Patents by Inventor Hitoshi Ichihashi

Hitoshi Ichihashi 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).

  • Sustained-release preparations of quinolone antibiotics
    Patent number: 8187632
    Abstract: The present invention relates to an orally administrable preparation comprising a quinolone antibiotic which releases the active compound with a delay.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: May 29, 2012
    Assignee: Bayer Schering Pharma AG
    Inventors: Venkata-Rangarao Kanikanti, Roland Rupp, Wolfgang Weber, Peter Deuringer, Jan-Olav Henck, Heino Stab, Takaaki Nishioka, Yoshifumi Katakawa, Chika Taniguchi, Hitoshi Ichihashi
  • Method of preparing sustained-release preparations of quinolone antibiotics
    Patent number: 7780986
    Abstract: The present invention relates to an orally administrable preparation comprising a quinolone antibiotic which releases the active compound with a delay.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: August 24, 2010
    Assignee: Bayer Schering Pharma AG
    Inventors: Venkata-Rangarao Kanikanti, Roland Rupp, Wolfgang Weber, Peter Deuringer, Jan-Olav Henck, Heino Stab, Takaaki Nishioka, Yoshifumi Katakawa, Chika Taniguchi, Hitoshi Ichihashi
  • Sustained-release preparations of quinolone antibiotics and method for preparation thereof
    Patent number: 7709022
    Abstract: The present invention relates to an orally administrable preparation comprising a quinolone antibiotic which releases the active compound with a delay.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: May 4, 2010
    Assignee: Bayer Schering Pharma AG
    Inventors: Venkata-Rangarao Kanikanti, Roland Rupp, Wolfgang Weber, Peter Deuringer, Jan-Olav Henck, Heino Staβ, Takaaki Nishioka, Yoshifumi Katakawa, Chika Taniguchi, Hitoshi Ichihashi
  • Sustained-Release Preparations Of Quinolone Antibiotics
    Publication number: 20070237824
    Abstract: The present invention relates to an orally administrable preparation comprising a quinolone antibiotic which releases the active compound with a delay.
    Type: Application
    Filed: June 14, 2007
    Publication date: October 11, 2007
    Applicant: Bayer Healthcare Aktiengesellschaft
    Inventors: Venkata-Rangarao Kanikanti, Roland Rupp, Wolfgang Weber, Peter Deuringer, Jan-Olav Henck, Heino Stass, Takaaki Nishioka, Yoshifumi Katakawa, Chika Taniguchi, Hitoshi Ichihashi
  • METHOD OF PREPARING SUSTAINED-RELEASE PREPARATIONS OF QUINOLONE ANTIBIOTICS
    Publication number: 20070065509
    Abstract: The present invention relates to an orally administrable preparation comprising a quinolone antibiotic which releases the active compound with a delay.
    Type: Application
    Filed: November 16, 2006
    Publication date: March 22, 2007
    Inventors: Venkata-Rangarao Kanikanti, Roland Rupp, Wolfgang Weber, Peter Deuringer, Jan-Olav Henck, Heino Stass, Takaaki Nishioka, Yoshifumi Katakawa, Chika Taniguchi, Hitoshi Ichihashi
  • Sustained-release preparations of quinolone antibiotics and method for preparation thereof
    Publication number: 20040024018
    Abstract: The present invention relates to an orally administrable preparation comprising a quinolone antibiotic which releases the active compound with a delay.
    Type: Application
    Filed: May 30, 2003
    Publication date: February 5, 2004
    Inventors: Venkata-Rangarao Kanikanti, Roland Rupp, Wolfgang Weber, Peter Deuringer, Jan-Olav Henck, Heino Stass, Takaaki Nishioka, Yoshifumi Katakawa, Chika Taniguchi, Hitoshi Ichihashi
  • Sesquihydrate of naphthyridine derivative, and process for the preparation thereof
    Patent number: 4442101
    Abstract: Novel 1-ethyl-6-fluoro-1,4-dihyono-4-oxo -7-(1-piperazinyl)-1,8-naphthyridine-3-carboxylic acid.sesquihydrate (ATT-2266.sesquihydrate). The aforesaid compound can be prepared by heating 1-ethyl-6-fluoro-1,4-dihydro-4-oxo -7-(1-piperazinyl)-1,8-naphthyridine-3-carboxylic acid at a temperature above about 60.degree. C. in the presence of water in an amount sufficient to form the sesquihydrate. This sesquihydrate is much more stable than the anhydrate and the trihydrate and is superior to the anhydrate in the rate of dissolution and transference into the body through the intestines. Thus, it is especially useful as a pharmaceutical compound.
    Type: Grant
    Filed: February 4, 1982
    Date of Patent: April 10, 1984
    Assignees: Dainippon Pharmaceutical Co., Ltd., Laboratoire Roger Bellon
    Inventors: Hitoshi Ichihashi, Terukazu Tanaka, Yu Imasato