Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591554 | Multilayered photoreceptor with adhesive and intermediate layers | Satchidanand Mishra, Robert C. U. Yu, Kathleen M. Carmichael, Edward F. Grabowski, William W. Limburg +7 more | 1997-01-07 |
| 5576130 | Photoreceptor which resists charge deficient spots | Robert C. U. Yu, Satchidanand Mishra, Kathleen M. Carmichael, Edward F. Grabowski, William W. Limburg +4 more | 1996-11-19 |
| 5571648 | Charge generation layer in an electrophotographic imaging member | Satchidanand Mishra, Robert C. U. Yu, Donald P. Sullivan, Kathleen M. Carmichael, Edward F. Grabowski +4 more | 1996-11-05 |
| 5571647 | Electrophotographic imaging member with improved charge generation layer | Satchidanand Mishra, Robert C. U. Yu, Kathleen M. Carmichael, Edward F. Grabowski, William W. Limburg +5 more | 1996-11-05 |
| 5571649 | Electrophotographic imaging member with improved underlayer | Satchidanand Mishra, Robert C. U. Yu, Kathleen M. Carmichael, Edward F. Grabowski, William W. Limburg +5 more | 1996-11-05 |
| 4786570 | Layered, flexible electrophotographic imaging member having hole blocking and adhesive layers | Robert C. U. Yu, Donald P. Sullivan, John A. Bergfjord, Sr. | 1988-11-22 |
| 4780385 | Electrophotographic imaging member containing zirconium in base layer | Francis J. Wieloch, Charles Robinson, Frederick D. Gonyea, Harvey S. Towers, Edward F. Grabowski +1 more | 1988-10-25 |
| 4725518 | Electrophotographic imaging system comprising charge transporting aromatic amine compound and protonic acid or Lewis acid | Kathleen M. Carmichael, Frederick D. Gonyea, Edward F. Grabowski, Jay W. Johns, Robert N. Jones +4 more | 1988-02-16 |
| 4664995 | Electrostatographic imaging members | Alfred T. LaFrance, Francis J. Wieloch, Robert C. U. Yu | 1987-05-12 |
| 4665000 | Photoresponsive devices containing aromatic ether hole transport layers | Emery G. Tokoli | 1987-05-12 |
| 4654284 | Electrostatographic imaging member with anti-curl layer comprising a reaction product of a binder bi-functional coupling agent and crystalline particles | Robert C. U. Yu, Francis J. Wieloch | 1987-03-31 |
| 4508650 | Process for the preparation of high purity phthalocyanine pigments | Emery G. Tokoli, Kathleen M. Carmichael | 1985-04-02 |
| 4507480 | Squaraines | Peter M. Kazmaier, Richard A. Burt | 1985-03-26 |
| 4489148 | Overcoated photoresponsive device | — | 1984-12-18 |
| 4471041 | Photoconductive devices containing novel squaraine compositions | Giuseppa Baranyi, Richard A. Burt, Cheng-Kuo Hsiao, Peter M. Kazmaier, Kathleen M. Carmichael | 1984-09-11 |
| 4415639 | Multilayered photoresponsive device for electrophotography | — | 1983-11-15 |
| 4281054 | Overcoated photoreceptor containing injecting contact | Richard W. Radler | 1981-07-28 |
| 4233383 | Trigonal selenium photoconductive element | — | 1980-11-11 |
| 4232102 | Imaging system | Richard W. Radler | 1980-11-04 |