JH

JoAnn D. Hanna

Eastman Kodak: 4 patents #2,416 of 8,114Top 30%
🗺 New York: #31,572 of 115,490 inventorsTop 30%
Overall (All Time): #1,268,736 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6576411 Method of passivating a silver donor with a dye and photothermographic systems made thereby Mark E. Irving, Gregg P. Bryant, Mark R. Mis, Nancy B. Liebert 2003-06-10
6548236 Core/shell silver donors for photothermographic systems comprising an oxidatively less reactive shell Mark E. Irving, David H. Levy, Stephen Swingley, Donald L. Black, Stephen C. Stoker 2003-04-15
6497999 Method of passivating silver donors in photothermographic systems and imaging elements made thereby Gregg P. Bryant, Nancy B. Liebert, Mark E. Irving 2002-12-24
5728515 Iodide containing high bromide tabular grain emulsions exhibiting improved photoefficiency Mark E. Irving, Sharon Lunt 1998-03-17