Company Filing History:

19 out of 3,030

Lexmark International, Inc.

patents

1 out of 164,135

International Business Machines Corporation

patents

Years Active: 1982-2012

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8178265 - Electrophotographic photoreceptor having a spectral marker and electrophotographic printer using the same (2012-05-15),

2. 7955769 - Control of crazing, cracking or crystallization of a charge transport layer in a photoconductor (2011-06-07),

3. 7642027 - Control of crazing, cracking or crystallization of a charge transport layer in a photoconductor (2010-01-05),

4. 6881272 - Selective removal of photoreceptor coatings by ultrasonification (2005-04-19),

5. 6787276 - Dual layer photoconductors with charge transport layer including styrene-acrylic resin (2004-09-07),

6. 6544702 - Charge transport layers comprising hydrazones and photoconductors including the same (2003-04-08),

7. 6432597 - Electrophotographic photoconductor containing fluorenyl-azine derivatives and triarylamine in transport layer (2002-08-13),

8. 6245471 - Charge generation layers comprising at least one titanate and photoconductors including the same (2001-06-12),

9. 6214502 - Charge generation layers comprising binder blends and photoconductors including the same (2001-04-10),

10. 6114583 - Preparation of triarylamines (2000-09-05),

11. 6080518 - Electrophotographic photoconductor containing simple quinones to improve (2000-06-27),

12. 6066427 - Methods for making a charge generating layers comprising type I (2000-05-23),

13. 6022657 - Methods of making charge generation layers containing charge transport (2000-02-08),

14. 5994013 - Dual layer photoconductors with charge generation layer containing (1999-11-30),

15. 5972549 - Dual layer photoconductors with charge generation layer containing (1999-10-26),

Title: The Innovative Contributions of Ronald Harold Levin

Introduction

Ronald Harold Levin is a prominent inventor based in Boulder, Colorado, whose work has made significant impacts in the field of electrophotography. With an impressive portfolio of 20 patents, Levin's innovations focus primarily on enhancing the efficiency and reliability of photoreceptors and printers. His research not only showcases his expertise in the field but also contributes to the advancement of printing technology.

Latest Patents

Levin's latest patents include groundbreaking developments such as an electrophotographic photoreceptor with a spectral marker and an electrophotographic printer utilizing this technology. The photoreceptor employs a spectral marker detected by a specialized device, facilitating authentication and thickness measurements, which in turn allows for optimized operating parameters of printing components. Another significant innovation is his control mechanism for minimizing defects like crazing, cracking, or crystallization in the charge transport layer of photoconductors. This technology incorporates charge transport molecules, including octyl/decyl glycidyl ether (OGE) and dodecyl/tetradecyl glycidyl ether (DGE), to enhance durability in printing applications.

Career Highlights

Throughout his career, Ronald Levin has held pivotal roles at renowned companies such as Lexmark International, Inc. and International Business Machines Corporation (IBM). His contributions to these organizations have been instrumental in pushing forward the boundaries of printer technology.

Collaborations

Levin has collaborated with several notable figures in the industry, including Scott Thomas Mosier and Weimei Luo. These partnerships have fostered innovative solutions and advanced the technology surrounding electrophotographic printing systems.

Conclusion

In conclusion, Ronald Harold Levin's contributions to the field of electrophotography and printing technology are profound. His patents reflect a deep understanding of material science and engineering, addressing crucial challenges in the industry. As technology continues to evolve, Levin's work will undoubtedly influence future innovations in printing and related fields.

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