JH

Jen-chi Huang

PO Polychrome: 14 patents #1 of 34Top 3%
KC Kodak Polychrome Graphics Company: 2 patents #91 of 213Top 45%
SC Sun Chemical: 1 patents #261 of 539Top 50%
Overall (All Time): #279,740 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6692890 Substrate improvements for thermally imageable composition and methods of preparation Xing-Fu Zhong, S. Peter Pappas, Shashikant Saraiya 2004-02-17
6451413 Method of preparing a printing plate and printing plate Patrice M. Aurenty, Alexander Grant, William P. Keaveney, Edward Stone 2002-09-17
5551585 Process for the surface treatment of lithographic printing plate precursors Daniel Martin Bourgeois 1996-09-03
4735696 Method of electrolytically graining aluminum metal sheets suitable for lithographic plate supports Donald Riley 1988-04-05
4721552 Two-step method for electrolytically graining lithographic metal plates Daniel Martin Bourgeois 1988-01-26
4568630 Method for preparing and using an anodized aluminum photo-lithographic printing plate Eugene Golda 1986-02-04
4552827 Planographic printing plate having cationic compound in interlayer Nils O. Eklund 1985-11-12
4548683 Method of electrolytically graining a lithographic plate Gregory Von Gruenberg, Donald Riley 1985-10-22
4524125 Chemical etching of lithographic aluminum substrate 1985-06-18
4483913 Planographic printing plate Nils O. Eklund 1984-11-20
4477317 Aluminum substrates useful for lithographic printing plates Simon Chu, Eugene Golda, Alan Wilkes 1984-10-16
4467028 Acid interlayered planographic printing plate James G. Shelnut 1984-08-21
4446221 Anodized supports and radiation sensitive elements therefrom Hans-Peter Herting, Eugene Golda 1984-05-01
4406757 Anodization method 1983-09-27
4324841 Lithographic substrates 1982-04-13
4242417 Lithographic substrates 1980-12-30
4201836 Aluminum substrates grained with a saturated solution of aluminum salts of mineral acids 1980-05-06