Inventor
Toshiaki Kuriyama
Inventor
Suita, JP
Overview
Patents· 7 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 bonds38%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds25%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients25%
C09DCoating compositions, e.g. paints, varnishes or lacquers13%
PatentTitleYear
7,160,957'Process for reducing monomer content in N-vinyl compound polymers'20076,864,353'Production process for ethylene oxide copolymer'20056,617,420'Process for reducing monomer content in N-vinyl compound polymers'20036,498,231'Vinylpyrrolidone polymer and its stabilization and preservation processes'20026,391,994'Production process for vinylpyrrolidone polymer'20026,346,600'Vinylpyrrolidone polymer and its stabilization and preservation processes'20025,747,602'Production process for making high molecular weight polydioxolane'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Patents assigned to NIPPON SHOKUBAI LTD (1)· patent assignee history
1998–2007Based in Suita, JP· patent location history
2002–2005Patents assigned to NIPPON CATALYTIC CHEM IND (5)· patent assignee history
2003–2007Patents assigned to DAI ICHI KOGYO SEIYAKU CO LTD (3)· patent assignee history
2003Based in Osaka, JP· patent location history
2005Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON CATALYTIC CHEM IND | 5 | 2002–2005 |
| DAI ICHI KOGYO SEIYAKU CO LTD | 3 | 2003–2007 |
| NIPPON SHOKUBAI LTD | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suita, JP | 5 | 1998–2007 |
| Yokohama, JP | 1 | 2005 |
| Osaka, JP | 1 | 2003 |