Average Co-Inventor Count = 1.24
ph-index = 3
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. Merz & Krell Gmbh & Co. (2 from 13 patents)
2. Senator Gmbh & Co. Kgaa (1 from 26 patents)
3. Firma Merz & Kreel Gmbh & Co. (1 from 1 patent)
4. Firma Merz & Krell Gmbh & Co. (1 from 1 patent)
5. Merz & Co. Gmbh & Co. Kg (1 from 1 patent)
6 patents:
1. 7246638 - Filling device comprising lateral filling windows
2. 5988434 - Dosage withdrawal apparatus
3. 5433545 - Writing implement
4. 5145272 - Projectable and retractable, push button writing instrument
5. 5026189 - Writing implement with coaxial alternately usable tips
6. 4999017 - Multi-color writing utensil