Growing community of inventors

Oulu, Finland

Pirkko Heikkilä

Average Co-Inventor Count = 4.00

ph-index = 2

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.

Forward Citations = 19

Pirkko Heikkilä ↔ Karl Kristian Tryggvason (2 patents)Pirkko Heikkilä ↔ Olavi Lukkarinen (2 patents)Pirkko Heikkilä ↔ Teija Parpala (1 patent)Pirkko Heikkilä ↔ Tarja Parpala (1 patent)Pirkko HeikkiläPirkko Heikkilä (2 patents)Karl Kristian TryggvasonKarl Kristian Tryggvason (30 patents)Olavi LukkarinenOlavi Lukkarinen (4 patents)Teija ParpalaTeija Parpala (3 patents)Tarja ParpalaTarja Parpala (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Biostratum, Inc. (1 from 7 patents)

2. Biostratum Incorporation (1 from 1 patent)


2 patents:

1. 6689090 - Perfusion apparatus and methods for pharmaceutical delivery

2. 6638264 - Perfusion apparatus and methods for pharmaceutical delivery

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idiyas.com
as of
12/17/2025
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