IL

Irwin C. Lewis

GH Graftech International Holdings: 20 patents #1 of 101Top 1%
UT Ucar Carbon Technology: 17 patents #1 of 62Top 2%
UC Ucar Carbon Company: 12 patents #1 of 32Top 4%
UC Union Carbide: 9 patents #58 of 1,402Top 5%
AM Amoco: 1 patents #610 of 1,251Top 50%
📍 Strongsville, OH: #4 of 429 inventorsTop 1%
🗺 Ohio: #533 of 73,341 inventorsTop 1%
Overall (All Time): #40,603 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
4755276 Nitro-substituted pitch and process for the production thereof 1988-07-05
4729689 Electrode member and process for the production thereof Faramarz Nazem, Leonard S. Singer, George S. Chryssomallis 1988-03-08
4645584 Mesophase pitch feedstock from hydrotreated decant oils Rostislav Didchenko 1987-02-24
4465585 Cholesteric mesophase pitch 1984-08-14
4457828 Mesophase pitch having ellipspidal molecules and method for making the pitch 1984-07-03
4431513 Methods for producing mesophase pitch and binder pitch 1984-02-14
4402928 Carbon fiber production using high pressure treatment of a precursor material Arthur Moore 1983-09-06
4317809 Carbon fiber production using high pressure treatment of a precursor material Arthur Moore 1982-03-02
4303631 Process for producing carbon fibers Richard T. Lewis 1981-12-01