Patents by Inventor Masamichi Nishihara

Masamichi Nishihara 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).

  • Polymer composition
    Patent number: 11866551
    Abstract: The present invention provides a composition containing an electron-donating polymer (D) and an electron-withdrawing polymer (A), wherein the electron-donating polymer (D) has a constitutional unit represented by the following formula (1a), Y1a in the following formula (1a) is a divalent group represented by the following formula (3a), and the electron-withdrawing polymer (A) has a constitutional unit represented by the following formula (4a): wherein the symbols in the formulas are as described in the DESCRIPTION.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: January 9, 2024
    Assignees: NISSAN CHEMICAL CORPORATION, KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Masamichi Nishihara, Shiyan Feng, Byungchan Hwang, Liana Christiani, Kazunari Sasaki, Shoichi Kondo, Taichi Nakazawa, Takamasa Kikuchi
  • Polymer composition
    Patent number: 11098161
    Abstract: A composition containing electron-donating polymer (D) having a structure represented by the following formula (1), and electron-withdrawing polymer (A) having a structure represented by the following formula (2): wherein definition of the symbols are as described in the DESCRIPTION is provided.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: August 24, 2021
    Assignees: NISSAN CHEMICAL CORPORATION, KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Masamichi Nishihara, Shiyan Feng, Liana Christiani, Kazunari Sasaki, Shoichi Kondo, Takahiro Kaseyama, Taichi Nakazawa, Takamasa Kikuchi
  • POLYMER COMPOSITION
    Publication number: 20210047464
    Abstract: The present invention provides a composition containing an electron-donating polymer (D) and an electron-withdrawing polymer (A), wherein the electron-donating polymer (D) has a constitutional unit represented by the following formula (1a), Y1a in the following formula (1a) is a divalent group represented by the following formula (3a), and the electron-withdrawing polymer (A) has a constitutional unit represented by the following formula (4a): wherein the symbols in the formulas are as described in the DESCRIPTION.
    Type: Application
    Filed: February 8, 2019
    Publication date: February 18, 2021
    Applicants: NISSAN CHEMICAL CORPORATION, KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Masamichi NISHIHARA, Shiyan FENG, Byungchan HWANG, Liana CHRISTIANI, Kazunari SASAKI, Shoichi KONDO, Taichi NAKAZAWA, Takamasa KIKUCHI
  • POLYMER COMPOSITION
    Publication number: 20200040137
    Abstract: provided is a composition containing electron-donating polymer (D) having a structure represented by the following formula (1), and electron-withdrawing polymer (A) having a structure represented by the following formula (2): wherein definition of the symbols are as described in the DESCRIPTION.
    Type: Application
    Filed: October 3, 2017
    Publication date: February 6, 2020
    Applicants: NISSAN CHEMICAL CORPORATION, KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Masamichi NISHIHARA, Shiyan FENG, Liana CHRISTIANI, Kazunari SASAKI, Shoichi KONDO, Takahiro KASEYAMA, Taichi NAKAZAWA, Takamasa KIKUCHI
  • Pyrazole compounds
    Patent number: 7294625
    Abstract: The present invention relates to pyrazole compounds represented by the formula (I): wherein R1 represents phenyl which may be substituted, R2 represents H, halogen, alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl or substituted amino, Q represents CH or N, R3 represents H, alkyl or amino, R4 represents the formula (II) to (V): wherein R7 represents H or alkyl, R8 represents H, alkyl or substituted amino, R9 represents H or alkyl, R12 represents H, alkyl, halogeno alkyl or substituted amino, or pharmaceutically acceptable salts thereof, and a medical composition containing the same as effective ingredient.
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: November 13, 2007
    Assignee: Ube Industries, Ltd.
    Inventors: Masahiko Hagihara, Nobuhiko Shibakawa, Masamichi Nishihara, Toshiyuki Shirai, Motohisa Shimizu, Tohru Hasegawa, Yasunori Tokunaga, Naoto Suzuki, Yukinori Wada
  • Pyrazole compounds
    Publication number: 20060063934
    Abstract: The present invention relates to pyrazole compounds represented by the formula (I): wherein R1 represents phenyl which may be substituted, R2 represents H, halogen, alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl or substituted amino, Q represents CH or N, R3 represents H, alkyl or amino, R4 represents the formula (II) to (V): wherein R7 represents H or alkyl, R8 represents H, alkyl or substituted amino, R9 represents H or alkyl, R12 represents H, alkyl, halogeno alkyl or substituted amino, or pharmaceutically acceptable salts thereof, and a medical composition containing the same as effective ingredient.
    Type: Application
    Filed: September 25, 2003
    Publication date: March 23, 2006
    Inventors: Masahiko Hagihara, Nobuhiko Shibakawa, Masamichi Nishihara, Toshiyuki Shirai, Motohisa Shimizu, Tohru Hasegawa, Yasunori Tokunaga, Naoto Suzuki, Yukinori Wada