Inventor
Osamu Ihata
Inventor
Chiba, JP
Overview
Patents· 6 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%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds44%
PatentTitleYear
8,487,071'Polyether polymer and production process thereof'20138,431,663'Polymer and method for producing same'20138,389,656'Copolymer and method for producing same'20138,188,202'Diene polymer and production process thereof'20127,816,474'Copolymer containing functional group of sulfonic acid or its salt, and process for producing said copolymer'20107,799,886'Diene polymer and production process thereof'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2013Patents assigned to SUMITOMO CHEMICAL CO (5)· patent assignee history
2010–2013Patents assigned to TOKYO INST TECH (4)· patent assignee history
2010–2013Based in Chiba, JP· patent location history
2010Based in Urayasu, JP· patent location history
2012–2013Patents assigned to IHATA OSAMU (4)· patent assignee history
2012–2013Patents assigned to OSAKADA KOHTARO (3)· patent assignee history
2012–2013Patents assigned to TAKEUCHI DAISUKE (3)· patent assignee history
2013Based in Ichihara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 5 | 2010–2013 |
| IHATA OSAMUself | 4 | 2012–2013 |
| TOKYO INST TECH | 4 | 2010–2013 |
| OSAKADA KOHTARO | 3 | 2012–2013 |
| TAKEUCHI DAISUKE | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 3 | 2010–2013 |
| Ichihara, JP | 2 | 2013 |
| Urayasu, JP | 1 | 2010 |