Patents by Inventor Tatsuro Ishitobi
Tatsuro Ishitobi 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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Publication number: 20240051267Abstract: Aluminum alloy foil that, when used for battery packaging material, unlikely to develop pinholes or cracks even during molding of battery packaging material, and can exhibit excellent moldability. Aluminum alloy foil, which is for use in battery packaging material, wherein, with respect to cross section obtained by cutting aluminum alloy foil in vertical direction to rolling direction of aluminum alloy foil, which is a vertical direction to surface of aluminum alloy foil, proportion of total area of a {111} plane in total area of crystal planes of face-centered cubic structure, obtained by performing crystal analysis using EBSD method, is 10% or more; and with respect to cross section, a number average grain diameter R (?m) of crystals in face-centered cubic structure, obtained by performing crystal analysis using EBSD method, satisfies following equation: number average grain diameter R?0.056X+2.0, where X=thickness (?m) of aluminum alloy foil.Type: ApplicationFiled: October 11, 2023Publication date: February 15, 2024Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Atsuko TAKAHAGI, Tatsuro ISHITOBI, Chiaki HATSUTA, Makoto KOMUKAI, Mayo SUGANO
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Patent number: 11820104Abstract: Aluminum alloy foil that, when used for battery packaging material, unlikely to develop pinholes or cracks even during molding of battery packaging material, and can exhibit excellent moldability. Aluminum alloy foil, which is for use in battery packaging material, wherein, with respect to cross section obtained by cutting aluminum alloy foil in vertical direction to rolling direction of aluminum alloy foil, which is a vertical direction to surface of aluminum alloy foil, proportion of total area of a {111} plane in total area of crystal planes of face-centered cubic structure, obtained by performing crystal analysis using EBSD method, is 10% or more; and with respect to cross section, a number average grain diameter R (?m) of crystals in face-centered cubic structure, obtained by performing crystal analysis using EBSD method, satisfies following equation: number average grain diameter R?0.056X+2.0, where X=thickness (?m) of aluminum alloy foil.Type: GrantFiled: January 11, 2022Date of Patent: November 21, 2023Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Atsuko Takahagi, Tatsuro Ishitobi, Chiaki Hatsuta, Makoto Komukai, Mayo Sugano
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Publication number: 20220140426Abstract: Aluminum alloy foil that, when used for battery packaging material, unlikely to develop pinholes or cracks even during molding of battery packaging material, and can exhibit excellent moldability. Aluminum alloy foil, which is for use in battery packaging material, wherein, with respect to cross section obtained by cutting aluminum alloy foil in vertical direction to rolling direction of aluminum alloy foil, which is a vertical direction to surface of aluminum alloy foil, proportion of total area of a {111} plane in total area of crystal planes of face-centered cubic structure, obtained by performing crystal analysis using EBSD method, is 10% or more; and with respect to cross section, a number average grain diameter R (?m) of crystals in face-centered cubic structure, obtained by performing crystal analysis using EBSD method, satisfies following equation: number average grain diameter R?0.056X+2.0, where X=thickness (?m) of aluminum alloy foil.Type: ApplicationFiled: January 11, 2022Publication date: May 5, 2022Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Atsuko Takahagi, Tatsuro Ishitobi, Chiaki Hatsuta, Makoto Komukai, Mayo Sugano
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Patent number: 11258123Abstract: Aluminum alloy foil that, when used for battery packaging material, unlikely to develop pinholes or cracks even during molding of battery packaging material, and can exhibit excellent moldability. Aluminum alloy foil, which is for use in battery packaging material, wherein, with respect to cross section obtained by cutting aluminum alloy foil in vertical direction to rolling direction of aluminum alloy foil, which is a vertical direction to surface of aluminum alloy foil, proportion of total area of a {111} plane in total area of crystal planes of face-centered cubic structure, obtained by performing crystal analysis using EBSD method, is 10% or more; and with respect to cross section, a number average grain diameter R (rpm) of crystals in face-centered cubic structure, obtained by performing crystal analysis using EBSD method, satisfies following equation: number average grain diameter R?0.056X+2.0, where X=thickness (rpm) of aluminum alloy foil.Type: GrantFiled: December 27, 2017Date of Patent: February 22, 2022Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Atsuko Takahagi, Tatsuro Ishitobi, Chiaki Hatsuta, Makoto Komukai, Mayo Sugano
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Publication number: 20190363312Abstract: Aluminum alloy foil that, when used for battery packaging material, unlikely to develop pinholes or cracks even during molding of battery packaging material, and can exhibit excellent moldability. Aluminum alloy foil, which is for use in battery packaging material, wherein, with respect to cross section obtained by cutting aluminum alloy foil in vertical direction to rolling direction of aluminum alloy foil, which is a vertical direction to surface of aluminum alloy foil, proportion of total area of a {111} plane in total area of crystal planes of face-centered cubic structure, obtained by performing crystal analysis using EBSD method, is 10% or more; and with respect to cross section, a number average grain diameter R (rpm) of crystals in face-centered cubic structure, obtained by performing crystal analysis using EBSD method, satisfies following equation: number average grain diameter R?0.056X+2.0, where X=thickness (rpm) of aluminum alloy foil.Type: ApplicationFiled: December 27, 2017Publication date: November 28, 2019Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Atsuko TAKAHAGI, Tatsuro ISHITOBI, Chiaki HATSUTA, Makoto KOMUKAI, Mayo SUGANO
