ANAN KASEI CO., LTD.
6Patents
3Active
6Granted
33Portfolio score
Filing activity: Jun 22, 1999 → Nov 25, 2010 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6171572A | Method for preparing a zirconium-cerium composite oxide | Performing Operations; Transporting | 47 | Expired |
| US7361322B2 | Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification | Emerging Cross-Sectional Technologies | 6 | Active |
| US8921255B2 | Complex oxide, method for producing same and exhaust gas purifying catalyst | Emerging Cross-Sectional Technologies | 1 | Active |
| US7119041B2 | Cerium based composite oxide, sintered product thereof and method for preparation thereof | Chemistry; Metallurgy | 0 | Expired |
| US6294097A | Method for treating waste water containing nitrate ions | Emerging Cross-Sectional Technologies | 0 | Expired |
| US8435919B2 | High specific surface area mixed oxide of cerium and of another rare earth, preparation method and use in catalysis | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.