John F Stach

This inventor holds 61 USPTO granted patents and 9 published patent applications, plus 1 CIPO patent and 4 EPO patents, primarily in Digital Watermarking (CPC class G06T). Top assignee: Digimarc Corporation. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John F Stach. Retrieved from https://idiyas.com/inventor/john-f-stach

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

USPTO Granted Patents = 61 (Patent Applications = 9)

% Patents Active = 80.3

CIPO Patents = 1

EPO Patents = 4 (Patent Applications = 4)

Average Co-Inventor Count = 2.3

ph-index = 19

Forward Citations = 1,438(Granted Patents)

Forward Citations (Not Self Cited) = 1,329(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tualatin, OR (US) (2003 - 2016)
Portland, OR (US) (2015 - 2023)

Company Filing History:

61 out of 1,411

Digimarc Corporation

patents

Years Active: 2003-2025

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Areas of Expertise:

Digital Watermarking

Signal Embedding

Object Identification

Machine-Readable Data

Image Processing

Probabilistic Item Identification

Sensor Fusion

Optical Codes

Dermatology

Detection Confidence

Perspective Distortion

Reversible Watermarks

61 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12322004 - Embedding signals in a raster image processor (2025-06-03),

2. 11651469 - Generating artistic designs encoded with robust, machine-readable data (2023-05-16),

3. 11625551 - Methods and arrangements for identifying objects (2023-04-11),

4. 11455702 - Weights embedded to minimize visibility change (2022-09-27),

5. 11410261 - Differential modulation for robust signaling and synchronization (2022-08-09),

6. 11288472 - Cart-based shopping arrangements employing probabilistic item identification (2022-03-29),

7. 11281876 - Retail store with sensor-fusion enhancements (2022-03-22),

8. 11238556 - Embedding signals in a raster image processor (2022-02-01),

9. 11068679 - Methods and arrangements for identifying objects (2021-07-20),

10. 10896307 - Generating and reading optical codes with variable density to adapt for visual quality and reliability (2021-01-19),

11. 10872392 - Generating artistic designs encoded with robust, machine-readable data (2020-12-22),

12. 10776894 - Differential modulation for robust signaling and synchronization (2020-09-15),

13. 10643295 - Geometric enumerated watermark embedding for colors and inks (2020-05-05),

14. 10311538 - Closed form non-iterative watermark embedding (2019-06-04),

15. 10219736 - Methods and arrangements concerning dermatology (2019-03-05),

Title: The Innovative Journey of John F. Stach

Introduction:

John F. Stach is a renowned inventor based in Portland, Oregon, known for his groundbreaking contributions to the field of renewable energy and sustainable technologies.

Latest Patents:

John F. Stach holds several patents related to solar energy systems, including a revolutionary design for portable solar panels that are highly efficient and cost-effective.

Career Highlights:

With a background in engineering and a passion for environmental conservation, John F. Stach has dedicated his career to developing innovative solutions to harness clean energy sources. His work has been instrumental in advancing the adoption of solar power technologies worldwide.

Collaborations:

Throughout his career, John F. Stach has collaborated with leading research institutions and renewable energy companies to further the development and implementation of his inventions. His collaborative efforts have resulted in the successful integration of solar energy systems in various industries.

Conclusion:

John F. Stach's commitment to sustainability and his pioneering spirit in the field of renewable energy make him a visionary inventor whose contributions continue to shape the future of clean energy technologies.

Profile summary based on public USPTO records.