Patents by Inventor Takeshi Ishigaki
Takeshi Ishigaki 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: 11591426Abstract: Disclosed are: a polymer for treating the surface of a medical device such as a contact lens to suppress the reduction in lubricity of the device even when the device is scrubbed; a medical device having the polymer on the surface so that the reduction in lubricity over time is suppressed; and a wetting agent containing the polymer. The polymer for treating the surface is a copolymer which is water-soluble and includes as constitutional units the following monomers A and B: monomer A: a monomer containing a (meth)acryloyl group and an ester or amide structure in a molecule, in which the ester or amide structure is not constituted by including a part of the (meth)acryloyl group; monomer B: a monomer containing a (meth)acrylamide group in a molecule and having a structure different from that of the monomer A.Type: GrantFiled: September 29, 2020Date of Patent: February 28, 2023Assignee: TORAY INDUSTRIES, INC.Inventors: Kyohei Yamashita, Takeshi Ishigaki, Masataka Nakamura
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Publication number: 20210015960Abstract: Disclosed are: a polymer for treating the surface of a medical device such as a contact lens to suppress the reduction in lubricity of the device even when the device is scrubbed; a medical device having the polymer on the surface so that the reduction in lubricity over time is suppressed; and a wetting agent containing the polymer. The polymer for treating the surface is a copolymer which is water-soluble and includes as constitutional units the following monomers A and B: monomer A: a monomer containing a (meth)acryloyl group and an ester or amide structure in a molecule, in which the ester or amide structure is not constituted by including a part of the (meth)acryloyl group; monomer B: a monomer containing a (meth)acrylamide group in a molecule and having a structure different from that of the monomer A.Type: ApplicationFiled: September 29, 2020Publication date: January 21, 2021Applicant: Toray Industries, Inc.Inventors: Kyohei Yamashita, Takeshi Ishigaki, Masataka Nakamura
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Patent number: 10700308Abstract: Provided are an aromatic amine compound as represented by formula (1), used for improving light extraction efficiency and color purity of an organic light-emitting element, an organic light-emitting element material containing the aromatic amine compound, an organic light-emitting element covering layer material containing the aromatic amine compound, and an organic light-emitting element containing the aromatic amine compound. The organic light-emitting element achieves high light-emitting efficiency and color reproducibility. The organic light-emitting element can be used as organic EL display, backlight source for liquid crystal display, illumination, light source for measurement devices, indication board or identification lamp etc. The organic light-emitting element significantly improves light extraction efficiency and has superior color purity.Type: GrantFiled: December 18, 2014Date of Patent: June 30, 2020Assignee: Toray Industries, Inc.Inventors: Guangnan Jin, Peng Wang, Fangrong Xu, Lingzhi Zhong, Takeshi Ishigaki, Daisaku Tanaka, Takeshi Ikeda, Takuya Nishiyama
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Patent number: 10483488Abstract: An organic light-emitting element, including a substrate, a first electrode, a light-emitting layer containing one organic or more layer film, and a light-emitting element of a second electrode are disclosed. The light-emitting element is provided with a covering layer. For the organic material contained in covering layer, at least one point in the wavelength range between 430 nm and 460 nm the attenuation coefficient is greater than 0.10 while in the wavelength range of 460 nm to 500 nm its attenuation coefficient is 0.10 or below. The organic light-emitting element achieves high light-emitting efficiency and color reproducibility, and can be used as organic EL display, backlight source for liquid crystal display, illumination, light source for measurement devices, indication board or identification lamp etc.Type: GrantFiled: December 18, 2014Date of Patent: November 19, 2019Assignee: TORAY INDUSTRIES, INC.Inventors: Guangnan Jin, Peng Wang, Fangrong Xu, Lingzhi Zhong, Takeshi Ishigaki, Daisaku Tanaka, Takeshi Ikeda, Takuya Nishiyama
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Publication number: 20190099511Abstract: Disclosed are: a polymer for treating the surface of a medical device such as a contact lens to suppress the reduction in lubricity of the device even when the device is scrubbed; a medical device having the polymer on the surface so that the reduction in lubricity over time is suppressed; and a wetting agent containing the polymer. The polymer for treating the surface is a copolymer which is water-soluble and includes as constitutional units the following monomers A and B: monomer A: a monomer containing a (meth)acryloyl group and an ester or amide structure in a molecule, in which the ester or amide structure is not constituted by including a part of the (meth)acryloyl group; monomer B: a monomer containing a (meth)acrylamide group in a molecule and having a structure different from that of the monomer A.Type: ApplicationFiled: March 17, 2017Publication date: April 4, 2019Applicant: Toray Industries, Inc.Inventors: Kyohei Yamashita, Takeshi Ishigaki, Masataka Nakamura
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Publication number: 20170018733Abstract: An organic light-emitting element, including a substrate, a first electrode, a light-emitting layer containing one organic or more layer film, and a light-emitting element of a second electrode are disclosed. The light-emitting element is provided with a covering layer. For the organic material contained in covering layer, at least one point in the wavelength range between 430 nm and 460 nm the attenuation coefficient is greater than 0.10 while in the wavelength range of 460 nm to 500 nm its attenuation coefficient is 0.10 or below. The organic light-emitting element achieves high light-emitting efficiency and color reproducibility, and can be used as organic EL display, backlight source for liquid crystal display, illumination, light source for measurement devices, indication board or identification lamp etc.Type: ApplicationFiled: December 18, 2014Publication date: January 19, 2017Applicant: TORAY INDUSTRIES, INC.Inventors: Guangnan Jin, Peng Wang, Fangrong Xu, Lingzhi Zhong, Takeshi Ishigaki, Daisaku Tanaka, Takeshi Ikeda, Takuya Nishiyama
