Patents by Inventor Toyokazu Akamatsu

Toyokazu Akamatsu 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).

  • Method for identification of S genotype in brassicaceae
    Publication number: 20040091888
    Abstract: The present invention relates to novel S-haplotype specific DNA fragments of plants belonging to Brassicaceae, and a method for identifying S-haplotypes of plants belonging to Brassicaceae.
    Type: Application
    Filed: March 20, 2003
    Publication date: May 13, 2004
    Inventors: Takeshi Nishio, Ryo Fujimoto, Toyokazu Akamatsu, Koji Sakamoto, Hideaki Hanzawa, Shunsuke Okamoto
  • Inbred broccoli line 194-6-2CMS
    Patent number: 6274793
    Abstract: A novel broccoli cultivar, designated 194-6-2CMS, is disclosed. The invention relates to the seeds of broccoli cultivar 194-6-2CMS, to the plants of broccoli 194-6-2CMS and to methods for producing a broccoli plant produced by crossing the cultivar 194-6-2CMS with itself or another broccoli variety. The invention further relates to hybrid broccoli seeds and plants produced by crossing the cultivar 194-6-2CMS with another broccoli cultivar.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: August 14, 2001
    Assignee: Sakata Seed Corporation
    Inventors: Shigetoshi Kobayashi, Junichi Sasayama, Toyokazu Akamatsu
  • Method for identifying the sex of spinach by DNA markers
    Patent number: 5910412
    Abstract: The invention relates to a method for identifying the sex of spinach wherein a DNA specifically present in a male plant of spinach is used as the marker as well as to a DNA used therefor.
    Type: Grant
    Filed: May 13, 1997
    Date of Patent: June 8, 1999
    Assignee: Sakata Seed Corporation
    Inventors: Toyokazu Akamatsu, Takao Suzuki
  • Male sterile plant species
    Patent number: 5650559
    Abstract: Male sterile plants derived from backcrossing plants having various hybridized and pure Ogura cytoplasms derived from a Japanese radish to mediate male sterility with plants having various hybridized and pure nuclei derived from the genus Brassica.
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: July 22, 1997
    Assignee: Sakata Seed Corporation
    Inventors: Toyokazu Akamatsu, Tsutomu Kagami, Hiromi Sato, Toshio Shiga