Patents by Inventor Yoshiki Matsunaga

Yoshiki Matsunaga 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).

  • UTTERANCE TEST METHOD FOR UTTERANCE DEVICE, UTTERANCE TEST SERVER, UTTERANCE TEST SYSTEM, AND PROGRAM
    Publication number: 20240111645
    Abstract: An utterance test method for an utterance device, an utterance test server, an utterance test system, and a program perform an utterance test on a test device (20). The utterance test system includes at least one utterance device (20) capable of uttering, a terminal device (30), and an utterance test server (10). The utterance test server (10) receives an utterance test start command from the terminal device (30), sets at least one utterance device (20) to be a test device (20) as a target of an utterance test, sets test content of the utterance test, and causes the test device (20) to utter the test content.
    Type: Application
    Filed: July 14, 2021
    Publication date: April 4, 2024
    Inventors: Hiroki URABE, Kentaro NAKAI, Satoru MATSUNAGA, Yoshiki OHASHI
  • Process for the production of cationic starch
    Patent number: 4632984
    Abstract: The present invention relates to a process for producing novel cationic starch comprising the step of reacting starch having cyanoethyl groups or starch having cyanoethyl groups and quaternary aminoalkyl groups with hydroxylamine or the salts thereof to amidoximate the reaction product.The resulting cationic starch of the invention exhibits significant advantages as compared with those of conventional cationic starch as a dry strengthening agent.
    Type: Grant
    Filed: July 24, 1985
    Date of Patent: December 30, 1986
    Assignee: Kyoritsu Yuki Co., Ltd.
    Inventors: Yoshiki Matsunaga, Toshiaki Sugiyama, Eikichi Maekawa
  • Adhesive composition rapidly hardenable at room temperature
    Patent number: 4107119
    Abstract: An adhesive composition comprises (a) a resinous composition produced by mixing an aromatic primary amine with an aqueous solution or emulsion containing a polymer or copolymer of acrylamide and (b) formaldehyde or a derivative thereof as main components.
    Type: Grant
    Filed: February 15, 1977
    Date of Patent: August 15, 1978
    Assignee: Nippon Kasei Chemical Co., Ltd.
    Inventors: Akinori Kameyama, Yoshiki Matsunaga, Hiroyasu Saito