US Plant Patent PP19165
Kyuikukan 4
Ipomoea plant named ‘Kyuikukan 4’
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
- PP19165
- Filed
- May 7, 2007
- Granted
- September 2, 2008
- Expires
- May 7, 2027
- Assignee
- SUNTORY FLOWERS LTD
- Inventor
- TAKAHATA YASUHIRO; YOSHINAGA MASARU; NAKAYAMA HIROKI; TANAKA MASARU; NAKAZAWA YOSHINORI; KUMAGAI TORU; KAI YUMI; KATAYAMA KENJI; SAKAI TETSUFUMI; MURAKAMI YASUYUKI; IWAKI KAZUNARI
Abstract
A new and distinct cultivar of Ipomoea plant named ‘Kyuikukan 4’, characterized by its compact and outwardly trailing growth habit and dark 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 4’ as illustrated and described.
Read the full patent: US Plant Patent PP19165 in full — the complete specification, every figure, and the file history.