主题：类似康宁这样的企业，美国还有多少？ -- 一无所之

America’s Ten Most Innovative Companies

1. Qualcomm: (2009 PCT patents filed: 1,280, up 373 from 2008)

2. Microsoft: (2009 PCT patents filed: 644, down 161)

3. Procter & Gamble: (2009 PCT patents filed: 341, down 71).

4. IBM: (2009 PCT patents filed: 401, down 283.)

5. 3M: (2009 PCT patents filed: 688, up 25)

6. Hewlett-Packard: (2009 PCT patents filed: 554, up 58)

7. DuPont: (2009 PCT patents filed: 509, down 8)

8. Baker Hughes: (2009 PCT patents filed: 375, up 79)

9. GE: (2009 PCT patents: 307, down 19)

10. Corning: (2009 PCT patents filed: 285, up 57). Corning is the world's leader in fiber optics, display and glass technologies. Recent technology advances from Corning include green lasers, sunlight-to-energy converters and products that help the advanced purification of chemicals.