Inventor

YUASA HARUO

JP3 patents

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

MITSUI PETROCHEMICAL IND

2 patents

US5409766AApr 25, 1995

Nonwoven fabric in an electret state and process for its production

MITSUI PETROCHEMICAL IND41 citations89

US5376218ADec 27, 1994

Device for manufacturing a filter

MITSUI PETROCHEMICAL IND33 citations86

MITSUI CHEMICALS INC

1 patent

US6375603B1Apr 23, 2002

Bag for packing powder, method of producing the same and method of producing film having holes constituting the bag

MITSUI CHEMICALS INC13 citations71