Inventor

AYUSAWA SUMIO

JP4 patents

⚠️ This page may combine multiple inventors who share the name “AYUSAWA SUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOKKEN KK

2 patents

US6367191B1Apr 9, 2002

Method of sawdust-based cultivation of shiitake (Cortinellus shiitake) and a cultivation water tank used for the method

HOKKEN KK11 citations66

US6334274B1Jan 1, 2002

Method of sawdust-based cultivation shitake (Cortinellus shitake)

HOKKEN KK1 citations45

HOKKEN CO LTD

1 patent

USPP12928P2Sep 10, 2002

Shiitake mushroom plant named ‘HS607’

HOKKEN CO LTD0 citations42

HOKKEN SANGYO CO LTD

1 patent

US7339PSep 25, 1990

Shiitake mushroom plant named `Hokken 601`

HOKKEN SANGYO CO LTD0 citations42