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For the Inventor, By the Inventor

Webster, NY, United States of America

Harold F Hammond

USPTO Granted Patents = 20

Average Co-Inventor Count = 7.2

ph-index = 11

Forward Citations = 470(Granted Patents)


Location History:

  • Webster, NY (US) (1999 - 2004)
  • Rochester, NY (US) (2005)

Company Filing History:

goldMedal20 out of 24,189 
 
Xerox Corporation
 patents

Years Active: 1999-2005

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20 patents (USPTO):Explore Patents
1. 6946227 - Imaging members (2005-09-20),
2. 6756169 - Imaging members (2004-06-29),
3. 6627002 - Hollow cylindrical imaging member treatment process with solid carbon dioxide pellets (2003-09-30),
4. 6379853 - Electrophotographic imaging member having two charge transport layers for limiting toner consumption (2002-04-30),
5. 6337166 - Wear resistant charge transport layer with enhanced toner transfer efficiency, containing polytetrafluoroethylene particles (2002-01-08),
6. 6326111 - Stable charge transport layer dispersion containing polytetrafluoroethylene particles and hydrophobic silica (2001-12-04),
7. 6300027 - Low surface energy photoreceptors (2001-10-09),
8. 6261729 - Blocking layer with linear phenolic resin (2001-07-17),
9. 6255027 - Blocking layer with light scattering particles having coated core (2001-07-03),
10. 6242144 - Electrophotographic imaging members (2001-06-05),
11. 6200716 - Photoreceptor with poly (vinylbenzyl alcohol) (2001-03-13),
12. 6194111 - Crosslinkable binder for charge transport layer of a photoconductor (2001-02-27),
13. 6190818 - Dispersion process (2001-02-20),
14. 6156468 - Blocking layer with light scattering particles having rough surface (2000-12-05),
15. 6139999 - Imaging member with partially conductive overcoating (2000-10-31),

Title: The Innovations of Harold F. Hammond in Imaging Technology

Introduction: Harold F. Hammond, based in Webster, NY, has made significant contributions to the field of imaging technology. With a remarkable portfolio of 20 patents, Hammond is recognized for his innovative work that has wide-ranging applications in the imaging industry.

Latest Patents: Among his latest inventions, two notable patents focus on various photoconductive imaging members. The first patent describes an imaging member that features a supporting substrate enveloped by a single layer. This layer consists of a unique blend of a photogenerator component, charge transport component, electron transport component, and polymer binder. The photogenerating component used is a pigment, which enhances the imaging process. The second patent details an imaging member that includes a supporting layer and a singular photogenerating layer. This layer is composed of particles such as hydroxygallium phthalocyanine, a metal-free phthalocyanine, or chlorogallium phthalocyanine, all dispersed within a matrix that consists of an arylamine hole transporter and various electron transport agents.

Career Highlights: Hammond's career is marked by his association with Xerox Corporation, where he has dedicated his expertise in developing imaging technology. His contributions have propelled advancements within the company and the broader imaging field, showcasing his commitment to innovation.

Collaborations: Throughout his career, Hammond has collaborated with notable colleagues, including John S. Chambers and John F. Yanus. These collaborations have fostered an environment of shared knowledge and innovation, leading to the successful development of several groundbreaking technologies.

Conclusion: Harold F. Hammond's impact on the imaging technology sector is undeniable. With a strong portfolio of patents and collaborations with fellow innovators, he continues to push the boundaries of what is possible in imaging solutions. As technology evolves, Hammond's contributions will surely be a significant part of the ongoing narrative in imaging innovation.

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