Patents by Inventor Satoshi Watabe

Satoshi Watabe 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).

  • Publication number: 20210320267
    Abstract: The emission efficiency of a light-emitting device that emits near-infrared light is increased. The reliability of a light-emitting device that emits near-infrared light is increased. A light-emitting device using an organic compound that emits light having a maximum peak wavelength greater than or equal to 760 nm and less than or equal to 900 nm is provided. An organometallic complex represented by General Formula (G1) is provided. In the formula, each of R1 to R11 independently represents hydrogen or an alkyl group having 1 to 6 carbon atoms; at least two of R1 to R4 and at least two of R5 to R9 represent an alkyl group having 1 to 6 carbon atoms; X represents a substituted or unsubstituted benzene ring or naphthalene ring; n is 2 or 3; and L represents a monoanionic ligand.
    Type: Application
    Filed: September 17, 2019
    Publication date: October 14, 2021
    Inventors: Satoshi SEO, Tomoya YAMAGUCHI, Hideko YOSHIZUMI, Takeyoshi WATABE
  • Publication number: 20210317069
    Abstract: To provide a novel arylamine compound with a low refractive index. The provided arylamine compound includes at least one aromatic group. The aromatic group includes a first benzene ring, a second benzene ring, a third benzene ring, and at least three alkyl groups. The first benzene ring, the second benzene ring, and the third benzene ring are directly bonded in this order. The first benzene ring is bonded to nitrogen of amine. The first benzene ring may further include a substituted or unsubstituted phenyl group. The second benzene ring or the third benzene ring may further include an alkylated phenyl group. Each of first positions and third positions of two or more of the first to third benzene rings is independently bonded to another benzene ring, a benzene ring of the alkylated phenyl group, any of the at least three alkyl groups, or the nitrogen of the amine.
    Type: Application
    Filed: March 26, 2021
    Publication date: October 14, 2021
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Satoshi SEO, Nobuharu OHSAWA, Tomohiro KUBOTA, Takeyoshi WATABE, Airi UEDA, Yasushi KITANO, Takao TOSU
  • Patent number: 11145827
    Abstract: To provide a light-emitting element with high emission efficiency and low driving voltage. The light-emitting element includes a guest material and a host material. A LUMO level of the host material is higher than a LUMO level of the host material, and a HOMO level of the guest material is lower than a HOMO level of the host material. The guest material has a function of converting triplet excitation energy into light emission. The difference between a singlet excitation energy level and a triplet excitation energy level of the host material is greater than 0 eV and less than or equal to 0.2 eV. The energy difference between the LUMO level and the HOMO level of the host material is larger than or equal to light emission energy of the guest material.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: October 12, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takeyoshi Watabe, Satoshi Seo, Satomi Mitsumori
  • Patent number: 11133482
    Abstract: Provided is a light-emitting element including a fluorescence-emitting material with high emission efficiency. The light-emitting element includes a pair of electrodes and an EL layer between the pair of electrodes. The EL layer includes a first organic compound, a second organic compound, and a guest material. The first organic compound has a function of emitting a thermally activated delayed fluorescence at room temperature. The guest material has a function of emitting fluorescence. A HOMO level of the first organic compound higher than or equal to a HOMO level of the second organic compound. A LUMO level of the first organic compound is lower than or equal to a LUMO level of the second organic compound.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: September 28, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Nobuharu Ohsawa, Takeyoshi Watabe
  • Patent number: 11121326
    Abstract: A novel organic compound is provided. That is, a novel organic compound that is effective in improving the element characteristics and reliability is provided. The organic compound has a benzofuroquinoxaline skeleton or a benzothienoquinoxaline skeleton. The organic compound is represented by General Formula (G1). In the formula, Q represents O or S, and each of R1 to R8 independently represents any of hydrogen, a halogeno group, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted aryl group having 6 to 12 carbon atoms, and a substituted or unsubstituted heteroaryl group having 3 to 12 carbon atoms. At least one of R1 to R8 includes a substituted or unsubstituted condensed aromatic or heteroaromatic ring having 3 to 24 carbon atoms.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: September 14, 2021
    Inventors: Hiroki Suzuki, Tomoya Yamaguchi, Hideko Yoshizumi, Satoshi Seo, Tatsuyoshi Takahashi, Hiromitsu Kido, Satomi Watabe
  • Publication number: 20210220355
    Abstract: There is provided an antitumor agent for acute myeloid leukemia, which exhibits a practical curing effect on acute myeloid leukemia. According to the present invention, there is provided the antitumor agent for acute myeloid leukemia, whose dose per administration is within a predetermined range and which contains a compound represented by General Formula [1] specified in the present specification, such as (S,E)-N-(1-((5-(2-((4-cyanophenyl)amino)-4-(propylamino)pyrimidin-5-yl)-4-pentyn-1-yl)amino)-1-oxopropan-2-yl)-4-(dimethylamino)-N-methyl-2-butenamide or a salt thereof.