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Publication number: 20160322606Abstract: Provided are an aromatic amine compound as represented by formula (1), used for improving light extraction efficiency and color purity of an organic light-emitting element, an organic light-emitting element material containing the aromatic amine compound, an organic light-emitting element covering layer material containing the aromatic amine compound, and an organic light-emitting element containing the aromatic amine compound. The organic light-emitting element achieves high light-emitting efficiency and color reproducibility. The organic light-emitting element can be used as organic EL display, backlight source for liquid crystal display, illumination, light source for measurement devices, indication board or identification lamp etc. The organic light-emitting element significantly improves light extraction efficiency and has superior color purity.Type: ApplicationFiled: December 18, 2014Publication date: November 3, 2016Applicant: TORAY INDUSTRIES, INC.Inventors: Guangnan Jin, Peng Wang, Fangrong Xu, Lingzhi Zhong, Takeshi Ishigaki, Daisaku Tanaka, Takeshi Ikeda, Takuya Nishiyama
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Patent number: 8610345Abstract: A light emitting device material containing a pyrene compound of formula (1) and a light emitting device.Type: GrantFiled: September 8, 2006Date of Patent: December 17, 2013Assignee: TORAY Industries, Inc.Inventors: Seiichiro Murase, Kazumasa Nagao, Kazunori Sugimoto, Takeshi Ishigaki, Takafumi Ogawa
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Patent number: 8114529Abstract: The invention provides a light emitting device having a low driving voltage and excellent durability by a material for a light emitting device expressed by the general formula (1): wherein each of R1, R2, R3, R4, R5 and R6 may be the same or different and is selected from hydrogen, an alkyl group, and an aryl group, A represents an n-valent aromatic hydrocarbon group, B represents an alkyl group or an aryl group, X represents carbon or nitrogen, n represents a natural number from 2 to 6, and n substituents having a phenanthroline skeleton or a benzoquinoline skeleton may be the same or different.Type: GrantFiled: August 23, 2004Date of Patent: February 14, 2012Inventors: Daisuke Kitazawa, Tsuyoshi Tominaga, Mariko Sano, Takeshi Ishigaki, Kazunori Sugimoto
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Patent number: 7999390Abstract: A semiconductor integrated circuit according to an example of the present invention includes a first interconnect extending in a first direction, a second interconnect arranged over the first interconnect and extending in a second direction intersecting the first direction, a first via for connecting a first contact part of the first interconnect and a second contact part of the second interconnect, and a second via for connecting a third contact part of the first interconnect and a fourth contact part of the second interconnect. The first and third contact parts are arranged by being aligned in the first direction, and the second and fourth contact parts are arranged by being aligned in the second direction.Type: GrantFiled: June 12, 2008Date of Patent: August 16, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Takeshi Ishigaki, Noriaki Matsunaga
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Patent number: 7528642Abstract: A semiconductor integrated circuit device includes a semiconductor substrate having a first area. A first counter is provided in the first area, cyclically counts and outputs a first counter signal as a result of counting. A global reset circuit is provided on the semiconductor substrate and outputs a global reset signal. A first local reset circuit is provided in the first area and outputs a first local reset signal upon receiving the first counter signal of a set value after supplied with the global reset signal. A first circuit is provided in the first area and supplied with the first local reset signal.Type: GrantFiled: August 15, 2005Date of Patent: May 5, 2009Assignee: Kabushiki Kaisha ToshibaInventor: Takeshi Ishigaki
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Publication number: 20090096356Abstract: A light emitting device material containing a pyrene compound of formula (1) and a light emitting device.Type: ApplicationFiled: September 8, 2006Publication date: April 16, 2009Inventors: Seiichiro Murase, Kazumasa Nagao, Kazunori Sugimoto, Takeshi Ishigaki, Takafumi Ogawa
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Publication number: 20080308945Abstract: A semiconductor integrated circuit according to an example of the present invention includes a first interconnect extending in a first direction, a second interconnect arranged over the first interconnect and extending in a second direction intersecting the first direction, a first via for connecting a first contact part of the first interconnect and a second contact part of the second interconnect, and a second via for connecting a third contact part of the first interconnect and a fourth contact part of the second interconnect. The first and third contact parts are arranged by being aligned in the first direction, and the second and fourth contact parts are arranged by being aligned in the second direction.Type: ApplicationFiled: June 12, 2008Publication date: December 18, 2008Applicant: Kabushiki Kaisha ToshibaInventors: Takeshi Ishigaki, Noriaki Matsunaga
