Inventor

UMEJIMA SHIN-ICHI

JP3 patents

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

NIPPON PETROCHEMICALS CO LTD

2 patents

US6132661AOct 17, 2000

Longitudinally stretched nonwoven fabric and method for producing the same

NIPPON PETROCHEMICALS CO LTD29 citations91

US6524521B1Feb 25, 2003

Method of and apparatus for manufacturing longitudinally aligned nonwoven fabric

NIPPON PETROCHEMICALS CO LTD36 citations89

POLYMER PROCESSING RES INST

1 patent

US6984350B2Jan 10, 2006

Method of and apparatus for manufacturing a web having filaments aligned in a transverse direction

POLYMER PROCESSING RES INST6 citations60