DP

David A. Payne

JD John Deere: 15 patents #252 of 5,518Top 5%
HO Honeywell: 7 patents #1,569 of 14,447Top 15%
UI University Of Illinois: 6 patents #236 of 3,009Top 8%
FE Ferro: 1 patents #204 of 431Top 50%
Harvard University: 1 patents #1,740 of 3,600Top 50%
UE US Dept of Energy: 1 patents #1,355 of 5,099Top 30%
📍 Urbandale, IA: #8 of 202 inventorsTop 4%
🗺 Iowa: #310 of 15,303 inventorsTop 3%
Overall (All Time): #124,695 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
4347167 Fine-grain semiconducting ceramic compositions Sang M. Park 1982-08-31
4337162 Internal boundary layer ceramic compositions Sang M. Park, Otto C. Jahnke 1982-06-29
4284521 Reduced alkaline earth metal powders and process for producing same Sang M. Park, Otto C. Jahnke 1981-08-18
4237084 Method of producing internal boundary layer ceramic compositions Sang M. Park, Otto C. Jahnke 1980-12-02
4218723 Heterophasic ceramic composition Sang M. Park 1980-08-19