Inventor
Hiroaki Katayama
Inventor
Ichihara, 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 bonds31%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium19%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
C08JWorking-up7%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals2%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%
PatentTitleYear
6,660,816'Process for preparing olefin polymers'20036,613,850'Method for feeding boron compounds, fine particles of boron compounds, catalyst components for the polymerization of olefins comprising them, and processes for the production of the particles'20036,492,294'Transition metal compound, olefin polymerization catalyst component, olefin polymerization catalyst and process for producing olefin polymer'20026,482,765'Modified particles, carrier prepared therefrom, olefin polymerization catalyst component prepared therefrom, olefin polymerization catalyst prepared therefrom, and process for preparing olefin polymer'20026,333,388'Aluminum compound-containing solid catalyst component, catalyst for olefin polymerization and method for producing olefin polymer'20016,329,478'Transition metal complex, process for producing the same, olefin polymerization catalyst containing the transition metal complex and process for producing olefin polymers'20016,284,699'Modified particles, catalyst for olefin polymerization containing the same, and method for producing olefin polymer'20016,242,622'Transition metal compound, olefin polymerization catalyst component, olefin polymerization catalyst and process for producing olefin polymer'20016,184,319'Olefin polymer, films or sheets made therefrom, and process for the production of olefin polymer'20016,100,213'Aluminum compound-containing solid catalyst component, catalyst for olefin polymerization and method for producing olefin polymer'20006,066,704'Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymers'20006,034,190'Olefin polymerization catalyst component'20005,840,646'Olefin polymerization catalyst component'19985,164,172'Process for producing aragonite crystal form calcium carbonate with acicular shape'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to MARUO CALCIUM (1)· patent assignee history
1992Based in Himeji, JP· patent location history
1998–2003Patents assigned to SUMITOMO CHEMICAL CO (11)· patent assignee history
1998–2001Based in Ichihara, JP· patent location history
2001Patents assigned to SUMITMO CHEMICAL COMPANY LTD (1)· patent assignee history
2001–2003Based in Sodegaura, JP· patent location history
2001–2002Based in Chiba, JP· patent location history
2001–2002Based in Narashino, JP· patent location history
2003Patents assigned to SUMITOMO CHEMICAL COMOANY LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 11 | 1998–2003 |
| MARUO CALCIUM | 1 | 1992 |
| SUMITMO CHEMICAL COMPANY LTD | 1 | 2001 |
| SUMITOMO CHEMICAL COMOANY LTD | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichihara, JP | 6 | 1998–2001 |
| Sodegaura, JP | 3 | 2001–2003 |
| Chiba, JP | 2 | 2001–2002 |
| Narashino, JP | 2 | 2001–2002 |
| Himeji, JP | 1 | 1992 |