US Plant Patent PP7339
Hokken 601
Shiitake mushroom plant named `Hokken 601`
PUBLIC DOMAIN
Patent expired July 18, 2008. 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
- PP7339
- Filed
- July 18, 1988
- Granted
- September 25, 1990
- Expires
- July 18, 2008
- Assignee
- HOKKEN SANGYO CO LTD
- Inventor
- INOUE SADAYUKI; AYUSAWA SUMIO
Abstract
The present invention relates to a new and distinct horticultural variety of shiitake mushroom, Lentinus edodes (Berk.) Sing. This new variety, named "Hokken 601", was discovered by crossbreeding. It is adaptable to short term cultivation in sawdust beds and is characterized by rapid growth in these beds. "Hokken 601" offers superior yields and firmer flesh than other varieties of shiitake.
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 variety of shiitake mushroom substantially as shown and described.
Read the full patent: US Plant Patent PP7339 in full — the complete specification, every figure, and the file history.