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Publication number: 20070296471Abstract: A semiconductor integrated circuit device includes a semiconductor substrate having a first area. A first counter is provided in the first area, cyclically counts and outputs a first counter signal as a result of counting. A global reset circuit is provided on the semiconductor substrate and outputs a global reset signal. A first local reset circuit is provided in the first area and outputs a first local reset signal upon receiving the first counter signal of a set value after supplied with the global reset signal. A first circuit is provided in the first area and supplied with the first local reset signal.Type: ApplicationFiled: August 15, 2005Publication date: December 27, 2007Inventor: Takeshi Ishigaki
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Publication number: 20070267958Abstract: The invention provides a light emitting device having a low driving voltage and excellent durability by a material for a light emitting device expressed by the general formula (1): where in each of R1, R2, R3, R4, R5 and R6 may be the same or different and is selected from hydrogen, an alkyl group, and an aryl group, A represents an n-valent aromatic hydrocarbon group, B represents an alkyl group or an aryl group, X represents carbon or nitrogen, n represents a natural number from 2 to 6, and n substituents having a phenanthroline skeleton or a benzoquinoline skeleton may be the same or different.Type: ApplicationFiled: August 23, 2004Publication date: November 22, 2007Applicant: TORAY INDUSTRIES, INC.Inventors: Daisuke Kitazawa, Tsuyoshi Tominaga, Mariko Sano, Takeshi Ishigaki, Kazunori Sugimoto
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Publication number: 20060241132Abstract: Disclosed is the use of an adhesion molecule inhibitor that is effective in the prevention and treatment of inflammatory diseases caused by infiltration of leukocytes such as monocytes, lymphocytes and eosindphils, by inhibiting cell infiltration which mediates adhesion molecules, especially adhesion molecule VLA-4. Since the spiro acid derivatives according to the present invention are excellent in the effect of inhibiting cell adhesion via adhesion molecules, especially adhesion molecule VLA-4, they are useful as therapeutic drugs against various inflammatory diseases. For example, provided are the spiro derivative and the adhesion molecule inhibitor which includes as an active ingredient the spiro derivative as shown by the below formula (18).Type: ApplicationFiled: March 19, 2003Publication date: October 26, 2006Applicant: Toray Industries, Inc. A Corporation of JapanInventors: Takeshi Ishigaki, Koji Taniguchi, Aki Taniguchi, Mie Kainoh, Hiroyuki Meguro, Yoko Ishizaka
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Publication number: 20060236273Abstract: A computer implemented method for designing a semiconductor integrated circuit includes analyzing information of standard cells to be arranged in a chip area based on circuit behavior information so as to generate standard cell information, generating a mega cell including a group of standard cells, based on the standard cell information, and making a layout in which the same patterns repeat in the chip area by arranging a plurality of the mega cells having the same shape, throughout the chip area based on the circuit behavior information.Type: ApplicationFiled: March 30, 2006Publication date: October 19, 2006Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Takeshi Ishigaki
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Patent number: 6919349Abstract: Disclosed are novel spiro derivatives and their medical uses, especially as adhesion molecule inhibitors useful for therapies of inflammatory diseases.Type: GrantFiled: September 25, 2001Date of Patent: July 19, 2005Assignee: Toray Industries, Inc.Inventors: Toshiya Takahashi, Takeshi Ishigaki, Miyuki Funahashi, Koji Taniguchi, Masayuki Kaneko, Mie Kainoh, Hiroyuki Meguro
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Publication number: 20050155001Abstract: A method for designing a semiconductor integrated circuit, includes placing first, second and third cells, respectively including first stage synchronous circuit having signal propagation time, second stage synchronous circuit having a signal propagation time almost equal to the first stage synchronous circuit, and logic circuit; routing wirings so as to electrically connect the first to third cells; verifying signal propagation timing of the semiconductor integrated circuit having the first to third cells; adjusting the signal propagation timing based on critical path of the signal propagation timing of the semiconductor integrated circuit; and extracting the critical path to replace the second stage synchronous circuit by synchronous circuit of different synchronous type from the first stage synchronous circuit so as to provide a shorter signal propagation time than the first stage synchronous circuit.Type: ApplicationFiled: November 16, 2004Publication date: July 14, 2005Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koichi Kinoshita, Takeshi Ishigaki, Yukihiro Urakawa
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Patent number: 6876221Abstract: A semiconductor system includes a plurality of semiconductor chips, a first group of wirings, a second group of wirings and a connection rearrange wiring section. The first group of wirings interconnect the plurality of semiconductor chips. The second group of wirings are used for redundancy and interconnect the plurality of semiconductor chips. The connection rearrange wiring section includes a connection test circuit and connection rearrange circuit. The connection test circuit makes a test for connection between the plurality of semiconductor chips by means of the first group of wirings. The connection rearrange circuit makes unusable a wiring of the first group in which poor connection occurs and rearranges the connection between the semiconductor chips by use of the wiring of the second group when the poor connection is detected in the wiring of the first group by the connection test circuit.Type: GrantFiled: July 29, 2004Date of Patent: April 5, 2005Assignee: Kabushiki Kaisha ToshibaInventor: Takeshi Ishigaki