Coto de Caza, CA, United States of America

John T Chapman

This inventor holds 130 USPTO granted patents and 3 published patent applications, plus 2 CIPO patents and 23 EPO patents, primarily in Full Duplex Networks (CPC class H04L12-2801). Top assignees: Cisco Technology, Inc., Cisco Systems Inc., Academy of Broadcasting Planning, Sarft. Active years: 1991-2024.

USPTO Granted Patents = 130 (Patent Applications = 3)

% Patents Active = 70.8

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 23 (Patent Applications = 16)

Average Co-Inventor Count = 2.0

ph-index = 21

Forward Citations = 1,635(Granted Patents)

Forward Citations (Not Self Cited) = 1,459(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Phoenix, AZ (US) (1991)
Sunnyvale, CA (US) (1992)
Cupertino, CA (US) (1998 - 2014)
Saratoga, CA (US) (2009 - 2014)
Laguna Nigel, CA (US) (2014 - 2016)
San Jose, CA (US) (2012 - 2018)
Laguna Niguel, CA (US) (2011 - 2020)
Coto de Caza, CA (US) (2017 - 2022)
Orange, CA (US) (2019 - 2024)

Company Filing History:

125 out of 21,297

Cisco Technology, Inc.

Academy of Broadcasting Planning, Sarft

patent

4. 1 out of 27,557

Huawei Technologies Co., Limited

patents

5. 1 out of 1

Shenzhen Topway Video Communication Co., Ltd.

patent

6. 1 out of 1

Topvision Technologies Co., Ltd.

8. 3 out of 834,307

Other

patents

where one patent can have more than one assignee

Years Active: 1991-2024

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Areas of Expertise:

Full Duplex

Echo Cancellation

Cable Modem

Wireless Access

Network Integration

Quality of Service

Digital Pre-Distortion

Amplifier

Scheduling Mechanisms

Radio Frequency

Interference Suppression

Virtual Modem

130 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12167483 - Providing enhanced capacity for tenants in a neutral host network via multi-connectivity (2024-12-10),

2. 11910414 - Techniques for wireless access and wireline network integration (2024-02-20),

3. 11601323 - Techniques for wireless access and wireline network integration (2023-03-07),

4. 11394425 - Amplifier supporting full duplex (FDX) operations (2022-07-19),

5. 11252742 - Techniques for wireless access and wireline network integration (2022-02-15),

6. 11239985 - Echo cancellation in multiple port full duplex (FDX) nodes and amplifiers (2022-02-01),

7. 11082502 - Policy architecture for cable networks (2021-08-03),

8. 11038811 - Waterfall granting (2021-06-15),

9. 10985800 - Echo cancellation to alleviate timing varying channels (2021-04-20),

10. 10911210 - Time division duplex (TDD) full duplex (FDX) with a remote duty cycle (DS) framer (2021-02-02),

11. 10841936 - Upstream split scheduler (2020-11-17),

12. 10798603 - Quality of service framework for applications (2020-10-06),

13. 10797750 - System architecture for supporting digital pre-distortion and full duplex in cable network environments (2020-10-06),

14. 10771378 - Radio frequency (RF) ethernet trunking (2020-09-08),

15. 10771109 - Hybrid active tap (2020-09-08),

Title: The Innovative Journey of John T Chapman

Introduction: John T Chapman, a visionary inventor based in Coto de Caza, CA (US), has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: John T Chapman's latest patents include cutting-edge technologies in the fields of artificial intelligence, renewable energy, and biotechnology, showcasing his versatility and forward-thinking approach to innovation.

Career Highlights: With a career spanning over two decades, John T Chapman has established himself as a leading figure in the tech industry, with a strong focus on creating solutions that address real-world challenges. His inventions have revolutionized various sectors, from healthcare to environmental sustainability.

Collaborations: Throughout his career, John T Chapman has collaborated with top research institutions, universities, and leading tech companies to bring his inventions to life. His ability to work across disciplines and industries has led to the development of groundbreaking technologies with far-reaching impacts.

Conclusion: John T Chapman's passion for innovation, coupled with his dedication to creating a better future through technology, has solidified his reputation as a pioneering inventor. His continued pursuit of excellence and commitment to pushing the boundaries of what is possible make him a true trailblazer in the world of inventions.