US Plant Patent PP21102
Kyuikukan 5
Ipomoea plant named ‘Kyuikukan 5’
UNDER PATENT
Still under patent. Protection ends March 23, 2029.
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
- PP21102
- Filed
- March 23, 2009
- Granted
- June 29, 2010
- Expires
- March 23, 2029
- Assignee
- SUNTORY FLOWERS LTD
- Inventor
- TAKAHATA YASUHIRO; YOSHINAGA MASARU; NAKAYAMA HIROKI; TANAKA MASARU; NAKAZAWA YOSHINORI; KUMAGAI TORU; KAI YUMI; KATAYAMA KENJI; SAKAI TETSUFUMI; IWAKI KAZUNARI; MURAKAMI YASUYUKI
Abstract
A new and distinct cultivar of Ipomoea plant named ‘Kyuikukan 5’, characterized by its compact and trailing growth habit and cordate-shaped leaves that are light green when developing and becoming dark purple with further development.
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 5’ as illustrated and described.
Read the full patent: US Plant Patent PP21102 in full — the complete specification, every figure, and the file history.