Patents by Inventor Hiroshi Tsumori

Hiroshi Tsumori 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).

  • Process for mass propagation of plantlets
    Patent number: 4338745
    Abstract: A process for mass propagation of plantlets, which comprises cultivating in vitro a piece of a plant in a medium to obtain an aggregate with stems, leaves, buds, roots, flowers and/or bulbs and cultivating said aggregate in a liquid medium with shaking to obtain plantlets. This process may be applied to a wide variety of plants from Gymnospermae to Angiospermae.
    Type: Grant
    Filed: March 5, 1980
    Date of Patent: July 13, 1982
    Assignee: Kyowa Hakko Kogyo Kabushiki Kaisha
    Inventors: Masanaru Misawa, Shinsaku Takayama, Yoshiki Takashige, Hiroshi Tsumori