Patents by Inventor Yoshiyuki Totani

Yoshiyuki Totani 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: 20240067763
    Abstract: The solid titanium catalyst component (I) of the present invention contains titanium, magnesium, halogen, and a cyclic multiple-ester-group-containing compound (a) represented by the following formula (1).
    Type: Application
    Filed: August 26, 2021
    Publication date: February 29, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takashi KIMURA, Makoto ISOGAI, Yasushi NAKAYAMA, Kenji MICHIUE, Takashi JINNAI, Wataru YAMADA, Shotaro TAKANO, Hiroshi TERAO, Takaaki YANO, Yoshiyuki TOTANI, Sunil Krzysztof MOORTHI, Takashi NAKANO
  • Publication number: 20240067764
    Abstract: A solid titanium catalyst component (I) for olefin polymer production contains titanium, magnesium, halogen, and a cyclic multiple-ester-group-containing compound (a) represented by the formula (1). Preferably, a propylene polymer that is obtained by the olefin polymerization method and has specific thermal properties as determined primarily by differential scanning calorimetry (DSC).
    Type: Application
    Filed: December 21, 2021
    Publication date: February 29, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takashi KIMURA, Makoto ISOGAI, Yasushi NAKAYAMA, Kenji MICHIUE, Takashi JINNAI, Wataru YAMADA, Shotaro TAKANO, Hiroshi TERAO, Takaaki YANO, Yoshiyuki TOTANI, Sunil Krzysztof MOORTHI, Takashi NAKANO
  • Publication number: 20230348669
    Abstract: Provided is a compound represented by General Formula (1) in General Formula (1), Ar1 and Ar2 independently represent a group selected from the following Formulae,
    Type: Application
    Filed: July 5, 2023
    Publication date: November 2, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shintaro MAEKAWA, Yoshiyuki TOTANI, Kosuke MANO
  • Patent number: 11746187
    Abstract: Provided is a compound represented by General Formula (1) in General Formula (1), Ar1 and Ar2 independently represent a group selected from the following Formulae,
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: September 5, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shintaro Maekawa, Yoshiyuki Totani, Kosuke Mano
  • Patent number: 11630241
    Abstract: The lens of the present invention includes an indole-based compound represented by General Formula (1), and a polycarbonate resin having a weight average molecular weight of 40,000 to 60,000, wherein the content of the indole-based compound is 0.01 to 0.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: April 18, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yoshiyuki Totani, Kiyohiro Saito
  • Publication number: 20230022186
    Abstract: Provided is a compound represented by General Formula (1) in General Formula (1), Ar1 and Ar2 independently represent a group selected from the following Formulae,
    Type: Application
    Filed: July 27, 2021
    Publication date: January 26, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shintaro MAEKAWA, Yoshiyuki TOTANI, Kosuke MANO
  • Publication number: 20220363650
    Abstract: Provided is a benzotriazole compound represented by Formula (1). In Formula (1), R1 to R4 represent substituents. In Formula (1), n1 represents an integer from 0 to 4, and n2 represents an integer from 0 to 3.
    Type: Application
    Filed: September 18, 2020
    Publication date: November 17, 2022
    Applicants: MITSUI CHEMICALS, INC., YAMAMOTO CHEMICALS, INC.
    Inventors: Masaru KAWAGUCHI, Shinsuke ITO, Yoshiyuki TOTANI, Yusuke MATSUI, Yojirou KUMAGAE, Daisuke KAKIO, Bunji SAWANO, Hiroshi NARUSE, Ryoji YAMAGUCHI
  • Patent number: 11442066
    Abstract: Finding a protein of a minute amount present on a cell membrane to provide a method for producing an antibody against the protein. Producing an antibody using a protein identified by an identification method including: a labeling step of using a labeling agent comprising at least one selected from bis-iminobiotin compounds and bis-biotin compounds to obtain cells having a labeled protein; a degradation step of preparing a degradation product for an immobilization treatment, the degradation product containing the labeled protein; an immobilization step of immobilizing the labeled protein contained in the degradation product for an immobilization treatment on a stationary phase via a streptavidin mutant; a cleavage step of releasing an analysis sample from the stationary phase on which the labeled protein is immobilized; and an analysis step of analyzing the analysis sample to identify the labeled protein.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: September 13, 2022
    Assignees: MITSUI CHEMICALS, INC, NATIONAL INSTITUTES OF BIOMEDICAL INNOVATION HEALTH AND NUTRITION, SAVID THERAPEUTICS INC.
