Patents by Inventor Masaki YANAI

Masaki YANAI 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).

  • Patent number: 11937495
    Abstract: An organic light-emitting device containing both a compound represented by the following general formula (1) and a compound represented by the following general formula (2) has a high light emission efficiency. The rings a to c each are a benzene ring that can be optionally condensed, R1 and R2 each represent a substituted or unsubstituted aryl group, etc., four of R31 to R35 each are a substituted or unsubstituted carbazol-9-yl group, but all of these four are not the same, and the remaining one is a hydrogen atom, a cyano group, etc.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: March 19, 2024
    Assignees: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KWANSEI GAKUIN EDUCATIONAL FOUNDATION, KYULUX, INC.
    Inventors: Hajime Nakanotani, Takuji Hatakeyama, Yasuhiro Kondo, Yasuyuki Sasada, Motoki Yanai, Chin-Yiu Chan, Masaki Tanaka, Hiroki Noda, Chihaya Adachi, Yoshitake Suzuki, Naoto Notsuka
  • Publication number: 20230343629
    Abstract: The laminate of the invention has a semiconductor substrate, a support substrate, a release layer disposed so as to come into contact with the semiconductor substrate, and an adhesive layer disposed between the support substrate and the release layer, characterized in that the release layer is a film formed from a releasing agent composition containing a polyorganosiloxane component essentially containing polydimethylsiloxane; the polyorganosiloxane component has a viscosity of 5.50 × 103 Pa·s to 0.75 × 103 Pa·s, as measured at 25° C.; and the film has a thickness of 0.01 µm to 4.90 µm.
    Type: Application
    Filed: August 20, 2021
    Publication date: October 26, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Takahisa OKUNO, Yuki USUI, Hiroto OGATA, Shunsuke MORIYA, Masaki YANAI, Tetsuya SHINJO
  • Publication number: 20230298923
    Abstract: A laminate having a semiconductor substrate, a support substrate, and an adhesive layer and a release layer disposed between the semiconductor substrate and the support substrate, wherein the release layer is a film formed from a releasing agent composition containing an organic resin, a branched-chain polysilane, and a solvent.
    Type: Application
    Filed: July 15, 2021
    Publication date: September 21, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Takahisa OKUNO, Hiroto OGATA, Masaki YANAI, Tetsuya SHINJO
  • Publication number: 20230265325
    Abstract: A laminate having a semiconductor substrate, a UV-ray-transmissive support substrate, and an adhesive layer and a release layer disposed between the semiconductor substrate and the support substrate. The release layer is a film formed from a releasing agent composition containing a polymer of an ethylenic unsaturated monomer having a tert-butoxycarbonyl group, a photoacid generator, and a solvent.
    Type: Application
    Filed: June 10, 2021
    Publication date: August 24, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Masaki YANAI, Takahisa OKUNO, Hiroto OGATA, Shunsuke MORIYA
  • Publication number: 20230151306
    Abstract: The invention provides a semiconductor substrate cleaning method including a step of removing an adhesive layer provided on a semiconductor substrate by use of a remover composition, wherein the remover composition contains a solvent but no salt; and the solvent includes an organic solvent represented by formula (L) (in the formula, L represents a substituent to the benzene ring, and each of a plurality of Ls represents a C1 to C4 alkyl group; and k represents the number of Ls and is an integer of 0 to 5) in an amount of 80 mass % or more.
    Type: Application
    Filed: March 22, 2021
    Publication date: May 18, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Takahisa OKUNO, Masaki YANAI, Takuya FUKUDA, Hiroto OGATA, Shunsuke MORIYA, Hiroshi OGINO, Tetsuya SHINJO
  • Publication number: 20230151308
    Abstract: The present invention provides a semiconductor substrate cleaning method including a step of removing an adhesive layer provided on a semiconductor substrate by use of a remover composition, wherein the remover composition contains a solvent but no salt; and the solvent includes an organic solvent represented by formula (L) (wherein each of L1 and L2 represents a C2 to C4 alkyl group, and L3 represents O or S) in an amount of 80 mass % or more.
