Inventor
Hisako Sonobe
Inventor
Fujisawa, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation25%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons25%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
4,284,594'Method of manufacturing hollow fiber'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to NIPPON ZEON CO (1)· patent assignee history
1981Based in Fujisawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON ZEON CO | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fujisawa, JP | 1 | 1981 |