Patents by Inventor Seiju Yamaguchi

Seiju Yamaguchi 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).

  • Mahonia plant named 'sPg-15-1'
    Publication number: 20170181347
    Abstract: A new and distinct Mahonia hybrida plant is provided that forms attractive dark green spiny foliage. Yellow flowers are formed in the spring extending into the summer with reblooming again in about August through frost. The growth habit is upright, and the plant has been found to be hardy in U.S.D.A. Hardiness Zone No. 7 during observations to date. The plant is well suited for providing attractive ornamentation in the landscape.
    Type: Application
    Filed: December 22, 2015
    Publication date: June 22, 2017
    Applicant: CP DELAWARE, INC.
    Inventor: Seiju Yamaguchi
  • Melastoma plant named 'Gifu Variegated'
    Publication number: 20030221232
    Abstract: A new plant variety of Melastoma characterized by its Pink and White variegated new foliage, and White variegated mature foliage.
    Type: Application
    Filed: May 22, 2002
    Publication date: November 27, 2003
    Inventor: Seiju Yamaguchi
  • Aucuba japonica named 'Natsu-No-Kumo'
    Publication number: 20030188357
    Abstract: A new plant variety of Aucuba japonica characterized by its white new growth in spring, gradually changing to cream and eventually green late in the growing season.
    Type: Application
    Filed: March 26, 2002
    Publication date: October 2, 2003
    Inventor: Seiju Yamaguchi
  • Pachycentria formosana plant named ‘Gifu Variegated’
    Patent number: PP15522
    Abstract: A new plant variety of Pachycentria formosana characterized by its pink and white variegated new foliage, and white variegated mature foliage.
    Type: Grant
    Filed: May 22, 2002
    Date of Patent: February 1, 2005
    Assignee: Hines Nurseries, Inc.
    Inventor: Seiju Yamaguchi
  • Corylopsis spicata plant named ‘Golden Spring’
    Patent number: PP13821
    Abstract: A new plant variety of Corylopsis spicata characterized by having distinctively yellow colored foliage during the growing season.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: May 20, 2003
    Assignee: Hines Nurseries, Inc.
    Inventor: Seiju Yamaguchi
  • Disanthus cercidifolius named ‘Seiju Yamaguchi’
    Patent number: PP13823
    Abstract: A new and distinct variety of Disanthus cercidifolius substantially as herein shown and described, characterized as to novelty by its irregular cream and cream-yellow leaf margins surrounding greyed-silvered bluish-green leaf centers, splashed occasionally with cream color.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: May 20, 2003
    Assignee: Hines Nurseries, Inc.
    Inventor: Seiju Yamaguchi
  • Aucuba japonica plant named ‘Natsu-No-Kumo’
    Patent number: PP14744
    Abstract: A new plant variety of Aucuba japonica characterized by its white new growth in spring, gradually changing to cream and eventually green late in the growing season.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: May 4, 2004
    Assignee: Hines Nurseries, Inc.
    Inventor: Seiju Yamaguchi
  • plant named ‘sPg-15-1’
    Patent number: PP29095
    Abstract: A new and distinct Mahonia hybrida plant is provided that forms attractive dark green spiny foliage. Yellow flowers are formed in the spring extending into the summer with reblooming again in about August through frost. The growth habit is upright, and the plant has been found to be hardy in U.S.D.A. Hardiness Zone No. 7 during observations to date. The plant is well suited for providing attractive ornamentation in the landscape.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: March 13, 2018
    Assignee: CP DELAWARE, INC.
    Inventor: Seiju Yamaguchi