Average Co-Inventor Count = 3.27
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. Hitachi Industrial Equipment Systems Co., Ltd. (11 from 493 patents)
11 patents:
1. D849835 - Cartridge for ink jet printer
2. 10189263 - Replenishment container and inkjet recording device comprising same
3. 10081196 - Cartridge-type inkjet recording device
4. 9757949 - Liquid container coupled to a refill container and ink-jet recording apparatus having same
5. 9738086 - Cartridge-type inkjet recording device
6. 9738079 - Replenishment container and inkjet recording device comprising same
7. D790624 - Cartridge for ink jet printer
8. D786966 - Cartridge for ink jet printer
9. D782569 - Cartridge for ink jet printer
10. D754789 - Cartridge for ink jet printer
11. 9050814 - Liquid container coupled to a refill container and ink-jet recording apparatus having same