Patents by Inventor Tsukasa Otsuki

Tsukasa Otsuki 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).

  • Michael addition type urethane urea resin, production process therefor, adhesive, production process therefor, coating agent for forming ink receiving layer and recording material
    Publication number: 20030225239
    Abstract: This invention provides a Michael addition type urethane urea made from starting materials including a polyol (a), a polyisocyanate (b), a polyamine (c) and an unsaturated compound (d), and comprising a bonded portion represented by the following formula (1-1) or (1-2): 1
    Type: Application
    Filed: April 10, 2003
    Publication date: December 4, 2003
    Applicant: TOYO INK MANUFACTURING CO., LTD.
    Inventors: Naotoshi Nakamura, Kazunori Shigemori, Tsukasa Otsuki, Yukifumi Mashimo, Miki Kawashima, Akira Ikeda, Toshiaki Sato, Hiroshi Saito
  • Curable adhesive composition and sheet thereof
    Patent number: 5409764
    Abstract: A curable adhesive composition comprising an unsaturated polyester oligomer (A) of any of the following formulae (I) to (IV), obtained by reacting a compound (a) having a hydroxyl group and/or an amino group, a cyclic acid anhydride (b) and an epoxide (c) having an ethylenically unsaturated group, and an adhesive polymer (B), ##STR1## wherein: R.sub.1 is a divalent organic moiety having 1 to 40 carbon atoms,R.sub.2 is a divalent organic moiety having 1 to 10 carbon atoms,R.sub.3 is hydrogen or methyl,R.sub.4 is a monovalent organic moiety having 1 to 40 carbon atoms,R.sub.5 is a monovalent organic moiety having 1 to 40 carbon atoms,R.sub.6 is hydrogen or a monovalent organic moiety having 1 to 10 carbon atoms, andn is an integer of 2 or greater.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: April 25, 1995
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Tsukasa Otsuki, Masato Yanagi, Toshikazu Onikubo, Kouichi Iibuchi