IG

Ivan I. Grigortchak

📍 Ivano-Frankivsk, UA: #2 of 18 inventorsTop 15%
Overall (All Time): #2,297,164 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5368957 Energy storage device Ivan D. Kozmik, Kornei D. Tovstjuk, Zahar D. Kovalyuk, Elvria G. Krigan, Bogdan P. Bahmatyuk 1994-11-29
5351164 Electrolytic double layer capacitor Kornei D. Tovstjuk, Zahar D. Kovalyuk, Ivan D. Kozmik, Bogdan P. Bahmatyuk 1994-09-27