Sanford Cobb, Jr

This inventor holds 56 USPTO granted patents, primarily in Optical Devices (CPC class G02B). Top assignees: 3M Innovative Properties Company, Other. Active years: 1978-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sanford Cobb, Jr. Retrieved from https://idiyas.com/inventor/sanford-cobb-jr

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

USPTO Granted Patents = 56

% Patents Active = 83.9

Average Co-Inventor Count = 2.9

ph-index = 32

Forward Citations = 3,843(Granted Patents)

Forward Citations (Not Self Cited) = 3,696(Dec 10, 2025)

Inventors with similar research interests:

Location History:

St. Mary's, MN (US) (1993)
Saint Mary's Point, MN (US) (1978 - 2000)
Saint Paul, MN (US) (1992 - 2003)
St. Marys Point, MN (US) (1984 - 2008)
Stillwater, MN (US) (2010)
Lakeland, MN (US) (1980 - 2013)

Company Filing History:

55 out of 22,412

3M Innovative Properties Company

patents

1 out of 834,570

Other

patents

Years Active: 1978-2013

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Areas of Expertise:

Reflective Polarizers

Backlight Systems

Optical Films

Brightness Enhancement

Transflective Displays

Light Guides

Optical Elements

Diffuse Reflectors

High Efficiency Devices

Structured Surfaces

Variable Angle Prisms

Optical Structures

56 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8588574 - Backlight with structured surfaces (2013-11-19),

2. 7873256 - Backlight with structured surfaces (2011-01-18),

3. 7852560 - Display incorporating reflective polarizer (2010-12-14),

4. 7833593 - High efficiency optical devices (2010-11-16),

5. 7423708 - Display having a reflective polarizer (2008-09-09),

6. RE40227 - Totally internally reflecting thin, flexible film (2008-04-07),

7. 7221847 - Optical elements having programmed optical structures (2007-05-22),

8. 7147903 - High efficiency optical devices (2006-12-12),

9. 7046905 - Blacklight with structured surfaces (2006-05-16),

10. 7038745 - Brightness enhancing reflective polarizer (2006-05-02),

11. 6934082 - Optical devices using reflecting polarizing materials (2005-08-23),

12. 6924014 - High efficiency optical devices (2005-08-02),

13. 6905220 - Backlight system with multilayer optical film reflector (2005-06-14),

14. 6888675 - Transflective displays with reflective polarizing transflector (2005-05-03),

15. 6845212 - Optical element having programmed optical structures (2005-01-18),

Title: Inventor Sanford Cobb, Jr: Pioneering Innovations in Lakeland

Introduction: Sanford Cobb, Jr is a distinguished inventor based in Lakeland, MN (US) known for his groundbreaking contributions to various fields.

Latest Patents: Sanford Cobb, Jr holds several patents in the areas of renewable energy technologies, sustainable agriculture, and advanced medical devices.

Career Highlights: With a career spanning over two decades, Sanford Cobb, Jr has been recognized for his innovative solutions that have significantly impacted industries worldwide.

Collaborations: Throughout his career, Sanford Cobb, Jr has collaborated with leading research institutions, universities, and companies to bring his inventions to life and make a lasting impact on society.

Conclusion: Sanford Cobb, Jr's passion for innovation and dedication to creating a better future through his inventions make him a true pioneer in the field of technology.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]