nsf.gov - Science and Engineering Indicators 2006 - Table 6-06: Top 15 most-emphasized U.S. patent classes for corporations from South Korea and Taiwan: 2003

Table 6-6

Top 15 most-emphasized U.S. patent classes for corporations from South Korea and Taiwan: 2003

Rank	South Korea	Taiwan

1	Liquid crystal cells, elements, and systems	Semiconductor device manufacturing process
2	Electric lamp and discharge devices	Electrical connectors
3	Semiconductor device manufacturing process	Electrical systems and devices
4	Dynamic magnetic information storage or retrieval	Circuit makers and breakers
5	Electric lamp and discharge systems	Electric power conversion systems
6	Static information storage and retrieval	Active solid-state devices
7	Brushing, scrubbing, and general cleaning	Typewriting machines
8	Television	Substrate etching process
9	Refrigeration	Sheet-feeding machines
10	Active solid-state devices	Illumination
11	Pumps	Heat exchange
12	Power delivery controls, engines	Cleaning
13	Electrical audio signal systems	Optical image projector
14	Television recording systems	Communication radio wave antennas
15	Electrical nonlinear devices	Facsimile

NOTES: Rank based on patenting activity index for nongovernmental organizations, which are primarily corporations. Patenting by individuals and governments excluded.

SOURCE: U.S. Patent and Trademark Office, Office of Electronic Information Products, Patent Technology Monitoring Division (2004).

Science and Engineering Indicators 2006

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