Inventor
Yumito Uehara
Inventor
Yokkaichi, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds56%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%
C08JWorking-up4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
6,448,356'Ethylene--olefin copolymer'20026,444,763'Polymerization of olefins'20026,376,416'Olefin polymerization catalyst and process for producing olefin polymer'20026,048,817'Polymerization of olefins'20005,973,084'Method for polymerizing olefins using a novel catalyst'19995,928,982'Catalyst for polymerizing an olefin and method for polymerizing the olefin'19995,547,722'Ethylene polymer and fuel tank comprising the same'19965,428,110'Process for producing propylene copolymer'19954,978,722'Method for producing a propylene-.alpha.-olefin block copolymer'19904,808,667'Method for producing an .alpha.-olefin block copolymer'19894,534,953'Process for preparing solid titanium trichloride useful for the polymerization of an .alpha.-olefin'19854,492,787'Process for continuously producing propylene-ethylene block copolymer'19854,357,452'Process for polymerizing propylene'19824,258,161'Process for polymerizing propylene'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1996Patents assigned to MITSUBISHI CHEM IND (8)· patent assignee history
1981–1982Based in Kawasaki, JP· patent location history
1985–1990Based in Kurashiki, JP· patent location history
1996Based in Kanagawa, JP· patent location history
1999–2002Patents assigned to MITSUBISHI CHEM CORP (5)· patent assignee history
1999–2002Based in Yokkaichi, JP· patent location history
2002Patents assigned to JAPAN POLYCHEM CORP (1)· patent assignee history
2002Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI CHEM IND | 8 | 1981–1996 |
| MITSUBISHI CHEM CORP | 5 | 1999–2002 |
| JAPAN POLYCHEM CORP | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokkaichi, JP | 5 | 1999–2002 |
| Kurashiki, JP | 4 | 1985–1990 |
| Kawasaki, JP | 2 | 1981–1982 |
| Tokyo, JP | 1 | 2002 |
| Kanagawa, JP | 1 | 1996 |