Patents by Inventor Yohei KAWAI
Yohei KAWAI 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: 11932263Abstract: A travel sickness estimation system includes an estimation unit and an output unit. The estimation unit is configured to perform estimation processing of estimating, based on person information indicating conditions of a person who is on board a moving vehicle, whether or not the person is in circumstances that would cause travel sickness for him or her. The output unit is configured to output a result of the estimation processing performed by the estimation unit.Type: GrantFiled: March 13, 2019Date of Patent: March 19, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuta Moriura, Yoshitaka Nakamura, Yasufumi Kawai, Hiroyuki Handa, Yohei Morishita, Toru Okino, Hiroyuki Hagino, Toru Sakuragawa, Satoshi Morishita
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Patent number: 11644706Abstract: The present invention relates to a glass plate which is provided with a first main surface, and a second main surface which faces the first main surface. An antiglare portion and a non-antiglare portion are provided to the first main surface. The average lengths (RSm) of elements of roughness curves of the antiglare portion and the non-antiglare portion are respectively 1 ?m or higher. The difference between the RSm of the antiglare portion and the RSm of the non-antiglare portion is 100 ?m or lower.Type: GrantFiled: December 18, 2019Date of Patent: May 9, 2023Assignee: AGC INC.Inventors: Hitoshi Mishiro, Takehiko Nose, Minoru Tamada, Yohei Kawai, Naoya Wada
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Publication number: 20220017867Abstract: An object of the present invention is to provide a method for producing T cells or NK cells, a culture medium for culturing T cells or NK cells, a method for culturing T cells or NK cells, a method for maintaining the undifferentiated state of undifferentiated T cells, and a growth promoter for T cells or NK cells, which are capable of efficiently proliferating T cells or NK cells and maintaining the state of the cells (for example, undifferentiated property). The present invention relates to a method for producing T cells or NK cells including culturing T cells or NK cells in a culture medium containing a bisbenzylisoquinoline alkaloid represented by formula (X-1) or formula (X-2) or a compound resulting from cleavage of one ether bond thereof or a pharmaceutically acceptable salt thereof, and the like.Type: ApplicationFiled: December 6, 2019Publication date: January 20, 2022Applicants: KIRIN HOLDINGS KABUSHIKI KAISHA, Kyoto UniversityInventors: Shinichiro TAKAYANAGI, Atsushi KUNISATO, Sayaka CHUGANJI, Ken FUKUMOTO, Kazuki NAKAZONO, Shin KANEKO, Yohei KAWAI
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Publication number: 20210301260Abstract: To enable stable supply of differentiated T cells, the present invention provides a method for producing, or a method for expansion culture, or a kit for expansion culture of a CD3-positive cell in which T cell marker CD3 is expressed on the cell membrane.Type: ApplicationFiled: August 8, 2019Publication date: September 30, 2021Inventors: Shin Kaneko, Yohei Kawai, Suguru Arima, Maiko Takiguchi, Kazuhide Nakayama, Yoshiaki Kassai, Akira Hayashi
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Patent number: 10809424Abstract: A glass sheet composite includes a first glass sheet; a second glass sheet; and a liquid layer sandwiched between the first glass sheet and the second glass sheet. The glass sheet composite has a loss coefficient greater than or equal to 1×10?2 at 25° C., and an acoustic velocity of longitudinal wave greater than or equal to 5.0×103 m/s in a sheet thickness direction at 25° C. The liquid layer has a viscous coefficient of 1×10?4-1×103 Pa·s at 25° C., and a surface tension of 15-80 mN/m at 25° C. The liquid layer contains particles whose mean particle diameter is 0.3-1 ?m.Type: GrantFiled: March 28, 2018Date of Patent: October 20, 2020Assignee: AGC Inc.Inventors: Yohei Kawai, Jun Akiyama
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Publication number: 20200124908Abstract: The present invention relates to a glass plate which is provided with a first main surface, and a second main surface which faces the first main surface. An antiglare portion and a non-antiglare portion are provided to the first main surface. The average lengths (RSm) of elements of roughness curves of the antiglare portion and the non-antiglare portion are respectively 1 ?m or higher. The difference between the RSm of the antiglare portion and the RSm of the non-antiglare portion is 100 ?m or lower.Type: ApplicationFiled: December 18, 2019Publication date: April 23, 2020Applicant: AGC INC.Inventors: Hitoshi Mishiro, Takehiko Nose, Minoru Tamada, Yohei Kawai, Naoya Wada
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Publication number: 20190367877Abstract: A method efficiently produces cytotoxic T lymphocytes having intrinsic properties of lymphocytes of the acquired immune system suitable for cellular immunotherapy. The method includes culturing CD4/CD8 double-positive T cells in a medium containing IL-7 and a T-cell receptor activator, to induce CD8?+?+ cytotoxic T lymphocytes.Type: ApplicationFiled: January 19, 2018Publication date: December 5, 2019Inventors: Shin KANEKO, Yohei KAWAI
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Publication number: 20190345536Abstract: A method for detecting chromosomal aberration including adding an anti-CD3 antibody to a human pluripotent stem cell-derived T lymphocyte and culturing the T lymphocyte, and detecting chromosomal aberration in the cultured T lymphocyte is described. Also described is a method for evaluating inducibility by a test substance of chromosomal aberration including adding an anti-CD3 antibody to a human pluripotent stem cell-derived T lymphocyte and culturing the T lymphocyte, adding a test substance to the cultured T lymphocyte, measuring frequency of chromosomal aberration in the T lymphocyte after addition of the test substance, and evaluating inducibility of chromosomal aberration by comparing the frequency of chromosomal aberration with the frequency standard value in the control group.Type: ApplicationFiled: December 26, 2017Publication date: November 14, 2019Inventors: Katsunori SASAKI, Koichi SAITO, Shin KANEKO, Yohei KAWAI
