Inventor
Yoichi Obata
Inventor
Ichihara, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Lprimary
C08LCompositions of macromolecular compounds27%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds23%
Y10TTechnical subjects covered by former us classification18%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%
C08JWorking-up14%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
PatentTitleYear
7,323,252'Biaxially oriented multilayer polypropylene film'20086,812,287'Propylene-based resin composition and heat-shrinkable film'20046,699,574'Polypropylene-based resin composition for stretched film, process for producing the same and stretched film'20046,639,018'Polypropylene resin composition and process for producing the same'20036,337,377'Process for producing olefin polymers, olefin-polymerizing catalyst and polyproylene for biaxially oriented film produced with said catalyst'20026,127,303'Process for producing olefin polymers, olefin-polymerizing catalyst and polypropylene for biaxially oriented film produced with said catalyst'20006,103,841'.alpha.-olefin polymers, .alpha.-olefin-polymerizing catalyst and process for producing .alpha.-olefin polymers'20006,001,293'Process for producing polypropylene laminated film'19995,773,129'Polypropylene laminated film'19985,635,557'Polypropylene composition and stretched film thereof'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2008Patents assigned to SUMITOMO CHEMICAL CO (10)· patent assignee history
1997–2002Based in Ichihara, JP· patent location history
2003–2008Based in Sodegaura, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 10 | 1997–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichihara, JP | 6 | 1997–2002 |
| Sodegaura, JP | 4 | 2003–2008 |