Average Co-Inventor Count = 1.14
ph-index = 4
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. Other (2 from 832,761 patents)
2. Accutec, Inc. (2 from 7 patents)
4 patents:
1. D270547 - Pen
2. D254856 - Pen with chain
3. 4168521 - Writing implement with self-contained illumination
4. 4057354 - Nib and shield for writing implement