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Databases
Three databases have been created on this site, and are maintained and updated here:
JEPS: The Johnson-Evenson Patent Set
A recently revised webpage with tools including the Yale Technology Concordance (YTC)
and data on international patenting by sector 1976-present
USHiPS: The US Historical Patent Set
For tools including the Wellesley Technology Concordance (WTC)
and data on US patenting by sector 1840-present
OECD Patent Data
For tools including the OECD Technology Concordance (OTC)
and data on OECD patenting by ISIC-defined sector
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News | Vita | Courses | Papers | Databases | Links |
Personal
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- Created by: Pamela Mullin and Kristine Ishii
- Updated by: Daniel K.N. Johnson
- Created: Spring 2000
- Last Modified: August 6, 2004
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