For the Inventor, By the Inventor

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Optatech Oy

USPTO Granted Patents = 3

Forward Citations = 8

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11 inventors (with patents filed for the assignee):

Vesa Niemi (2 out of 10 patents)

Kari Vahteristo (2 out of 2 patents)

Juha Jakkula (1 out of 17 patents)

4. Salme Koskimies (1 out of 12 patents)

5. Kalle Hanhi (1 out of 3 patents)

6. Erkki Halme (1 out of 6 patents)

7. Kari-Matti Sahala (1 out of 1 patent)

8. Keijo Pyorala (1 out of 1 patent)

9. Viveca Lonnberg (1 out of 2 patents)

10. Sigmund M Csicsery (1 out of 5 patents)

11. Markku Laatikainen (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6127589 - Process of producing 2,6-dimethylnaphthalene by dehydrocyclizing (2000-10-03),

2. 5993696 - Electrically conductive thermoplastic elastomeric composition and its use (1999-11-30),

3. 5952534 - Manufacturing of 2,6-dimethylnaphthalene (1999-09-14),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#138 in Espoo

#769 in Finland

Optatech Oy

Forward Citations = 8

11 inventors:

Vesa Niemi (2 out of 10 patents)

Kari Vahteristo (2 out of 2 patents)

Juha Jakkula (1 out of 17 patents)

4. Salme Koskimies (1 out of 12 patents)

5. Kalle Hanhi (1 out of 3 patents)

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