Average Co-Inventor Count = 5.17
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. Laurel Bank Machine Co., Ltd. (4 from 131 patents)
4 patents:
1. 4744468 - Circulation-type bill receiving and dispensing machine
2. 4516015 - Automatic money receiving and disbursing machine
3. 4510380 - Automatic money receiving and disbursing machine
4. 4431178 - Paper sheet accumulator assembly