| Table 6-5 |
| Top 15 most-emphasized U.S. patent classes for corporations from United States, Japan, and Germany: 2003 |
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 |
| Rank |
United States |
Japan |
Germany |
|
| 1 |
Business practice, data processing |
Electrophotography |
Printing |
| 2 |
Surgery: light, thermal, and electrical applications |
Television signal processing |
Clutches and power-stop control |
| 3 |
Computers and digital processing systems |
Computer storage and retrieval |
Land vehicles, bodies, and tops |
| 4 |
Data processing, file management |
Photography |
Machine element or mechanism |
| 5 |
Surgery instruments |
Photocopying |
Brake systems |
| 6 |
Data-processing software |
Liquid crystal cells |
Power delivery controls, engines |
| 7 |
Wells |
Ceramic compositions |
Internal combustion engines |
| 8 |
Prosthesis |
Facsimile |
Metal forming |
| 9 |
Processing achitectures |
Power delivery controls, engines |
Valves |
| 10 |
Input/output digital processing systems |
Optical image projector |
Joints and connections |
| 11 |
Data processing, artificial intelligence |
Incremental printing of symbolic information |
Sheet-feeding machines |
| 12 |
Analytical and immunological testing |
Bearings |
Land vehicles |
| 13 |
Surgical, medicators, and receptors |
Electric lamp and discharge devices |
X-ray or gamma-ray systems |
| 14 |
Multicellular living organisms |
Electrical generators |
Rotary motors or pumps |
| 15 |
Computer memory |
Radiation imagery chemistry |
Chairs, seats |
|
|
| |
NOTES: Rank based on patenting activity index for nongovernmental U.S. or foreign 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, special tabulations (December 2004). |
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| Science and Engineering Indicators 2006 |
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