Inventor
Kenji Ema
Inventor
Kanagawa, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Lprimary
C08LCompositions of macromolecular compounds20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
B29CShaping or joining of plastics10%
B29DProducing particular articles from plastics or from substances in a plastic state10%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts10%
B29LIndexing scheme associated with subclass b29c, relating to particular articles10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1989Patents assigned to MITSUI TOATSU CHEMICALS (3)· patent assignee history
1983–1985Based in Yokohama, JP· patent location history
1984–1989Based in Kanagawa, JP· patent location history
1985Patents assigned to WAKABAYASHI PATENT AGENCY (1)· patent assignee history
2000Patents assigned to UNIV NAGOYA (1)· patent assignee history
2000Based in Fujisawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI TOATSU CHEMICALS | 3 | 1983–1989 |
| UNIV NAGOYA | 1 | 2000 |
| WAKABAYASHI PATENT AGENCY | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 2 | 1984–1989 |
| Yokohama, JP | 2 | 1983–1985 |
| Fujisawa, JP | 1 | 2000 |