DH

Dai Huang

UC Ucar Carbon Company: 4 patents #4 of 32Top 15%
GH Graftech International Holdings: 1 patents #69 of 101Top 70%
📍 Sagamore Hills, OH: #23 of 115 inventorsTop 20%
🗺 Ohio: #15,837 of 73,341 inventorsTop 25%
Overall (All Time): #1,027,863 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7544316 Process for making graphite articles James Kortovich, Richard L. Shao, Irwin C. Lewis, Richard T. Lewis 2009-06-09
7207424 Manufacture of carbon/carbon composites by hot pressing Dave Snyder, Richard T. Lewis, Irwin C. Lewis 2007-04-24
6916435 Process of making graphite articles James Kortovich, Richard L. Shao, Irwin C. Lewis, Richard T. Lewis 2005-07-12
6878331 Manufacture of carbon composites by hot pressing Richard T. Lewis, Irwin C. Lewis, David R. Snyder 2005-04-12
6699427 Manufacture of carbon/carbon composites by hot pressing Irwin C. Lewis, William Cate, Richard T. Lewis 2004-03-02