Patents by Inventor Yasushi Nawa

Yasushi Nawa 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).

  • PLANT CULTIVATION MATERIAL AND PLANT CULTIVATION METHOD USING THE MATERIAL
    Publication number: 20170099788
    Abstract: Plant cultivation materials, which have the liquid retentivity and the liquid transitivity, which provide the best environment for plants respiration, which comprises polyesters, natural pulps and/or synthetic pulps such as polyolefin pulps, from which plants can absorb the amount of the elements necessary for the plant growth as much as plants want whenever plants want, and which provide the cultivation environment to accelerate the plant growth, and the plant cultivation methods by using the materials can be provided.
    Type: Application
    Filed: December 21, 2016
    Publication date: April 13, 2017
    Applicants: Mitsui Chemicals, Inc., PHYTOCULTURE CONTROL CO., LTD.
    Inventors: Hirozumi MATSUNO, Yasushi NAWA, Kunisuke TANAKA, Daisuke SUZUMURA, Ryo HASEGAWA
  • Plant cultivation material and plant cultivation method using the material
    Patent number: 9615519
    Abstract: Plant cultivation materials, which have the liquid retentivity and the liquid transitivity, which provide the best environment for plants respiration, which comprises polyesters, natural pulps and/or synthetic pulps such as polyolefin pulps, from which plants can absorb the amount of the elements necessary for the plant growth as much as plants want whenever plants want, and which provide the cultivation environment to accelerate the plant growth, and the plant cultivation methods by using the materials can be provided.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: April 11, 2017
    Assignees: MITSUI CHEMICALS, INC., PHYTOCULTURE CONTROL CO., LTD.
    Inventors: Hirozumi Matsuno, Yasushi Nawa, Kunisuke Tanaka, Daisuke Suzumura, Ryo Hasegawa
  • PLANT CULTIVATION MATERIAL AND PLANT CULTIVATION METHOD USING THE MATERIAL
    Publication number: 20150080492
    Abstract: Plant cultivation materials, which have the liquid retentivity and the liquid transitivity, which provide the best environment for plants respiration, which comprises polyesters, natural pulps and/or synthetic pulps such as polyolefin pulps, from which plants can absorb the amount of the elements necessary for the plant growth as much as plants want whenever plants want, and which provide the cultivation environment to accelerate the plant growth, and the plant cultivation methods by using the materials can be provided.
    Type: Application
    Filed: April 5, 2013
    Publication date: March 19, 2015
    Applicants: MITSUI CHEMEICALS, INC., PHYTOCULTURE CONTROL CO.,LTD.
    Inventors: Hirozumi Matsuno, Yasushi Nawa, Kunisuke Tanaka, Daisuke Suzumura, Ryo Hasegawa