate insulating layer comprising at least one layer; and a source electrode and a drain electrode formed on the semiconductor layer.Type: ApplicationFiled: March 13, 2008Publication date: October 2, 2008Applicant: Toppan Printing Co., Ltd.Inventors: Chihiro Miyazaki, Manabu Ito