Average Co-Inventor Count = 3.69
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. Aura Systems Inc. (2 from 79 patents)
2. Tohoku Ricoh Co., Ltd. (1 from 234 patents)
3. Rjs Enterprises, Inc. (1 from 2 patents)
4 patents:
1. 6700802 - Bi-directional power supply circuit
2. 6700214 - Mobile power generation system
3. 4795281 - Self-correcting printer-verifier
4. 4699531 - Self-correcting printer-verifier