Average Co-Inventor Count = 3.20
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. Ckd Corporation (4 from 317 patents)
4 patents:
1. D1068033 - Spacer for shut-off valve
2. D1053315 - Spacer for shut-off valve
3. 12066115 - Electromagnetic valve manifold
4. 11781674 - Electromagnetic valve manifold