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Patent number: 10324234Abstract: The present invention provides a substrate with an antireflection layer not only which is excellent in the antireflection properties but also which has high water repellency and oil repellency and favorable oil and fat stain removability, and a display device provided with a substrate with an antireflection layer. A substrate with an antireflection layer, which comprises an antireflection layer on at least one surface of the substrate, wherein the antireflection layer contains a silica porous film having fluorinated organic groups, and the surface of the antireflection layer on the opposite side from the substrate has an element number ratio F/Si of at least 1 as obtained from the peak height of F1s and the peak height of Si2p in surface analysis by scanning X-ray photoelectron spectroscopy (ESCA) and has an arithmetic mean roughness (Sa) of at most 3.0 nm.Type: GrantFiled: October 8, 2015Date of Patent: June 18, 2019Assignee: AGC Inc.Inventors: Kenji Ishizeki, Akira Isobe, Yuki Hatanaka, Yohei Kawai, Takashige Yoneda, Keisuke Abe
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Publication number: 20180284328Abstract: A glass sheet composite includes a first glass sheet; a second glass sheet; and a liquid layer sandwiched between the first glass sheet and the second glass sheet. The glass sheet composite has a loss coefficient greater than or equal to 1×10?2 at 25° C., and an acoustic velocity of longitudinal wave greater than or equal to 5.0×103 m/s in a sheet thickness direction at 25° C. The liquid layer has a viscous coefficient of 1×10?4-1×103 Pa·s at 25° C., and a surface tension of 15-80 mN/m at 25° C. The liquid layer contains particles whose mean particle diameter is 0.3-1 ?m.Type: ApplicationFiled: March 28, 2018Publication date: October 4, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yohei Kawai, Jun Akiyama
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Publication number: 20170291392Abstract: Provided is an article having a low reflection film, containing a transparent substrate and a low reflection film provided on a surface of the transparent film. The low reflection film contains a first layer provided on the surface of the transparent substrate, a second layer contacting a surface of the first layer at the side opposite the transparent substrate, and a third layer contacting a surface of the second layer at the side opposite the first layer. The transparent substrate has a refractive index n0, the first layer has a refractive index n1, the second layer has a refractive index n2, and the third layer has a refractive index n3, and n0, n1, n2, and n3 satisfy the relationship n3<n1<n0<n2.Type: ApplicationFiled: April 6, 2017Publication date: October 12, 2017Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Yohei KAWAI
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Publication number: 20170088458Abstract: To provide a method whereby a low reflective glass member can be produced efficiently at low cost, and a low reflective glass member. The method for producing a low reflective glass member (10) comprises immersing a glass substrate (12) made of borosilicate glass in an aqueous potassium hydrogencarbonate solution, to form a porous layer (14) at the surface of the glass substrate (12), wherein the temperature of the aqueous potassium hydrogencarbonate solution is preferably from 30 to 90° C., the time for immersing the glass substrate (12) in the aqueous potassium hydrogencarbonate solution is preferably from 0.5 to 24 hours, and the thickness of the porous layer (14) is preferably from 10 to 100,000 nm.Type: ApplicationFiled: December 9, 2016Publication date: March 30, 2017Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yuichi KUWAHARA, Yohei KAWAI, Keisuke ABE
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Publication number: 20160025899Abstract: The present invention provides a substrate with an antireflection layer not only which is excellent in the antireflection properties but also which has high water repellency and oil repellency and favorable oil and fat stain removability, and a display device provided with a substrate with an antireflection layer. A substrate with an antireflection layer, which comprises an antireflection layer on at least one surface of the substrate, wherein the antireflection layer contains a silica porous film having fluorinated organic groups, and the surface of the antireflection layer on the opposite side from the substrate has an element number ratio F/Si of at least 1 as obtained from the peak height of F1s and the peak height of Si2p in surface analysis by scanning X-ray photoelectron spectroscopy (ESCA) and has an arithmetic mean roughness (Sa) of at most 3.0 nm.Type: ApplicationFiled: October 8, 2015Publication date: January 28, 2016Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Kenji ISHIZEKI, Akira ISOBE, Yuki HATANAKA, Yohei KAWAI, Takashige YONEDA, Keisuke ABE
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Publication number: 20130279007Abstract: Provided is an article having a low reflection film which has a low reflectance over a wide wavelength range, has a relatively low reflectance with light having a large incident angle and has good weather resistance and durability. An article having a low reflection film 14 on a transparent substrate 12, wherein the low reflection film 14 comprises two layers which are a lower layer 16 on the transparent substrate 12 side and an upper layer 18 formed on the lower layer 16, and wherein the lower layer 16 has a refractive index of from 1.3 to 1.44, and the upper layer 18 has a refractive index of from 1.10 to 1.29.Type: ApplicationFiled: June 24, 2013Publication date: October 24, 2013Inventors: Yohei KAWAI, Takashige Yoneda
