| Table 6-4 |
| Top patenting corporations in United States: 1999, 2001, and 2003 |
| |
 |
| Company |
Patents |
|
| 1999 |
|
| International Business Machines |
2,756 |
| NEC |
1,842 |
| Canon |
1,795 |
| Samsung Electronics |
1,545 |
| Sony |
1,417 |
| Toshiba |
1,200 |
| Fujitsu |
1,193 |
| Motorola, Inc. |
1,192 |
| Lucent Technologies |
1,163 |
| Mitsubishi Denki |
1,054 |
| 2001 |
|
| International Business Machines |
3,411 |
| NEC |
1,953 |
| Canon |
1,877 |
| Micron Technology, Inc. |
1,643 |
| Samsung Electronics |
1,450 |
| Matsushita Electric Industrial |
1,440 |
| Sony |
1,363 |
| Hitachi |
1,271 |
| Mitsubishi Denki |
1,184 |
| Fujitsu |
1,166 |
| 2003 |
|
| International Business Machines |
3,415 |
| Canon |
1,992 |
| Hitachi |
1,893 |
| Matsushita Electric Industrial |
1,774 |
| Micron Technology |
1,707 |
| Intel Corporation |
1,592 |
| Koninklijke Philips Electronics |
1,353 |
| Samsung Electronics |
1,313 |
| Sony |
1,311 |
| Fujitsu |
1,302 |
|
|
| |
SOURCE: U.S. Patent and Trademark Office, Office of Electronic Information Products, Patent Technology Monitoring Division, special tabulations (November 2004).
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| Science and Engineering Indicators 2006 |
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Source data 
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