Patents by Inventor Aiko Yamazaki

Aiko Yamazaki 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).

  • NIPECOTIC ACID DERIVATIVE AND USE THEREOF FOR MEDICAL PURPOSES
    Publication number: 20150065717
    Abstract: A compound has an sEH-inhibiting activity and provides a pharmaceutical having a therapeutic effect and a prophylactic effect on chronic renal disease and pulmonary hypertension based on the sEH-inhibiting action. The nipecotic acid derivatives are represented by the chemical formula below and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: March 29, 2013
    Publication date: March 5, 2015
    Inventors: Yutaka Nishimura, Yuko Kato, Shinnosuke Hayashi, Aiko Yamazaki, Masashi Yamamoto, Yoshiji Asaoka, Masateru Yamada, Naohiro Yamada
  • Electrophotographic printing toner, electrophotographic printing method and liquid developer for electrophotographic printing
    Patent number: 7919221
    Abstract: An electrophotographic printing toner including a colorant and a resin, wherein the colorant includes a dye having at least one reactive group selected from the group consisting of SO2CnH2nOSO3H, NHCOCnH2nOSO3H, NHSO2CnH2nOSO3H, COCnH2nOSO3H and SO2CHCH2, wherein n represents an integer of from 1 to 4.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: April 5, 2011
    Assignee: Ricoh Company, Ltd.
    Inventors: Tsuyoshi Asami, Aiko Yamazaki
  • Recording material, toner, liquid developer and image forming method using the same
    Patent number: 7670742
    Abstract: It is an object of the present invention to provide a recording material which contains at least a colorant and a resin wherein the colorant contains silver, and a toner which contains at least a colorant and a resin wherein the colorant is an alloy containing silver, zinc and aluminum.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: March 2, 2010
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazuo Tsubuko, Tsuyoshi Asami, Aiko Yamazaki
  • ELECTROPHOTOGRAPHIC PRINTING TONER, ELECTROPHOTOGRAPHIC PRINTING METHOD AND LIQUID DEVELOPER FOR ELECTROPHOTOGRAPHIC PRINTING
    Publication number: 20080199791
    Abstract: An electrophotographic printing toner including a colorant and a resin, wherein the colorant includes a dye having at least one reactive group selected from the group consisting of SO2CnH2nOSO3H, NHCOCnH2nOSO3H, NHSO2CnH2nOSO3H, COCnH2nOSO3H and SO2CHCH2, wherein n represents an integer of from 1 to 4.
    Type: Application
    Filed: May 31, 2007
    Publication date: August 21, 2008
    Inventors: Tsuyoshi ASAMI, Aiko Yamazaki
  • Recording material, toner, liquid developer and image forming method using the same
    Publication number: 20060222985
    Abstract: It is an object of the present invention to provide a recording material which contains at least a colorant and a resin wherein the colorant contains silver, and a toner which contains at least a colorant and a resin wherein the colorant is an alloy containing silver, zinc and aluminum.
    Type: Application
    Filed: March 14, 2006
    Publication date: October 5, 2006
    Inventors: Kazuo Tsubuko, Tsuyoshi Asami, Aiko Yamazaki