Average Co-Inventor Count = 7.56
ph-index = 1
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. Kubota Corporation (3 from 2,699 patents)
3 patents:
1. 11739669 - Blow-by gas treating device and engine including blow-by gas treating device
2. 11674478 - Air intake amount measurement device and engine
3. 9429066 - Subchamber type combustion chamber for diesel engine