Average Co-Inventor Count = 2.40
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. Logisticon Inc. (2 from 6 patents)
2. Graphics Microsystems (2 from 5 patents)
4 patents:
1. 5052298 - Ink control system
2. 4864930 - Ink control system
3. 4083422 - Bolt-on guidance system for lift truck
4. 4077486 - Power steering device for lift truck