Nursery or breeding house
HOKUTO CORP
11 US plant patents, granted between 2007 and 2023.
On the name: these patents were filed under 2 spellings, counted together here — HOKUTO CORP (10), HOKUTO CO LTD (1).
Filed under the HOKUTO name. Related entities are listed separately on the HOKUTO search, because a company and a person are not the same filer even when the name matches.
Still under patent — 10 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Hokuto-18PP21184Bunashimeji mushroom plant named ‘Hokuto-18’UNDER PATENTJanuary 29, 2028
- Grifon 120PP21575Mushroom plant named ‘Grifon 120’UNDER PATENTOctober 8, 2028
- PLE-3PP23210Mushroom named ‘PLE-3’UNDER PATENTOctober 6, 2029
- Grifon-7PP25856Maitake mushroom named ‘Grifon-7’UNDER PATENTJune 15, 2033
- marmo shiro-2PP26049Bunashimeji mushroom plant named ‘marmo shiro-2’UNDER PATENTNovember 29, 2033
- HOKSY 8PP29740Shiitake mushroom plant named ‘HOKSY 8’UNDER PATENTNovember 19, 2036
- Marmo22goPP31279Bunashimeji mushroom named ‘Marmo22go’UNDER PATENTMarch 30, 2038
- HOKSY 10gokinPP32842Shiitake mushroom named ‘HOKSY 10gokin’UNDER PATENTFebruary 7, 2039
- Grifon-8goPP33127Maitake mushroom named ‘Grifon-8go’UNDER PATENTSeptember 23, 2039
- HKHM25PP35511Bunashimeji mushroom named ‘HKHM25’UNDER PATENTSeptember 7, 2042
Already in the public domain — 1 cultivar
Most recently freed first. Anyone may propagate and sell this plant — though the name it is sold under may still be a live trademark.
- Hokuto NT-100PP17984Mushroom named ‘Hokuto NT-100’PUBLIC DOMAINFebruary 13, 2025