% Expired Patents = 20.0

Forward Citations = 477

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7 inventors (with patents filed for the assignee):

Stephen E Hughes (4 out of 4 patents)

John Giungo (3 out of 3 patents)

Henry J Kaplan (1 out of 3 patents)

4. Harrihar A Pershadsingh (1 out of 19 patents)

5. Daniel E Levy (1 out of 3 patents)

6. Yao Liu (1 out of 1 patent)

7. Daniel B Schein (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 7189245 - Subretinal implantation device and surgical cannulas for use therewith (2007-03-13),

2. 6955809 - Retinal cell grafts (2005-10-18),

3. 6579256 - Instrument for subretinal implantation (2003-06-17),

4. 6514238 - Method for preparation and transplantation of volute grafts and surgical instrument therefor (2003-02-04),

5. 6316465 - Ophthalmic uses of PPARgamma agonists and PPARgamma antagonists (2001-11-13),

6. 6045791 - Retinal pigment epithelium transplantation (2000-04-04),

7. 6036678 - Method for preparation and transplantation of planar implants and (2000-03-14),

8. 5962027 - Retinal cell transplant (1999-10-05),

9. 5868728 - Medical linear actuator for surgical delivery, manipulation, and (1999-02-09),

10. 5817075 - Method for preparation and transplantation of planar implants and (1998-10-06),

Company Overview

Photogenesis, Inc. is a Los Angeles-based company specializing in advanced imaging technologies and innovative solutions for various industries. The organization focuses on developing cutting-edge products that enhance visual experiences and improve imaging capabilities across sectors such as healthcare, entertainment, and security. With a commitment to research and development, Photogenesis aims to push the boundaries of imaging science, delivering high-quality solutions that meet the evolving needs of its clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#198 in Los Angeles, CA

#7,114 in California

#29,866 in US

#56,047 in the World

Los Angeles, CA, United States of America

Photogenesis, Inc.

Forward Citations = 477

7 inventors:

Stephen E Hughes (4 out of 4 patents)

John Giungo (3 out of 3 patents)

Henry J Kaplan (1 out of 3 patents)

4. Harrihar A Pershadsingh (1 out of 19 patents)

5. Daniel E Levy (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Photogenesis, Inc.. Retrieved from https://idiyas.com/company/photogenesis

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]