Ohcera Co., Ltd.
10Patents
2Active
10Granted
32Portfolio score
Filing activity: Nov 6, 2001 → Apr 28, 2005 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7166552B2 | Method for producing aluminum magnesium titanate sintered product | Chemistry; Metallurgy | 22 | Expired |
| US7011788B2 | Method for producing aluminum titanate sintered object | Chemistry; Metallurgy | 13 | Expired |
| US7550025B2 | Honeycomb filter for clarifying exhaust gas and method for manufacture thereof | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7148168B2 | Method for producing aluminum titanate sintered compact | Chemistry; Metallurgy | 10 | Expired |
| USRE42352E1 | Method for producing aluminum magnesium titanate sintered product | General | 4 | Expired |
| US7575792B2 | Honeycomb filter for clarifying exhaust gas and method for manufacture thereof | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8557216B2 | Magnesium aluminum titanate crystal structure and method for producing same | Chemistry; Metallurgy | 3 | Active |
| US8685363B2 | Honeycomb carrier for exhaust gas clarification catalyst and method for production thereof | Chemistry; Metallurgy | 2 | Active |
| USRE42646E1 | Method for producing aluminum titanate sintered compact | General | 2 | Expired |
| USRE42582E1 | Method for producing aluminum titanate sintered object | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.