HH

Heikki I. Helava

FO Fox: 5 patents #8 of 14Top 60%
CM Curators Of The University Of Missouri: 3 patents #162 of 1,157Top 15%
PI Physics International: 1 patents #3 of 14Top 25%
TI Technologies And Devices International: 1 patents #12 of 22Top 55%
📍 Oakland, CA: #632 of 4,380 inventorsTop 15%
🗺 California: #60,666 of 386,348 inventorsTop 20%
Overall (All Time): #505,779 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10790405 Optically controlled power devices Randy D. Curry 2020-09-29
9728660 Optically-triggered linear or avalanche solid state switch for high power applications Randy D. Curry 2017-08-08
9716202 Optically activated linear switch for radar limiters or high power switching applications Randy D. Curry, Robert Druce, Nathaniel Kinsey 2017-07-25
7056383 Tantalum based crucible Mark Grigorievich Ramm 2006-06-06
6890809 Method for fabricating a P-N heterojunction device utilizing HVPE grown III-V compound layers and resultant device Sergey Karpov, Alexander Usikov, Denis Tsvetkov, Vladimir A. Dmitriev 2005-05-10
6863728 Apparatus for growing low defect density silicon carbide Yury Alexandrovich Vodakov, Mark Grigorievich Ramm, Evgeny Nikolaevich Mokhov, Alexandr Dmitrievich Roenkov, Yury Nikolaevich Makarov +2 more 2005-03-08
6534026 Low defect density silicon carbide Yury Alexandrovich Vodakov, Mark Grigorievich Ramm, Evgeny Nikolaevich Mokhov, Alexandr Dmitrievich Roenkov, Yury Nikolaevich Makarov +2 more 2003-03-18
6508880 Apparatus for growing low defect density silicon carbide Yury Alexandrovich Vodakov, Mark Grigorievich Ramm, Evgeny Nikolaevich Mokhov, Alexandr Dmitrievich Roenkov, Yury Nikolaevich Makarov +2 more 2003-01-21
6428621 Method for growing low defect density silicon carbide Yury Alexandrovich Vodakov, Mark Grigorievich Ramm, Evgeny Nikolaevich Mokhov, Alexandr Dmitrievich Roenkov, Yury Nikolaevich Makarov +2 more 2002-08-06
4494043 Imploding plasma device Charles H. Stallings, Richard L. Schneider, Frederick K. Childers, Stephen M. Matthews, Ian Roth +1 more 1985-01-15