Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10935398 | Distributed acoustic sensing | Edward Austin | 2021-03-02 |
| 7418171 | Fibre Bragg grating sensors | Kenneth Grattan, Tong Sun | 2008-08-26 |
| 6815136 | Liquid developers and processes thereof | Thomas W. Smith, David H. Pan, William M. Prest, Jr., Samuel Kaplan | 2004-11-09 |
| 6621998 | Method and apparatus for formation and development of high solids content toner cake in an electrostatic printing system | Chu-heng Liu | 2003-09-16 |
| 6458500 | Imaging apparatus | David H. Pan | 2002-10-01 |
| 6440629 | Imaging apparatus | David H. Pan | 2002-08-27 |
| 6438332 | Method and apparatus for toner cake delivery | Chu-heng Liu | 2002-08-20 |
| 6349190 | Low cost process multicolor image reproduction machine | Chu-heng Liu | 2002-02-19 |
| 6348292 | Developer compositions and processes | David H. Pan, Christopher M. Knapp, Thomas W. Smith | 2002-02-19 |
| 6346357 | Developer compositions and processes | David H. Pan, Christopher M. Knapp | 2002-02-12 |
| 6341208 | Absorbent coating for contact transfer of liquid toner images | Chu-heng Liu | 2002-01-22 |
| 6309786 | Release layer for contact transferring liquid immersion developed images | Chu-heng Liu | 2001-10-30 |
| 6289191 | Single pass, multicolor contact electrostatic printing system | Chu-heng Liu | 2001-09-11 |
| 6218066 | Developer compositions and processes | David H. Pan, John W. Spiewak, Christopher M. Knapp | 2001-04-17 |
| 6219501 | Method and apparatus for toner cake delivery | Chu-heng Liu | 2001-04-17 |
| 6212347 | Imaging apparatuses and processes thereof containing a marking material with a charge acceptance additive of an aluminum complex | David H. Pan, John W. Spiewak, Christopher M. Knapp | 2001-04-03 |
| 6187499 | Imaging apparatus | David H. Pan, John W. Spiewak, Christopher M. Knapp | 2001-02-13 |
| 6185399 | Multicolor image-on-image forming machine using air breakdown charge and development (ABCD) Process | Chu-heng Liu | 2001-02-06 |
| 6181901 | Multicolor image-on-image forming machine using reverse charge printing (RCP) process | Chu-heng Liu | 2001-01-30 |
| 6180308 | Developer compositions and processes | David H. Pan, John W. Spiewak, Christopher M. Knapp | 2001-01-30 |
| 6165669 | Release layer for contact transferring liquid immersion developed images | Chu-heng Liu | 2000-12-26 |
| 6122471 | Method and apparatus for delivery of high solids content toner cake in a contact electrostatic printing system | Chu-heng Liu, Paul W. Morehouse, Jr. | 2000-09-19 |
| 6120965 | Efficient contact transfer of liquid immersion developed images using an overlayer | Chu-heng Liu | 2000-09-19 |
| 6117602 | Electrostatic printing method and apparatus having enhanced image resolution characteristics | Chu-heng Liu | 2000-09-12 |
| 6049683 | Electrostatic printing method and apparatus having enhanced custom color characteristics | Chu-heng Liu | 2000-04-11 |