    Inventors: Tsuneji Suzuki, Yoshiyuki Totani, Kosuke Mano, Shinichi Banba, Haruhiko Kamada, Taisuke Nakayama, Hiroki Akiba, Kouhei Tsumoto, Tsuyoshi Inoue
  • Publication number: 20200200945
    Abstract: The lens of the present invention includes an indole-based compound represented by General Formula (1), and a polycarbonate resin having a weight average molecular weight of 40,000 to 60,000, wherein the content of the indole-based compound is 0.01 to 0.
    Type: Application
    Filed: May 18, 2018
    Publication date: June 25, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yoshiyuki TOTANI, Kiyohiro SAITO
  • Publication number: 20190383821
    Abstract: Finding a protein of a minute amount present on a cell membrane to provide a method for producing an antibody against the protein. Producing an antibody using a protein identified by an identification method including: a labeling step of using a labeling agent comprising at least one selected from bis-iminobiotin compounds and bis-biotin compounds to obtain cells having a labeled protein; a degradation step of preparing a degradation product for an immobilization treatment, the degradation product containing the labeled protein; an immobilization step of immobilizing the labeled protein contained in the degradation product for an immobilization treatment on a stationary phase via a streptavidin mutant; a cleavage step of releasing an analysis sample from the stationary phase on which the labeled protein is immobilized; and an analysis step of analyzing the analysis sample to identify the labeled protein.
    Type: Application
    Filed: February 19, 2018
    Publication date: December 19, 2019
    Applicants: MITSUI CHEMICALS, INC., NATIONAL INSTITUTES OF BIOMEDICAL INNOVATION, HEALTH AND NUTRITION, SAVID THERAPEUTICS INC.
    Inventors: Tsuneji SUZUKI, Yoshiyuki TOTANI, Kosuke MANO, Shinichi BANBA, Haruhiko KAMADA, Taisuke NAKAYAMA, Hiroki AKIBA, Kouhei TSUMOTO, Tsuyoshi INOUE
  • Patent number: 9139522
    Abstract: Disclosed is a long-life organic EL device having high luminous efficiency even after storage at high temperatures. Also disclosed is an aromatic amine derivative which enables to realize such an organic EL device. The aromatic amine derivative is represented by the following general formula (1). (In the formula (1), Ar1 is represented by the general formula (2) below, and Ar2 is represented by the general formula (3) below.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: September 22, 2015
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Nobuhiro Yabunouchi, Michiru Sekiguchi, Takahiko Ochi, Yoshiyuki Totani
  • Patent number: 8980442
    Abstract: There are provided an aromatic monoamine derivative having a fluorene structure-containing organic group and an aromatic hydrocarbon group-containing organic group, and an organic electroluminescent element containing an organic thin film layer composed of a single layer or plural layers while including at least a light emitting layer, the organic thin film layer being between a cathode and an anode, wherein at least one layer of the organic thin film layer, particularly a hole transport layer, contains the aromatic amine derivative alone or as a component of a mixture. An organic electroluminescent element which maintains high luminous efficiency even if exposed to a high temperature environment, and has a low driving voltage and a long emission lifetime, and an aromatic amine derivative capable of realizing the organic electroluminescent element are provided.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: March 17, 2015
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Nobuhiro Yabunouchi, Tomoki Kato, Takahiro Fujiyama, Yoshiyuki Totani
  • Patent number: 8294144
    Abstract: In order to attain high mobility, large on/off current ratio and excellent storage stability to organic transistor comprising an organic semiconductor layer, the organic semiconductor layer comprises at least one compound represented by the general formula (1): (wherein each of X1 to X4 represents independently a hydrogen atom, a halogen atom, a straight, branched or cyclic alkyl group, a straight, branched or cyclic alkoxy group, a straight, branched or cyclic alkoxyalkyl group, or an unsubstituted or substituted aryl group, A represents an unsubstituted or substituted thiophene ring, B represents an unsubstituted or substituted benzene ring, or an unsubstituted or substituted thiophene ring).
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: October 23, 2012
    Assignee: Yamamoto Chemicals, Inc.
