Stephen D Panshin

This inventor holds 66 USPTO granted patents and 15 published patent applications, plus 9 CIPO patents and 33 EPO patents, primarily in Logic Circuitry (CPC class G06F). Top assignees: Hewlett-Packard Development Company, L.p., Hewlett-Packard Development, L.p., Stmicroelectronics International N.v.. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen D Panshin. Retrieved from https://idiyas.com/inventor/stephen-d-panshin

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

Calculating rank

USPTO Granted Patents = 66 (Patent Applications = 15)

% Patents Active = 90.9

CIPO Patents = 9 (Patent Applications = 9)

EPO Patents = 33 (Patent Applications = 52)

Average Co-Inventor Count = 2.9

ph-index = 6

Forward Citations = 219(Granted Patents)

Forward Citations (Not Self Cited) = 117(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

64 out of 27,698

Hewlett-Packard Development Company, L.p.

patents

1 out of 89

Hewlett-Packard Development, L.p.

patents

1 out of 1,275

Stmicroelectronics International N.v.

patents

Years Active: 2012-2026

Loading Chart...

Areas of Expertise:

Authentication

Logic Circuitry

Digital Signature

Public Key Service

Message Authentication

Supply Authentication

Timing Challenge Response

Print Cartridges

Firmware-Inaccessible Key Storage

Sensor Data Communications

Replicable Print Cartridge

Data Protection

66 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12695617 - Logic circuitry packages storing tokens (2026-07-28),

2. 12687915 - Secure controllers for replaceable print apparatus components (2026-07-21),

3. 12587367 - Authentication of logic circuitry packages (2026-03-24),

4. 12579287 - Chaining message authentication codes (2026-03-17),

5. 12562920 - Digital signature (2026-02-24),

6. 12556407 - Digital signature (2026-02-17),

7. 12476813 - Public key service for message authentication (2025-11-18),

8. 12445306 - Hash chain of blocks of public keys for messages (2025-10-14),

9. 12425231 - Logic circuitry (2025-09-23),

10. 12406077 - Logic circuitry package for print apparatus (2025-09-02),

11. 12240245 - Logic circuitry (2025-03-04),

12. 12050703 - Method of performing an authentication method and a pairing of a peripheral device to a companion device (2024-07-30),

13. 11783023 - Digitally signed data (2023-10-10),

14. 11738562 - Logic circuitry (2023-08-29),

15. 11691429 - Supply authentication via timing challenge response (2023-07-04),

Title: The Innovative Journey of Stephen D Panshin

Introduction: Stephen D Panshin, a talented inventor based in Corvallis, Oregon, has made significant contributions to the field of innovations with his creative mind and dedication to progress.

Latest Patents: Stephen D Panshin holds several patents in various industries, showcasing his versatility and ingenuity in inventing new solutions to complex problems.

Career Highlights: Throughout his career, Stephen D Panshin has been recognized for his groundbreaking inventions that have had a positive impact on society. His commitment to pushing the boundaries of what is possible has led to numerous successful projects.

Collaborations: Stephen D Panshin has collaborated with leading experts in the field, including top researchers, engineers, and scientists, to bring his inventions to life. His ability to work effectively in a team setting has been instrumental in the success of his projects.

Conclusion: Stephen D Panshin's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventors. His remarkable achievements continue to inspire future generations to think outside the box and strive for greatness in the realm of inventions.

Profile summary based on public USPTO records.