Patents by Inventor Fumitoshi Hirayama

Fumitoshi Hirayama 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).

  • Acylated cyclodextrin-containing pharmaceutical composition
    Patent number: 5904929
    Abstract: A pharmaceutical composition for trans-mucosal or transdermal administration wherein a per-C.sub.2-18 acylated cyclodextrin is used as a drug reservoir or carrier. The composition can be used safely and exhibits excellent drug release behavior.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: May 18, 1999
    Assignee: Janssen Pharmaceutica, N.V.
    Inventors: Kaneto Uekama, Fumitoshi Hirayama, Akira Kondo, Masaaki Ohta, Yasuhiro Okamoto, Haruo Kunihiro
  • High strength and high toughness welding material
    Patent number: 4436554
    Abstract: A high strength and high toughness welding material containing: C: 0.05-0.15%, Si: 0.25-0.70%, Mn: 0.60-1.80%, Ni: 4.5-11.0%, Cr: 0.20-1.20%, Mo: 0.20-0.60%, Ti: 0.03-0.12%, Cr+Mo: from 0.40% to 0.030.times.(Ni%).sup.2 by weight and the balance essentially iron.
    Type: Grant
    Filed: October 29, 1982
    Date of Patent: March 13, 1984
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Takashi Omae, Kisaburoo Tanaka, Masahiro Aoki, Fumitoshi Hirayama, Susumu Izaki