Average Co-Inventor Count = 1.75
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. Daiwa Can Company (2 from 128 patents)
2 patents:
1. 9731083 - Valved syringe receptacle
2. 8397755 - Coupler with stop valve