Inventor
Eiji Masunaga
Inventor
Iwakuni, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D01Fprimary
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons33%
B01DSeparation17%
C07DHeterocyclic compounds17%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1988Patents assigned to TEIJIN LTD (3)· patent assignee history
1978–1980Based in Iwakuni, JP· patent location history
1988Based in Yamaguchi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEIJIN LTD | 3 | 1978–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Iwakuni, JP | 2 | 1978–1980 |
| Yamaguchi, JP | 1 | 1988 |