Average Co-Inventor Count = 1.40
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 Machines Company, Ltd. (4 from 138 patents)
2. Laurel Bank Machine Co., Ltd. (3 from 131 patents)
3. Laurel Precision Machines Co., Ltd. (3 from 53 patents)
10 patents:
1. 8167110 - Coin discrimination apparatus
2. 7882942 - Coin bar storage
3. 7073653 - Coin handling machine
4. 7050159 - Coin-type determining device
5. 6785412 - Coin-type determining device
6. 6484865 - Coin discriminating apparatus
7. 6328150 - Coin discriminating apparatus
8. 4677682 - Bill counting machine
9. 4569066 - Paper sheet counting machine
10. 4314147 - Multi-function type sheet counting machine