Epoch Microelectronics, Inc.
7Patents
4Active
7Granted
34Portfolio score
Filing activity: Sep 25, 2002 → Nov 23, 2010 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7015735B2 | Semiconductor integrated circuit having built-in PLL circuit | Electricity | 70 | Expired |
| US6906596B2 | Oscillation circuit and a communication semiconductor integrated circuit | Electricity | 43 | Expired |
| US7859344B2 | PLL circuit with improved phase difference detection | Electricity | 15 | Active |
| US7336138B2 | Embedded structure circuit for VCO and regulator | Electricity | 10 | Active |
| US8754713B2 | PLL circuit with improved phase difference detection | Electricity | 3 | Active |
| US7689191B2 | Semiconductor integrated circuit having built-in PLL circuit | Electricity | 2 | Active |
| US7212047B2 | Semiconductor integrated circuit having built-in PLL circuit | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.