Patents by Inventor Tsutomu Matsuura

Tsutomu Matsuura 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).

  • Resin composition for agricultural film
    Patent number: 6555603
    Abstract: A resin composition for agricultural film, which composition contains 100 parts by mass of a synthetic resin (A) and the below-specified amount of a polymer stabilizer (B). Polymer stabilizer (B): an adduct obtained by adding a compound (b1) represented by the following formula (I) to a polymer (b2) having a molecular weight of at least 300: (wherein n represents an integer of 1-4; X represents —O— or —NH—; and R represents a hydrogen atom, a C1-C20 aliphatic acyl group, a C1-C20 aliphatic polyacyl group, a C1-C20 aromatic acyl group, or a C1-C20 aromatic polyacyl group). Amount of polymer stabilizer (B): such an amount that makes the amount of nitrogen atoms contained in the polymer stabilizer (B) 0.0005-1 part by mass.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: April 29, 2003
    Assignee: Asahi Denka Kogyo K.K.
    Inventors: Kazumi Kikkawa, Tsutomu Matsuura, Naoko Dai, Toshinori Yukino
  • Sperm sampler
    Patent number: D552249
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: October 2, 2007
    Assignee: Tenga Co., Ltd.
    Inventor: Tsutomu Matsuura