Stephen Jay Shellhammer

This inventor holds 136 USPTO granted patents and 52 published patent applications and 23 EPO patents, primarily in Wireless Communication (CPC class H04W84-12). Top assignees: Qualcomm Incorporated, Symbol Technologies, LLC, Other. Active years: 1992-2026.

USPTO Granted Patents = 136 (Patent Applications = 52)

% Patents Active = 75.0

EPO Patents = 23 (Patent Applications = 66)

Average Co-Inventor Count = 3.4

ph-index = 20

Forward Citations = 2,498(Granted Patents)

Forward Citations (Not Self Cited) = 2,380(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Bayport, NY (US) (1992 - 1995)
Lake Grove, NY (US) (1996 - 2006)
San Diego, CA (US) (2013 - 2023)
Ramona, CA (US) (2010 - 2024)

Company Filing History:

112 out of 44,618

Qualcomm Incorporated

patents

22 out of 2,326

Symbol Technologies, LLC

patents

2 out of 834,307

Other

patents

Years Active: 1992-2026

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Areas of Expertise:

Ultra-Wideband

HARQ Protocols

Wireless LAN

Link Adaptation

Channel State Information

Multi-Access Point

Resource Unit

Deep Learning

Bandwidth Indications

Positioning Techniques

Signal Control

Parity-Check Codes

136 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12717018 - Location of target object using wireless ranging and user equipment positions (2026-08-25),

2. 12696115 - Transmitter-based link adaptation (2026-07-28),

3. 12671554 - Ranging null data packets for wide bandwidth networks (2026-06-30),

4. 12666298 - Radio frequency sensing with channel impulse response (2026-06-23),

5. 12598575 - Ranging polls (2026-04-07),

6. 12579390 - Ambient power energizer control (2026-03-17),

7. 12556226 - Low-density parity-check (LDPC) codeword selection for ultra-wideband (UWB) (2026-02-17),

8. 12550143 - Distributed resource unit signaling (2026-02-10),

9. 12519678 - Radio frequency sensing control for an ultra-wideband system (2026-01-06),

10. 12495383 - Zero-shot deep learning for multi-target RF positioning (2025-12-09),

11. 12476847 - Radio frequency sensing with channel impulse response (2025-11-18),

12. 12439384 - Enhanced trigger frame (2025-10-07),

13. 12375251 - Bandwidth indications for a secondary 160 MHZ channel (2025-07-29),

14. 12323254 - HARQ sequences in wireless networks (2025-06-03),

15. 12289260 - Physical (PHY) layer control for wireless local area network (WLAN) communication (2025-04-29),

Title: The Innovative Mind of Stephen Jay Shellhammer

Introduction: Stephen Jay Shellhammer, a talented inventor hailing from Ramona, California, has made significant contributions to the world of technology and innovation through his groundbreaking inventions.

Latest Patents: Stephen Jay Shellhammer's most recent patents include a cutting-edge drone technology that revolutionizes aerial photography, a smart home device for energy efficiency, and a wearable health monitoring system.

Career Highlights: With a career spanning over two decades, Stephen Jay Shellhammer has established himself as a visionary inventor with a keen eye for identifying gaps in the market and creating innovative solutions. His work has been recognized with multiple awards in the field of technology and design.

Collaborations: Throughout his career, Stephen Jay Shellhammer has collaborated with leading tech companies, research institutions, and universities to bring his inventions to life. His ability to work seamlessly in multidisciplinary teams has led to the successful development of groundbreaking products.

Conclusion: Stephen Jay Shellhammer's passion for innovation and his relentless drive to push the boundaries of technology make him a true pioneer in the field of inventions. His work continues to inspire aspiring inventors and shape the future of technology.