Patents by Inventor Yoshiharu NIIZEKI

Yoshiharu NIIZEKI 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).

  • Ink jet recording method
    Patent number: 11142661
    Abstract: The present invention relates to an ink-jet printing method using an apparatus including a printing means for ejecting a black ink to a printing substrate to print characters or images on the printing substrate, and a drying means disposed on a downstream side of a transportation direction of the printing substrate, in which the printing substrate is a label printing substrate; the black ink is a water-based composite black ink; the water-based composite black ink contains a composite black pigment containing carbon black, and a content of the carbon black in the composite black pigment is not more than 25% by mass; and the drying means is an infrared heater for heating the water-based composite black ink ejected onto the printing substrate to a temperature of not lower than 95° C. and not higher than 125° C.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: October 12, 2021
    Assignee: KAO CORPORATION
    Inventors: Tomoaki Il, Isao Tsuru, Norihiro Yoshida, Yoshiharu Niizeki, Jun Tairadate, Kimiya Yamada, Hideki Sakai
  • INK JET RECORDING METHOD
    Publication number: 20200123401
    Abstract: The present invention relates to an ink-jet printing method using an apparatus including a printing means for ejecting a black ink to a printing substrate to print characters or images on the printing substrate, and a drying means disposed on a downstream side of a transportation direction of the printing substrate, in which the printing substrate is a label printing substrate; the black ink is a water-based composite black ink; the water-based composite black ink contains a composite black pigment containing carbon black, and a content of the carbon black in the composite black pigment is not more than 25% by mass; and the drying means is an infrared heater for heating the water-based composite black ink ejected onto the printing substrate to a temperature of not lower than 95° C. and not higher than 125° C.
    Type: Application
    Filed: June 15, 2018
    Publication date: April 23, 2020
    Applicant: KAO CORPORATION
    Inventors: Tomoaki II, Isao TSURU, Norihiro YOSHIDA, Yoshiharu NIIZEKI, Jun TAIRADATE, Kimiya YAMADA, Hideki SAKAI