Patents by Inventor Yoshimitsu Ueno

Yoshimitsu Ueno 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).

  • BIODEGRADABLE MEDICAL IMPLEMENT
    Publication number: 20240041497
    Abstract: To ensure that a biodegradable medical implement dissolves in vivo at an appropriate dissolution rate. The biodegradable medical implement of the present invention is formed of a magnesium material, and, at least in one transverse section, a layer of magnesium crystal grains in which a (0001) plane in a hexagonal crystal structure is oriented toward a surface side is continuous over an entire circumference.
    Type: Application
    Filed: November 29, 2021
    Publication date: February 8, 2024
    Applicants: NITTO SEIKO CO., LTD., KYOTO PREFECTURAL PUBLIC UNIVERSITY CORPORATION, NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA
    Inventors: Masakazu Ishihara, Yoshimitsu Ueno, Tomoaki Murata, Yukito Otsuki, Yusuke Kobayashi, Yoshinobu Oka, Wook-Cheol Kim, Tetsuo Aida, Sadami Tsutsumi
  • Pigment dispersing agent, pigment composition and pigment dispersion
    Patent number: 7147704
    Abstract: A pigment dispersing agent wherein a quinophthalone structure is bonded to a triazine structure through an arylene group or a heteroaromatic ring and a basic functional group is bonded to triazine ring through a connecting group which pigment dispersing agent improves an ink or a coating in fluidity and is effective for preparing a product having a low viscosity and low thixotropic properties and having excellent properties such as tinting strength, transparency and viscosity stability with the passage of time, and a pigment composition and a pigment dispersion containing the same.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: December 12, 2006
    Assignee: Tokyo Ink Mfg. Co., Ltd
    Inventor: Yoshimitsu Ueno
  • Pigment dispersing agent, pigment composition and pigment dispersion
    Publication number: 20060207478
    Abstract: A pigment dispersing agent wherein a quinophthalone structure is bonded to a triazine structure through an arylene group or a heteroaromatic ring and a basic functional group is bonded to triazine ring through a connecting group which pigment dispersing agent improves an ink or a coating in fluidity and is effective for preparing a product having a low viscosity and low thixotropic properties and having excellent properties such as tinting strength, transparency and viscosity stability with the passage of time, and a pigment composition and a pigment dispersion containing the same.
    Type: Application
    Filed: March 20, 2006
    Publication date: September 21, 2006
    Inventor: Yoshimitsu Ueno
  • Ink jet recording liquid
    Patent number: 5772746
    Abstract: The present invention relates to an ink jet recording liquid obtained by dispersing a pigment in an aqueous medium, said aqueous medium comprising glycerol and 1,3-propanediol. The ink jet recording liquid of the present invention is capable of sustaining prolonged stable discharge onto the recording surface without clogging the nozzle of an ink jet printer and exhibits excellent storage stability.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: June 30, 1998
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Seiji Sawada, Sunao Satake, Yasuharu Iida, Seiji Aida, Yoshimitsu Ueno