Patents by Inventor Rie Murakami

Rie Murakami 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).

  • Container refilling system
    Publication number: 20050067046
    Abstract: A refilling system for reducing messiness during use includes a container and a refilling container. The container includes a hollow bottle, a pouring spout, and a cap which covers the pouring spout. The pouring spout has an interior surface. The refilling container includes a hollow body a refilling spout and contains a composition therein. The refilling spout has an exterior surface. In the refilling system, the interior surface and the exterior surface are coordinated such that the exterior surface may fit within the interior surface during use.
    Type: Application
    Filed: July 15, 2004
    Publication date: March 31, 2005
    Inventors: Shizuka Furukawa, Nobuo Mimura, Rie Murakami, Ryoichi Tomishima, Michael Lin
  • Zirconium compound and electrophotographic toner employing it
    Patent number: 6552211
    Abstract: The present invention relates to a novel zirconium compound which is useful as a charge control agent for an electrophotographic toner. Further, it relates to an electrophotographic toner which contains said zirconium compound as a charge control agent.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: April 22, 2003
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Masataka Sawano, Taito Muraoka, Katuya Yamaguti, Rie Murakami, Hiroyoshi Yamaga
  • Zirconium compound and electrophotographic toner employing it
    Patent number: 6410198
    Abstract: The present invention relates to a novel zirconium compound which is useful as a charge control agent for an electrophotographic toner. Further, it relates to an electrophotographic toner which contains said zirconium compound as a charge control agent.
    Type: Grant
    Filed: May 4, 1999
    Date of Patent: June 25, 2002
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Masataka Sawano, Taito Muraoka, Katuya Yamaguti, Rie Murakami, Hiroyoshi Yamaga
  • Zirconium compound and electrophotographic toner employing it
    Publication number: 20010010887
    Abstract: The present invention relates to a novel zirconium compound which is useful as a charge control agent for an electrophotographic toner. Further, it relates to an electrophotographic toner which contains said zirconium compound as a charge control agent.
    Type: Application
    Filed: December 20, 2000
    Publication date: August 2, 2001
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Masatake Sawano, Taito Muraoka, Katuya Yamaguti, Rie Murakami, Hiroyoshi Yamaga
  • Electrophotographic toner
    Patent number: 6110634
    Abstract: The present invention relates to an electrophotographic toner containing a binder resin having an acid value in the range of from 0.1 to 50 and a novel compound of zirconium complex or salt useful as a charge control agent for the electrophotographic toner.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: August 29, 2000
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Masataka Sawano, Taito Muraoka, Yutaka Saitoh, Hiroyoshi Yamaga, Rie Murakami
  • Electrostatic image developing toner
    Patent number: 5928826
    Abstract: An electrostatic image developing toner, characterized by containing at least a resin, a coloring agent and a compound of the formula (1), ##STR1## wherein R.sub.1 and R.sub.2 are respectively independently a C.sub.1 -C.sub.18 alkyl group or an aralkyl group which may have a substituent, and X is a halogen ion, an aromatic sulfonic acid ion which may have a substituent or an aromatic carboxylic acid ion which may have a substituent.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: July 27, 1999
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Yuuji Matsuura, Isao Niimura, Rie Murakami, Mikiko Kanasugi