Patents by Inventor Ryosuke Nagaoka

Ryosuke Nagaoka 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).

  • METHODS AND APPARATUS FOR PRODUCTION OF NATURAL L-MENTHOL
    Publication number: 20140290290
    Abstract: Embodiments are provided that provide for efficient production of highly pure natural I-menthol. In some embodiments, a method for preparing natural I-menthol involves providing crude mentha oil in a crystallizer and gradually reducing the temperature of the crystallizer in a step-wise manner, thereby producing highly pure crystals in less than two weeks. The methods disclosed herein are suitable for pharmaceutical GMP.
    Type: Application
    Filed: June 10, 2014
    Publication date: October 2, 2014
    Inventors: Ryosuke Nagaoka, Hideaki Izukura, Susumu Tokita, Yuri Shibata, Yoshiyuki Nagaoka
  • Methods and apparatus for production of natural L-menthol
    Patent number: 8785698
    Abstract: Embodiments are provided that provide for efficient production of highly pure natural I-menthol. In some embodiments, a method for preparing natural I-menthol involves providing crude mentha oil in a crystallizer and gradually reducing the temperature of the crystallizer in a step-wise manner, thereby producing highly pure crystals in less than two weeks. The methods disclosed herein are suitable for pharmaceutical GMP.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: July 22, 2014
    Assignee: Nagaoka & Co., Ltd.
    Inventors: Ryosuke Nagaoka, Hideaki Izukura, Susumu Tokita, Yuri Shibata, Yoshiyuki Nagaoka
  • METHODS AND APPARATUS FOR PRODUCTION OF NATURAL L-MENTHOL
    Publication number: 20110313205
    Abstract: Embodiments are provided that provide for efficient production of highly pure natural I-menthol. In some embodiments, a method for preparing natural I-menthol involves providing crude mentha oil in a crystallizer and gradually reducing the temperature of the crystallizer in a step-wise manner, thereby producing highly pure crystals in less than two weeks. The methods disclosed herein are suitable for pharmaceutical GMP.
    Type: Application
    Filed: February 17, 2010
    Publication date: December 22, 2011
    Applicant: NAGAOKA & CO. LTD.
    Inventors: Ryosuke Nagaoka, Hideaki Izukura, Susumu Tokita, Yuri Shibata, Yoshiyuki Nagaoka