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Patent number: 8841356Abstract: Disclosed is an ink composition which has superior storage stability, is resistant to bleeding, has good fixability to paper, and enables printing of a clear image. The ink composition includes a pigment dispersion containing a surface-treated pigment and a resin emulsion, wherein the surface-treated pigment is obtained by binding a functional group, having a larger calcium index than a calcium index of 1,2,3-benzenetricarboxylic acid, to the surface of a pigment; and the resin emulsion is adapted so that an aqueous solution containing 1 mass % of a solid content of the resin emulsion has a conductance of 300 ?S/cm or less.Type: GrantFiled: September 30, 2010Date of Patent: September 23, 2014Assignee: DNP Fine Chemicals Co., Ltd.Inventors: Satoshi Shioda, Tatsuro Ishitobi, Takao Otomaru, Rumiko Matsuo, Masaki Inumaru, Yukio Sugita, Fumie Yamazaki, Naoki Shiraishi, Mitsuyoshi Tamura, Ataru Miyata
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Patent number: 8421962Abstract: There is provided a color filter which can be manufactured by a simplified process and which will not short-circuit an electrode of a TFT substrate. The color filter includes a substrate, and a red layer, a green layer and a blue layer, formed on the substrate. When forming the green layer and the blue layer, these layers are not only formed on the substrate, but also laminated on the red layer to form a spacer comprised of the green layer and the blue layer, laminated on the red layer. The color filter further includes a transparent electrode layer which covers the substrate, the red layer, the green layer, the blue layer and the spacer, and an insulating black matrix layer formed on predetermined areas of the transparent electrode layer.Type: GrantFiled: December 3, 2008Date of Patent: April 16, 2013Assignee: Dai Nippon Printing Co., Ltd.Inventors: Tatsuro Ishitobi, Hideaki Yamagata, Koji Arai, Masatoshi Oba, Masahiro Takahashi, Masayuki Uchida
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Publication number: 20120308786Abstract: Disclosed is an ink composition which has superior storage stability, is resistant to bleeding, has good fixability to paper, and enables printing of a clear image. The ink composition includes a pigment dispersion containing a surface-treated pigment and a resin emulsion, wherein the surface-treated pigment is obtained by binding a functional group, having a larger calcium index than a calcium index of 1,2,3-benzenetricarboxylic acid, to the surface of a pigment; and the resin emulsion is adapted so that an aqueous solution containing 1 mass % of a solid content of the resin emulsion has a conductance of 300 ?S/cm or less.Type: ApplicationFiled: September 30, 2010Publication date: December 6, 2012Inventors: Satoshi Shioda, Tatsuro Ishitobi, Takao Otomaru, Rumiko Matsuo, Eiichi Miyata, Ataru Miyata, Masaki Inumaru, Yukio Sugita, Fumie Yamazaki, Naoki Shiraishi, Mitsuyoshi Tamura
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Publication number: 20100265439Abstract: There is provided a color filter which can be manufactured by a simplified process and which will not short-circuit an electrode of a TFT substrate. The color filter includes a substrate, and a red layer, a green layer and a blue layer, formed on the substrate. When forming the green layer and the blue layer, these layers are not only formed on the substrate, but also laminated on the red layer to form a spacer comprised of the green layer and the blue layer, laminated on the red layer. The color filter further includes a transparent electrode layer which covers the substrate, the red layer, the green layer, the blue layer and the spacer, and an insulating black matrix layer formed on predetermined areas of the transparent electrode layer.Type: ApplicationFiled: December 3, 2008Publication date: October 21, 2010Applicant: Dai Nippon Printing Co., LtdInventors: Tatsuro Ishitobi, Hideaki Yamagata, Koji Arai, Masatoshi Oba, Masahiro Takahashi, Masayuki Uchida
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Publication number: 20060261328Abstract: The present invention provides blue-light emitting compounds capable of emitting blue light at a high luminance for a long time upon the application of electric energy, processes of producing the compounds, and luminescent elements including the blue light-emitting compounds. One of the compounds according to the present invention is characterized by the chemical structure represented by formula (1).Type: ApplicationFiled: March 15, 2004Publication date: November 23, 2006Inventors: Tadao Nakaya, Ryoji Matsumoto, Michiaki Tobita, Tomoyuki Saikawa, Naonobu Eto, Tatsuro Ishitobi
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Publication number: 20060152144Abstract: The objective of the present invention is to provide a blue light-emitting polymer capable of emitting blue light for a long time, and further excellent in durability, processes of producing the polymer, and a luminescent element. The blue light-emitting polymer of the invention has a repeating unit represented by formula (1): wherein each of Ar1 and Ar2 is a benzene derivative, a naphthalene derivative, or an anthracene derivative. The present invention also provides processes of producing the blue light-emitting polymer, and a luminescent element including the polymer.Type: ApplicationFiled: June 24, 2004Publication date: July 13, 2006Inventors: Tadao Nakaya, Tatsuro Ishitobi, Michiaki Tobita, Tomoyuki Saikawa
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Publication number: 20050089716Abstract: The present invention provides a light-emitting compound and a light-emitting polymer capable of emitting white light themselves, and a luminescent element including them. The compound has the structure represented by general formula (1). The polymer has the repeating unit represented by formula (3).Type: ApplicationFiled: September 21, 2004Publication date: April 28, 2005Inventors: Tadao Nakaya, Ryoji Matsumoto, Tatsuro Ishitobi
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Publication number: 20040234814Abstract: In view of the fact that luminescent compounds and polymers capable of emitting blue light for a long time and excellent in durability have not been developed, the present invention provides blue light-emitting compounds having special structures, blue light-emitting polymers having special repeating units, processes of producing the compounds, and luminescent elements including the polymers.Type: ApplicationFiled: May 13, 2004Publication date: November 25, 2004Inventors: Tadao Nakaya, Michiaki Tobita, Tomoyuki Saikawa, Tatsuro Ishitobi, Takashi Ushijima, Shinji Takano, Akio Tajima