    Inventors: Takahiro Fujiyama, Yoshiyuki Totani, Masakatsu Nakatsuka
  • Publication number: 20120095169
    Abstract: The invention provides a polylactic acid-based resin having a high molecular weight, high heat resistance and an amide bond in its molecular chain, a production process and a use thereof. The polylactic acid-based resin comprises a constituting unit represented by the following formula (1) and which is obtained by allowing a polyisocyanate compound to react with a mixture comprising at least a poly (L-lactic acid) in which the percentage of the terminal functional group which is a carboxyl group exceeds 50% and a poly (D-lactic acid) in which the percentage of the terminal functional group which is a carboxyl group exceeds 50%. (in the formula (1), R is a polyisocyanate residue and represents an aliphatic hydrocarbon group having 1 to 20 carbon atoms, a hydrocarbon group having an alicyclic structure and 3 to 20 carbon atoms or a hydrocarbon group having an aromatic ring and 6 to 20 carbon atoms.
    Type: Application
    Filed: June 30, 2009
    Publication date: April 19, 2012
    Inventors: Ryohei Ogawa, Shinichi Usugi, Hirokazu Mizuma, Yoshiyuki Totani, Masashi Tsuji, Akira Hasegawa, Hideshi Hori
  • Publication number: 20120012832
    Abstract: There are provided an aromatic monoamine derivative having a fluorene structure-containing organic group and an aromatic hydrocarbon group-containing organic group, and an organic electroluminescent element containing an organic thin film layer composed of a single layer or plural layers while including at least a light emitting layer, the organic thin film layer being between a cathode and an anode, wherein at least one layer of the organic thin film layer, particularly a hole transport layer, contains the aromatic amine derivative alone or as a component of a mixture. An organic electroluminescent element which maintains high luminous efficiency even if exposed to a high temperature environment, and has a low driving voltage and a long emission lifetime, and an aromatic amine derivative capable of realizing the organic electroluminescent element are provided.
    Type: Application
    Filed: March 18, 2010
    Publication date: January 19, 2012
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Nobuhiro Yabunouchi, Tomoki Kato, Takahiro Fujiyawa, Yoshiyuki Totani
  • Publication number: 20110198581
    Abstract: Disclosed is a long-life organic EL device having high luminous efficiency even after storage at high temperatures. Also disclosed is an aromatic amine derivative which enables to realize such an organic EL device. The aromatic amine derivative is represented by the following general formula (1). (In the formula (1), Ar1 is represented by the general formula (2) below, and Ar2 is represented by the general formula (3) below.
    Type: Application
    Filed: October 17, 2008
    Publication date: August 18, 2011
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Nobuhiro Yabunouchi, Michiru Sekiguchi, Takahiko Ochi, Yoshiyuki Totani
  • Publication number: 20110012098
    Abstract: In order to attain high mobility, large on/off current ratio and excellent storage stability to organic transistor comprising an organic semiconductor layer, the organic semiconductor layer comprises at least one compound represented by the general formula (1).
    Type: Application
    Filed: September 12, 2008
    Publication date: January 20, 2011
    Applicant: YAMAMOTO CHEMICALS, INC.
    Inventors: Takahiro Fujiyama, Yoshiyuki Totani, Masakatsu Nakatsuka
  • Patent number: 7166240
    Abstract: An electroluminescent element in which at least one layer containing at least one of novel hydrocarbon compounds with an anthracene ring and a fluorene ring directly bound is held between a pair of electrodes. The compounds can advantageously be used in a luminescent element and provide an organic electroluminescent element having an excellent luminescent efficiency and a long luminescent life.
    Type: Grant
    Filed: September 1, 2004
    Date of Patent: January 23, 2007
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tsutomu Ishida, Takehiko Shimamura, Yoshiyuki Totani, Masakatsu Nakatsuka
  • Patent number: 6929870
    Abstract: An electroluminescent element in which at least one layer containing at least one of novel hydrocarbon compounds with an anthracene ring and a fluorene ring directly bound is held between a pair of electrodes. The compounds can advantageously be used in a luminescent element and provide an organic electroluminescent element having an excellent luminescent efficiency and a long luminescent life.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: August 16, 2005
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tsutomu Ishida, Takehiko Shimamura, Yoshiyuki Totani, Masakatsu Nakatsuka
  • Publication number: 20050074631
    Abstract: An electroluminescent element in which at least one layer containing at least one of novel hydrocarbon compounds with an anthracene ring and a fluorene ring directly bound is held between a pair of electrodes. The compounds can advantageously be used in a luminescent element and provide an organic electroluminescent element having an excellent luminescent efficiency and a long luminescent life.
    Type: Application
    Filed: September 1, 2004
    Publication date: April 7, 2005
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Tsutomu Ishida, Takehiko Shimamura, Yoshiyuki Totani, Masakatsu Nakatsuka