US Plant Patent PP12421
Kotaro
Apple tree ‘Kotaro’
PUBLIC DOMAIN
Patent expired March 18, 2019. This plant is in the public domain — anyone may propagate and sell it.
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
- PP12421
- Filed
- March 18, 1999
- Granted
- February 26, 2002
- Expires
- March 18, 2019
- Assignee
- NAT INST OF FRUIT TREE SCIENCE
- Inventor
- YOSHIDA YOSHIO; TSUCHIYA SHICHIRO; SOEJIMA JUNICHI; HANIUDA TADAYUKI; SANADA TETSURO; KASHIMURA YOSHIKI; MASUDA TETSUO; BESSHO HIDEO; KOMORI SADAO; ITO YUJI; ABE KAZUYUKI; KOTODA NOBUHIRO; KATO HIDENORI
Abstract
Disclosed is an apple tree having a strong vigor, rounded and serrate leaves, exhibiting excellent resistance to Alternaria blotch, bearing a medium size fruit maturing mid-season and having high productivity with little early fruit drop and preharvest fruit drop. The fruit has a rounded shape with good appearance, having solid, deep red colored skin and having relatively good storage quality, which is slightly inferior to the seed parent. The flesh of the fruit is yellowish white, juicy and firm, and further, has a moderate sweetness, weak sourness and an aroma, thereby providing a good sweet-sour balance, and an excellent eating quality.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct cultivar of Apple tree, as illustrated and described.
Read the full patent: US Plant Patent PP12421 in full — the complete specification, every figure, and the file history.