Patents by Inventor Seiji Odaka

Seiji Odaka 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).

  • Toner binder and toner
    Patent number: 11022905
    Abstract: The present invention relates to a toner binder containing: a polyester resin (A); and a vinyl resin (B), wherein the polyester resin (A) is a resin obtained by crosslinking a polyester (A1) by one or more carbon-carbon bonds, the vinyl resin (B) is a polymer containing a monomer (a) as an essential constituent monomer, the monomer (a) is a C21-C40 (meth)acrylate having an acyclic hydrocarbon group, and the weight proportion of the monomer (a) in monomers constituting the vinyl resin (B) is 15 to 99% by weight based on the weight of the vinyl resin (B).
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: June 1, 2021
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Masaru Honda, Seiji Odaka, Daiki Kuroda
  • TONER BINDER AND TONER
    Publication number: 20200233327
    Abstract: The present invention relates to a toner binder containing: a polyester resin (A); and a vinyl resin (B), wherein the polyester resin (A) is a resin obtained by crosslinking a polyester (A1) by one or more carbon-carbon bonds, the vinyl resin (B) is a polymer containing a monomer (a) as an essential constituent monomer, the monomer (a) is a C21-C40 (meth)acrylate having an acyclic hydrocarbon group, and the weight proportion of the monomer (a) in monomers constituting the vinyl resin (B) is 15 to 99% by weight based on the weight of the vinyl resin (B).
    Type: Application
    Filed: September 10, 2018
    Publication date: July 23, 2020
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Masaru HONDA, Seiji ODAKA, Daiki KURODA
  • Clock
    Patent number: D315683
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: March 26, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D316045
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: April 9, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D316373
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: April 23, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D316819
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: May 14, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D316822
    Type: Grant
    Filed: March 4, 1988
    Date of Patent: May 14, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D319395
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: August 27, 1991
    Inventor: Seiji Odaka
  • Clock
    Patent number: D319398
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: August 27, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D322225
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: December 10, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D322408
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: December 17, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D322575
    Type: Grant
    Filed: May 5, 1989
    Date of Patent: December 24, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D322576
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: December 24, 1991
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D330335
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: October 20, 1992
    Assignee: Seikosha Co., Ltd.
    Inventors: Kayoko Kato, Seiji Odaka
  • Clock
    Patent number: D335632
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: May 18, 1993
    Assignee: Seikosha Co., Ltd.
    Inventors: Tsuyoshi Oyanagi, Seiji Odaka
  • Clock
    Patent number: D346968
    Type: Grant
    Filed: January 30, 1992
    Date of Patent: May 17, 1994
    Assignee: Seikosha Co., Ltd.
    Inventors: Seiji Odaka, Katsumi Shimamura
  • Clock
    Patent number: D346969
    Type: Grant
    Filed: January 9, 1992
    Date of Patent: May 17, 1994
    Assignee: Seikosha Co., Ltd.
    Inventors: Seiji Odaka, Tsuyoshi Oyanagi
  • Clock with card holder
    Patent number: D360584
    Type: Grant
    Filed: March 28, 1994
    Date of Patent: July 25, 1995
    Assignee: Seikosha Co., Ltd.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D378989
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: April 29, 1997
    Assignee: Seiko Clock Inc.
    Inventor: Seiji Odaka
  • Clock
    Patent number: D382490
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: August 19, 1997
    Assignee: Seiko Clock Inc.
    Inventor: Seiji Odaka