Average Co-Inventor Count = 1.60
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. Other (1 from 832,761 patents)
2. Astra Meditec Aktiebolag (1 from 17 patents)
3. Aktiebolaget Meteve (1 from 1 patent)
4. Astra-sjuco Aktiebolag (1 from 1 patent)
4 patents:
1. 4490136 - Trocar
2. 4445897 - Catheter for postsurgical drainage
3. D264246 - Surgical aspiration catheter
4. D262657 - Suction drainage device for surgical purposes