Assignee

ESSENTIAL RES INC

US·2 granted patents·398 citations·filing 1998–2002

Technology mixH10F2 Y02E2 Y02P1 Y10S1

Top patents by PatentIndex Score

2 records

0193US6660928B1Multi-junction photovoltaic cellESSENTIAL RES INC·Filed 2002·Granted Dec 9, 2003·244 cites·23 claims
0292US6482672B1Using a critical composition grading technique to deposit InGaAs epitaxial layers on InP substratesESSENTIAL RES INC·Filed 1998·Granted Nov 19, 2002·154 cites·10 claims

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →