Inventor
MIYAKAWA HISASHI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “MIYAKAWA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO ENGINEERING CORP
5 patentsUS5034132AJul 23, 1991
Method for extraction
TOYO ENGINEERING CORP23 citations87
US5237048AAug 17, 1993
Method for purifying polymer
TOYO ENGINEERING CORP17 citations72
US5133913AJul 28, 1992
Method for producing a foamed resin using a blowing and extracting agent
TOYO ENGINEERING CORP14 citations72
US6041272AMar 21, 2000
Desulfurization process for flue gases
TOYO ENGINEERING CORP11 citations71
US6428760B1Aug 6, 2002
Method for desulfurizing exhaust gas
TOYO ENGINEERING CORP0 citations36