US Plant Patent PP19421
Kyuikukan 3
Ipomoea plant named ‘Kyuikukan 3’
UNDER PATENT
Still under patent. Protection ends May 7, 2027.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP19421
- Filed
- May 7, 2007
- Granted
- November 4, 2008
- Expires
- May 7, 2027
- Assignee
- SUNTORY FLOWERS LTD
- Inventor
- TAKAHATA YASUHIRO; NAKAYAMA HIROKI; NAKAZAWA YOSHINORI; YOSHINAGA MASARU; TANAKA MASARU; KUMAGAI TORU; KAI YUMI; SAKAI TETSUFUMI; IWAKI KAZUNARI; KATAYAMA KENJI; MURAKAMI YASUYUKI
Abstract
A new and distinct cultivar of Ipomoea plant named ‘Kyuikukan 3’, characterized by its compact and outwardly trailing growth habit; and bright green-colored foliage.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Ipomoea plant named ‘Kyuikukan 3’ as illustrated and described.
Read the full patent: US Plant Patent PP19421 in full — the complete specification, every figure, and the file history.