    Type: Application
    Filed: March 22, 2021
    Publication date: May 18, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Takahisa OKUNO, Masaki YANAI, Takuya FUKUDA, Hiroto OGATA, Shunsuke MORIYA, Hiroshi OGINO, Tetsuya SHINJO
  • Publication number: 20230151307
    Abstract: The present invention provides a semiconductor substrate cleaning method including a step of removing an adhesive layer provided on a semiconductor substrate by use of a remover composition which contains a solvent but no salt, the solvent containing a C8 to C10 linear-chain, saturated, aliphatic hydrocarbon compound. As the C8 to C10 linear-chain, saturated, aliphatic hydrocarbon compound, a linear-chain hydrocarbon compound is used.
    Type: Application
    Filed: March 22, 2021
    Publication date: May 18, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Hiroshi OGINO, Takahisa OKUNO, Masaki YANAI, Takuya FUKUDA, Hiroto OGATA, Shunsuke MORIYA, Tetsuya SHINJO, Kazuhiro SAWADA
  • Publication number: 20230131428
    Abstract: The present invention provides a semiconductor substrate cleaning method including a step of removing an adhesive layer provided on a semiconductor substrate by use of a remover composition, wherein the remover composition contains a solvent but no salt; and the solvent includes an organic solvent represented by formula (L) (in the formula, each of L1 and L2 represents a C1 to C6 alkyl group, and the sum of the number of carbon atoms of the alkyl group L1 and that of the alkyl group L2 is 6 or less) in an amount of 80 mass % or more.
    Type: Application
    Filed: March 22, 2021
    Publication date: April 27, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Takahisa OKUNO, Masaki YANAI, Takuya FUKUDA, Hiroto OGATA, Shunsuke MORIYA, Hiroshi OGINO, Tetsuya SHINJO
  • Publication number: 20230129238
    Abstract: The invention provides a cleaning agent composition for use in removing an adhesive residue, characterized in that the composition contains a quaternary ammonium salt, a metal corrosion inhibitor, and an organic solvent, and the metal corrosion inhibitor is formed of a C7 to C40 saturated aliphatic hydrocarbon compound monocarboxylic acid, a C7 to C40 saturated aliphatic hydrocarbon compound dicarboxylic acid or anhydride, a C7 to C40 unsaturated aliphatic hydrocarbon compound monocarboxylic acid, or a C7 to C40 unsaturated aliphatic hydrocarbon compound dicarboxylic acid or anhydride.
    Type: Application
    Filed: March 30, 2021
    Publication date: April 27, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Hiroshi OGINO, Takahisa OKUNO, Masaki YANAI, Shunsuke MORIYA, Hiroto OGATA, Takuya FUKUDA, Tetsuya SHINJO
  • Publication number: 20230125907
    Abstract: A semiconductor substrate cleaning method including removing an adhesive layer provided on a semiconductor substrate by use of a remover composition, wherein the remover composition contains a solvent but no salt; and the solvent includes an organic solvent represented by any of formulae (L0) to (L4).
    Type: Application
    Filed: March 22, 2021
    Publication date: April 27, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Takahisa OKUNO, Masaki YANAI, Takuya FUKUDA, Hiroto OGATA, Shunsuke MORIYA, Hiroshi OGINO, Tetsuya SHINJO
  • Publication number: 20230131533
    Abstract: The invention provides a semiconductor substrate cleaning method including a step of removing an adhesive layer provided on a semiconductor substrate by use of a remover composition, characterized in that the remover composition contains a solvent but no salt; the solvent includes one or more species selected from among an aliphatic hydrocarbon compound, an aromatic hydrocarbon compound, an ether compound, a thioether compound, an ester compound, and an amine compound, each having a molecular weight less than 160; and the remover composition exhibits a contact angle smaller than 31.5° with respect to the adhesive layer.
    Type: Application
    Filed: March 22, 2021
    Publication date: April 27, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Takahisa OKUNO, Masaki YANAI, Takuya FUKUDA, Hiroto OGATA, Shunsuke MORIYA, Hiroshi OGINO, Tetsuya SHINJO
  • Publication number: 20220411684
    Abstract: The invention provides an adhesive composition containing an adhesive component (S) and a release component (H) formed of a polyorganosiloxane having a complex viscosity of 3,400 (Pa·S) or higher.
    Type: Application
    Filed: December 15, 2020
    Publication date: December 29, 2022
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Hiroto OGATA, Tetsuya SHINJO, Hiroshi OGINO, Shunsuke MORIYA, Takahisa OKUNO, Takuya FUKUDA, Masaki YANAI