David J Zahniser

This inventor holds 49 USPTO granted patents and 4 published patent applications, plus 4 CIPO patents and 16 EPO patents, primarily in Biological Specimen Analysis. Top assignees: Roche Diagnostics Hematology, Inc., Cytyc Corporation, Hologic, Inc.. Active years: 1983-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David J Zahniser. Retrieved from https://idiyas.com/inventor/david-j-zahniser

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

Calculating rank

USPTO Granted Patents = 49 (Patent Applications = 4)

% Patents Active = 91.8

CIPO Patents = 4

EPO Patents = 16 (Patent Applications = 7)

Average Co-Inventor Count = 3.7

ph-index = 10

Forward Citations = 414(Granted Patents)

Company Filing History:

25 out of 44

Roche Diagnostics Hematology, Inc.

Constitution Medical, Inc.

patents

5. 1 out of 181

Coulter Electronics, Inc.

patents

6. 1 out of 1,700

Roche Diagnostics Operations, Inc.

patents

where one patent can have more than one assignee

Years Active: 1983-2026

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Areas of Expertise:

Cellular Samples

Biomarker Expression

Quality Control

Sample Preparation

Body Fluids

Imaging Blood Cells

Complete Blood Count

Cytological Imaging

Automated Systems

Dispensing Samples

Biological Specimens

Microscopy

49 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12590871 - METHODS AND SYSTEMS FOR PREPARING AND ANALYZING CELLULAR SAMPLES FOR MORPHOLOGICAL CHARACTERISTICS AND BIOMARKER EXPRESSION (2026-03-31),

2. 12546765 - Compositions and methods for calibration and quality control (2026-02-10),

3. 12117381 - Automated systems and methods for preparing biological specimens for examination (2024-10-15),

4. 11933711 - Systems and methods for sample display and review (2024-03-19),

5. 11047791 - Systems and methods for sample display and review (2021-06-29),

6. 10775282 - Automated systems and methods for preparing biological specimens for examination (2020-09-15),

7. 10764538 - Systems and methods for analyzing body fluids (2020-09-01),

8. 10466146 - Controlled dispensing of samples onto substrates (2019-11-05),

9. 10345205 - Fluid sample preparation systems and methods (2019-07-09),

10. 10175153 - Automated systems and methods for preparing biological specimens for examination (2019-01-08),

11. 10094764 - Systems and methods for determining a complete blood count and a white blood cell differential count (2018-10-09),

12. 10083342 - Imaging blood cells (2018-09-25),

13. 9891147 - Automated systems and methods for preparing biological specimens for examination (2018-02-13),

14. 9784652 - Controlled dispensing of samples onto substrates (2017-10-10),

15. 9690976 - Imaging blood cells (2017-06-27),

Title: The Innovative Mind of David J Zahniser

Introduction: David J Zahniser is a renowned inventor based in Wellesley, MA (US) known for his groundbreaking contributions to various industries.

Latest Patents: David J Zahniser holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of expertise.

Career Highlights: With a career spanning over two decades, David J Zahniser has consistently pushed the boundaries of innovation, leading to the development of cutting-edge solutions that have revolutionized the way we live and work.

Collaborations: Throughout his career, David J Zahniser has collaborated with leading companies, research institutions, and universities to bring his ideas to life, fostering a culture of creativity and excellence in the process.

Conclusion: David J Zahniser's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

Profile summary based on public USPTO records.