Average Co-Inventor Count = 2.40
ph-index = 9
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. Sharp Kabushiki Kaisha Corporation (19 from 25,543 patents)
19 patents:
1. 4879548 - Flat keyboard arrangement
2. 4611286 - Cash accounting system
3. 4538057 - Cash accounting system
4. 4532417 - Cash accounting system
5. 4524267 - Cash accounting system having data compiling capability
6. 4511891 - Money information print control system
7. 4509136 - Teller machine with preset abilities
8. 4485441 - Clerk share calculation in an electronic cash register
9. 4458317 - Teller machine having an alterable secondary memory
10. 4450526 - Money preset in an electronic cash register
11. 4435767 - Error alarm system for detecting an abnormal condition in a peripheral
12. 4430713 - PLU-Code controlled electronic cash register
13. 4425619 - Selective read out of one hour transaction data in an electronic cash
14. 4408292 - Data print control in an electronic cash register
15. 4399508 - Cash checking read operation in an electronic cash register