Inventor
Kenzo Ohkita
Inventor
Tokyo, 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 bonds28%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds22%
C08JWorking-up11%
C08LCompositions of macromolecular compounds11%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
G02BOptical elements, systems or apparatus6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
7,482,412'Process for manufacturing cycloolefin addition polymer'20097,056,999'Cycloolefin copolymer formed by ring-opening polymerization, process for producing the same, and optical material'20067,015,293'Cycloolefin addition copolymer and optical transparent material'20066,992,154'Cyclic olefin addition copolymer and process for producing same, crosslinking composition, crosslinked product and process for producing same, and optically transparent material and application thereof'20066,911,507'Processes for producing cycloolefin addition polymer'20056,844,403'CYCLIC OLEFIN ADDITION COPOLYMER AND PROCESS FOR PRODUCING SAME, CROSSLINKING COMPOSITION, CROSSLINKED PRODUCT AND PROCESS FOR PRODUCING SAME, AND OPTICALLY TRANSPARENT MATERIAL AND APPLICATION THEREOF'20056,639,021'Composition of cyclic olefin addition copolymer and cross-linked material'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2009Patents assigned to JSR CORP (7)· patent assignee history
2003Based in Yokkaichi, JP· patent location history
2005–2009Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JSR CORP | 7 | 2003–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2005–2009 |
| Yokkaichi, JP | 1 | 2003 |