Average Co-Inventor Count = 1.21
ph-index = 7
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. U.S. Philips Corporation (16 from 14,087 patents)
16 patents:
1. 6000537 - Housing with readable side walls for a disc-shaped information carrier
2. 5890590 - Housing for a disc-shaped information carrier
3. 5560481 - Holder for a rectangular cassette
4. 5269412 - Cassette with a magnetic tape
5. 5264987 - Cassette for magnetic tape provided with window
6. 5214554 - Cassette for a record carrier
7. D331235 - Digital compact cassette
8. D290695 - Video cassette recorder
9. D278429 - Dictating machine
10. D274518 - Intercommunication apparatus
11. D271486 - Dictating machine
12. D269780 - Intercom speaker and receiver
13. D267089 - Dictating machine
14. D263585 - Video compact cassette
15. D254185 - Dictating machine