Inventor
Yoshikuni Okumura
Inventor
Oita, JP
Overview
Patents· 18 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 bonds27%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium20%
C07CAcyclic or carbocyclic compounds16%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
B01DSeparation6%
C07DHeterocyclic compounds4%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]2%
Y02PClimate change mitigation technologies in the production or processing of goods2%
PatentTitleYear
10,414,837Method for producing polar group-containing olefin polymer20199,957,285Metal complex, adsorbent, separating material, and 1, 3-butadiene separation method20189,856,190'1, 3-butadiene separating material, and separation method using said separating material'20189,499,644'Production method of polar group-containing olefin polymers'20169,475,032'Molded article for hydrocarbon adsorption'20169,303,101'Catalyst for synthesizing polyolefins'20169,284,390'Copolymer of allyl monomer containing polar group'20169,051,399'Method for producing polar group-containing olefin copolymers'20158,916,663'Production method of copolymer of allyl monomer containing polar group'20148,889,805'Carboxylate metal complex and catalyst for olefin polymerization'20148,791,307'Process for producing α, β-unsaturated ether'20147,842,764'Metallocene compounds'20107,728,181'Method for producing α, β-unsaturated ether'20107,452,949'Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins'20087,405,261'Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and process for preparing polyolefins'20087,109,278'Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins'20066,121,182'Polyolefin production catalyst and method of preparing polyolefins'20005,770,664'Catalyst component for producing polyolefin, catalyst for producing polyolefin comprising the catalyst component, and process for producing polyolefin in the presence of the catalyst'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2018Based in Oita, JP· patent location history
2006–2008Patents assigned to BASELL POLYOLEFINE GMBH (3)· patent assignee history
2006–2008Based in Kanagawa, JP· patent location history
2010–2019Patents assigned to SHOWA DENKO KK (12)· patent assignee history
2010Based in Kawasaki, JP· patent location history
2014–2019Patents assigned to UNIV TOKYO (7)· patent assignee history
2014–2015Patents assigned to OKUMURA YOSHIKUNI (4)· patent assignee history
2014Patents assigned to ITO SHINGO (2)· patent assignee history
2014Based in Minato-ku, JP· patent location history
2019Based in Olta, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHOWA DENKO KK | 12 | 2010–2019 |
| UNIV TOKYO | 7 | 2014–2019 |
| OKUMURA YOSHIKUNIself | 4 | 2014–2015 |
| BASELL POLYOLEFINE GMBH | 3 | 2006–2008 |
| ITO SHINGO | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oita, JP | 11 | 1998–2018 |
| Kanagawa, JP | 3 | 2006–2008 |
| Kawasaki, JP | 2 | 2010 |
| Olta, JP | 1 | 2019 |
| Minato-ku, JP | 1 | 2014 |