Patents by Inventor Kenji Ishizeki

Kenji Ishizeki 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: 5576109
    Abstract: A surface treating agent containing a silicone compound of the formula (A):(R.sup.1).sub.a (R.sup.2).sub.b (Z.sup.1).sub.3-a-b SiO--[Si(R.sup.3).sub.c (R.sup.4).sub.d (Z.sup.2).sub.2-c-d O].sub.n --Si(R.sup.5).sub.e (R.sup.6).sub.f (Z.sup.3).sub.3-e-f (A)wherein each of R.sup.1 to R.sup.6 which are independent of one another, is a hydrogen atom or an organic group, provided that at least one of R.sup.1 to R.sup.6 is an organic group;each of Z.sup.1 to Z.sup.3 which are independent of one another, is an isocyanate group or a hydrolyzable group;each of a to f which are independent of one another, is an integer of 0, 1 or 2, provided l.ltoreq.a+b.ltoreq.3, 0.ltoreq.c+d.ltoreq.2, l.ltoreq.e+f.ltoreq.3 and 2.ltoreq.a+b+c+d+e+f.ltoreq.7; andn is an integer of 0 or at least 1.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: November 19, 1996
    Assignee: Asahi Glass Company Ltd.
    Inventors: Takashige Yoneda, Takeshi Morimoto, Fumiaki Gunji, Kenji Ishizeki, Yukiko Ono