Average Co-Inventor Count = 1.33
ph-index = 2
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 (4 from 14,087 patents)
4 patents:
1. 5344097 - Recording and reproducing apparatus for a record carrier in tape form
2. 5316237 - Magnetic tape apparatus having a compact reel-brake assembly
3. 4984112 - Recording and/or reproducing apparatus for a record carrier in tape form
4. 4754939 - One way drive system for a recording and/or playback machine without