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Patent number: 8480989Abstract: Hollow fine particles containing SiO2 as the main component and containing another metal. The amount of the other metal (calculated as oxide) is 0.2 to 8 parts by mass based on 100 parts by mass of SiO2. A coating composition containing the hollow fine particles and a dispersion medium. An article having a coating film including the coating composition formed on a substrate. A process for producing hollow fine particles, which includes (a) precipitating a shell containing SiO2 as the main component and containing another metal on the surface of core fine particles, to obtain core/shell particles, and (b) dissolving or decomposing the core fine particles of the core/shell fine particles.Type: GrantFiled: September 15, 2009Date of Patent: July 9, 2013Assignee: Asahi Glass Company, LimitedInventors: Yohei Kawai, Takashige Yoneda
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Publication number: 20120021177Abstract: To provide a water-repellent substrate with its surface having a large water contact angle and capable of maintaining the contact angle even against abrasion. A process for producing a water-repellent substrate, characterized by forming, on at least one side of a substrate, an undercoat layer which comprises the following aggregates (A) of metal oxide fine particles and a metal oxide type binder (provided that the metal oxide type binder is a component formed from a binder material containing a metal compound (B) which can be converted to a metal oxide by hydrolytic condensation or pyrolysis) and which has a concave-convex surface, and then, forming a water-repellent layer on the undercoat layer: Aggregates (A) of metal oxide fine particles: aggregates which are each composed of metal oxide fine particles having an average primary particle size of from 10 to 80 nm and which have an average aggregate particle size of from 100 to 1200 nm.Type: ApplicationFiled: January 14, 2011Publication date: January 26, 2012Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yohei Kawai, Takashige Yoneda
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Publication number: 20110197787Abstract: To provide dense hollow particles having a thin shell, a process for simply producing the hollow particles at low cost, a coating composition for forming a coating film having a high antireflection property and an article having a coating film having a high antireflection property. Hollow particles each composed of a shell made of silicon oxide as the main component, wherein the thickness of the shell is from 0.5 to 4 nm, and in the histogram of the pore volume obtained by the nitrogen adsorption method, the maximum value of the pore volume is from 0.01 to 0.08 mL/g within the range of the pore diameter of at most 3 nm.Type: ApplicationFiled: April 29, 2011Publication date: August 18, 2011Applicant: ASAHI GLASS COMPANY, LIMTEDInventors: Yohei KAWAI, Takashige Yoneda
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Publication number: 20110094416Abstract: To provide core-shell particles having a dense shell, and a method whereby the core-shell particles can be produced in a short period of time. Core particles wherein the shell has a thickness of from 1 to 500 nm and has 0.01 cc/g as the maximum pore volume value of pores having diameters of at most 3 nm in a pore volume histogram obtained by nitrogen adsorption, and an average particle size in a dispersion medium is from 1 to 1,000 nm; is obtained by irradiating a liquid containing core particles made of a material having a dielectric constant of at least 10 and a metal oxide precursor with a microwave to form a shell made of a metal oxide on the surface of the core particles.Type: ApplicationFiled: January 4, 2011Publication date: April 28, 2011Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yohei KAWAI, Takashige YONEDA
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Publication number: 20110076484Abstract: To provide a method whereby core-shell particles and hollow particles can be produced while suppressing formation of a gel or particles made of a shell-forming material; core-shell particles and a coating composition wherein a shell thickness is strictly controlled; and an article having a coating film having a high antireflection effect. Core-shell particles obtained by irradiating a liquid containing core particles made of a material having a dielectric constant of at least 10 and a metal oxide precursor with a microwave to form a shell made of a metal oxide on the surface of the core particles are used.Type: ApplicationFiled: December 2, 2010Publication date: March 31, 2011Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yohei KAWAI, Takashige Yoneda
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Publication number: 20100047555Abstract: To provide hollow fine particles having a refractive index suppressed and having excellent alkali resistance, a production process thereof, a coating composition with which a coating film having an antireflection effect and excellent alkali resistance can be formed, and an article which can maintain a high antireflection effect for a long period of time. Hollow fine particles containing SiO2 as the main component and containing Zr, wherein the Zr content (as calculated as ZrO2) is from 0.Type: ApplicationFiled: September 11, 2009Publication date: February 25, 2010Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Yohei KAWAI, Takashige Yoneda