    Type: Application
    Filed: April 8, 2021
    Publication date: July 22, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Makoto Ando, Satoshi Watabe
  • Publication number: 20190106727
    Abstract: The present invention pertains to an enzymatic measurement method using an antibody-enzyme complex or a nucleic acid probe measurement method using an enzyme-labeled nucleic acid probe, in both of which the quantification of a product of a reaction by an enzyme in the antibody-enzyme complex or the enzyme-labeled nucleic acid probe is performed by generating thio-NAD(P)H by an enzymatic cycling reaction using NAD(P)H, thio-NAD(P), and a dehydrogenase (DH), and measuring the amount of the generated thio-NAD(P)H or measuring a change in color caused by the generated thio-NAD(P)H. An enzymatic reaction system in which NAD(P) generated from NAD(P)H by the enzymatic cycling reaction is selectively reduced, is caused to coexist with the enzymatic cycling reaction. The present invention also pertains to a kit for enzyme immunoassay, and a kit for nucleic acid probe measurement.
    Type: Application
    Filed: March 7, 2017
    Publication date: April 11, 2019
    Inventors: Etsuro Ito, Toshiaki Miura, Teruki Yoshimura, Satoshi Watabe
  • Publication number: 20180106727
    Abstract: Provided is a ultra-high-sensitivity assay in which the assay can be made on a commonly used assay apparatus such as an absorptiometer and a plate reader or with naked eyes. The high-sensitivity assay in which the assay can be made on a commonly used assay apparatus or with naked eyes can be provided by combining an enzyme cycling method using thio-NAD(P) as a coenzyme, a labeling enzyme and a substrate for the labeling enzyme optimally, and by amplifying thio-NAD(P)H, which is a signaling substance, exponentially and then quantifying the thio-NAD(P)H colorimetrically.
    Type: Application
    Filed: December 18, 2017
    Publication date: April 19, 2018
    Inventors: Etsuro ITO, Satoshi WATABE, Toshiaki MIURA, Teruki YOSHIMURA
  • Patent number: 7277001
    Abstract: A coil-embedded dust core of the present invention is provided with a molded coil component including a coil main body having a structure in which a flat type conductor wire is wound edgewise, one end side terminal portion disposed by being lead in the thickness direction of the coil main body, the other end side terminal portion, one end side leading electrode portion disposed by extending the one end side terminal portion, and the other end side leading electrode portion disposed by extending the other end side terminal portion; and a dust core composed of a soft magnetic alloy powder disposed covering the coil main body, the one end side terminal portion, and the other end side terminal portion of the molded coil component.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: October 2, 2007
    Assignee: Alps Electric Co., Ltd.
    Inventors: Takao Mizushima, Yutaka Naito, Kazuo Aoki, Hidetaka Kemmotsu, Satoshi Watabe
  • Publication number: 20060038651
    Abstract: A coil-embedded dust core of the present invention is provided with a molded coil component including a coil main body having a structure in which a flat type conductor wire is wound edgewise, one end side terminal portion disposed by being lead in the thickness direction of the coil main body, the other end side terminal portion, one end side leading electrode portion disposed by extending the one end side terminal portion, and the other end side leading electrode portion disposed by extending the other end side terminal portion; and a dust core composed of a soft magnetic alloy powder disposed covering the coil main body, the one end side terminal portion, and the other end side terminal portion of the molded coil component.
    Type: Application
    Filed: August 16, 2005
    Publication date: February 23, 2006
    Inventors: Takao Mizushima, Yutaka Naito, Kazuo Aoki, Hidetaka Kemmotsu, Satoshi Watabe
  • Patent number: 5807727
    Abstract: A pectinase for degradation a pectin or pectic acid is disclosed wherein(1) the novel pectinase is an endopolygalacturonase produced from a, Saccharomyces bayanus,(2) the optimal pH is 4.0,(3) the stable pH range is 4.0 to 8.0,(4) the optimal temperature is 45.degree. C.,(5) the enzymatic activity is stable up to 45.degree. C., and(6) the molecular weight is 38,000. A low-molecular pectin having a low viscosity and a high solubility and maintaining the physiological activity as the dietary fiber, and food and drink each of which contains 0.01 to 50 wt % of the low molecular pectin are also disclosed.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: September 15, 1998
    Assignee: Japan Tobacco Inc.
    Inventors: Setsuko Uchida, Satoshi Watabe