Growing community of inventors

Lappeenranta, Finland

Kari Vahteristo

Average Co-Inventor Count = 4.80

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.

Forward Citations = 1

Kari Vahteristo ↔ Vesa Niemi (2 patents)Kari Vahteristo ↔ Juha Jakkula (1 patent)Kari Vahteristo ↔ Salme Koskimies (1 patent)Kari Vahteristo ↔ Erkki Halme (1 patent)Kari Vahteristo ↔ Sigmund M Csicsery (1 patent)Kari Vahteristo ↔ Kari-Matti Sahala (1 patent)Kari Vahteristo ↔ Markku Laatikainen (1 patent)Kari VahteristoKari Vahteristo (2 patents)Vesa NiemiVesa Niemi (10 patents)Juha JakkulaJuha Jakkula (17 patents)Salme KoskimiesSalme Koskimies (12 patents)Erkki HalmeErkki Halme (6 patents)Sigmund M CsicserySigmund M Csicsery (5 patents)Kari-Matti SahalaKari-Matti Sahala (1 patent)Markku LaatikainenMarkku Laatikainen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Optatech Oy (2 from 3 patents)


2 patents:

1. 6127589 - Process of producing 2,6-dimethylnaphthalene by dehydrocyclizing

2. 5952534 - Manufacturing of 2,6-dimethylnaphthalene

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as of
12/15/2025
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