James Duffin

This inventor holds 12 USPTO granted patents and 20 published patent applications and 4 EPO patents, primarily in Neurovascular Imaging. Top assignee: Thornhill Scientific Inc.. Active years: 2020-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Duffin. Retrieved from https://idiyas.com/inventor/james-duffin

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

Calculating rank

USPTO Granted Patents = 12 (Patent Applications = 20)

% Patents Active = 91.7

EPO Patents = 4 (Patent Applications = 10)

Average Co-Inventor Count = 5.8

ph-index = 1

Company Filing History:

12 out of 20

Thornhill Scientific Inc.

patents

Years Active: 2020-2026

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Areas of Expertise:

Deoxyhemoglobin Contrast

Vascular Response

Cerebral Tissue

Brain Oxygenation

Neurovascular Uncoupling

Cardiac Output

Arterial Input Function

Cerebrovascular Reactivity

Non-Invasive Measurement

Gas Concentrations

Imaging Abnormalities

Choroid Plexus

12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12733810 - Dynamic susceptibility contrast using a pre-determined arterial input function (2026-09-15),

2. 12614292 - Imaging abnormalities in vascular response (2026-04-28),

3. 12446803 - Method and system of measuring brain oxygenation using deoxyhemoglobin contrast (2025-10-21),

4. 12440118 - System and method for determining arterial input function based on susceptibility contrast in the choroid plexus (2025-10-14),

5. 12419531 - Implementing a periodic deoxyhemoglobin signal (2025-09-23),

6. 12336783 - Identifying the vascularity of cerebral tissue in subjects using deoxyhemoglobin contrast (2025-06-24),

7. 11998351 - Testing for neurovascular uncoupling in multiple sclerosis using sequential gas delivery versus fixed inspired CO (2024-06-04),

8. 11880989 - Imaging abnormalities in vascular response (2024-01-23),

9. 11464414 - Non-invasive cardiac output determination (2022-10-11),

10. 11077266 - Method and apparatus to attain and maintain target arterial blood gas concentrations using ramp sequences (2021-08-03),

11. 10850052 - Apparatus to attain and maintain target end tidal partial pressure of a gas (2020-12-01),

12. 10791931 - Imaging reductions in cerebrovascular reactivity (2020-10-06),

Title: The Innovative Journey of James Duffin

Introduction: James Duffin is a renowned inventor based in Toronto, Canada, known for his groundbreaking contributions to various technological fields.

Latest Patents: James Duffin holds several patents in the areas of renewable energy, artificial intelligence, and medical devices, showcasing his diverse range of expertise and innovation.

Career Highlights: With a career spanning over two decades, James Duffin has worked with leading research institutions and tech companies, consistently pushing the boundaries of innovation. His work has significantly impacted the fields of sustainable technology and healthcare.

Collaborations: Throughout his career, James Duffin has collaborated with top engineers, scientists, and researchers globally, fostering a culture of innovation and knowledge-sharing. His collaborative efforts have led to the development of cutting-edge solutions that address complex challenges.

Conclusion: James Duffin's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventors. His work continues to inspire future generations of innovators to push the limits of what is possible.

Profile summary based on public USPTO records.