Inventor
Youichi Kugimiya
Inventor
Ichihara, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification23%
C08LCompositions of macromolecular compounds18%
C08JWorking-up14%
B29CShaping or joining of plastics9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
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. inserts5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
PatentTitleYear
6,783,844'Polypropylene resin foam-molded article'20046,511,755'Polypropylene film and multilayered polypropylene film'20036,410,662'Process for the preparation of olefin (co) polymers, olefin copolymers, and application thereof'20026,365,689'Propylene/ethylene random copolymer, molding material, and molded article'20026,348,271'Film having gas permeability'20024,508,786'Polyolefin resin composition'19854,487,871'Polyolefin resin composition'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2004Patents assigned to CHISSO CORP (7)· patent assignee history
1984–2002Based in Ichihara, JP· patent location history
2003–2004Based in Chiba, JP· patent location history
2004Patents assigned to CHISSO PETROCHEMICAL CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHISSO CORP | 7 | 1984–2004 |
| CHISSO PETROCHEMICAL CORP | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichihara, JP | 5 | 1984–2002 |
| Chiba, JP | 2 | 2003–2004 |