Average Co-Inventor Count = 5.36
ph-index = 5
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. Merck Patent Gesellschaft MIT Beschrankter Haftung (5 from 1,248 patents)
2. Sharp Corporation (1 from 847 patents)
3. Merck Kgaa (1 from 28 patents)
6 patents:
1. 5958290 - Electrooptical liquid crystal system
2. 5698134 - Electrooptical system
3. 5540769 - Platelet-like colored pigments and process for producing the same
4. 5384066 - Electrooptical system
5. 5356557 - Electrooptical system
6. 5344587 - Electrooptical liquid-crystal system