El Granada, CA, United States of America

David E Edgren

This inventor holds 59 USPTO granted patents and 5 published patent applications, plus 3 CIPO patents and 2 EPO patents, primarily in Pharmaceutical Formulations (CPC class 4244). Top assignees: Alza Corporation, Sinusys Corporation, Alza Corporatiton. Active years: 1982-2018.

USPTO Granted Patents = 59 (Patent Applications = 5)

% Patents Active = 83.1

CIPO Patents = 3

EPO Patents = 2 (Patent Applications = 4)

Average Co-Inventor Count = 3.1

ph-index = 31

Forward Citations = 3,358(Granted Patents)

Forward Citations (Not Self Cited) = 3,281(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Mountain View, CA (US) (2001)
El Granada, CA (US) (1982 - 2011)
Palo Alto, CA (US) (2006 - 2017)
Los Altos, CA (US) (2002 - 2018)

Company Filing History:

5. 2 out of 834,307

Other

patents

Years Active: 1982-2018

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Areas of Expertise:

Sustained Release

Gastric Retention

Antidepressant Dosage

Controlled Release

Oral Dosage Forms

Pharmaceutical Coating

Drug Coating

Active Agent Formulation

Sinus Dilator

Paranasal Sinus

Osmotic Device

Central Nervous System

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10071068 - Sustained release oral dosage forms of an R-baclofen prodrug (2018-09-11),

2. 9687263 - Devices and methods for inserting a sinus dilator (2017-06-27),

3. 9629644 - Devices and methods for dilating a paranasal sinus opening and for treating sinusitis (2017-04-25),

4. 9597485 - Devices and methods for dilating a paranasal sinus opening and for treating sinusitis (2017-03-21),

5. 9504812 - Devices and methods for dilating a paranasal sinus opening and for treating sinusitis (2016-11-29),

6. 9149616 - Devices and methods for dilating a paranasal sinus opening and for treating sinusitis (2015-10-06),

7. 9138569 - Devices and methods for dilating a paranasal sinus opening and for treating sinusitis (2015-09-22),

8. 8524277 - Extended release dosage form (2013-09-03),

9. 8246986 - Drug coating providing high drug loading (2012-08-21),

10. 8226979 - Drug coating providing high drug loading and methods for providing the same (2012-07-24),

11. 8084059 - Antidepressant dosage form (2011-12-27),

12. 7087243 - Pharmaceutical coating composition and method of use (2006-08-08),

13. 7060734 - Pharmaceutical coating composition and method of use (2006-06-13),

14. 6797283 - Gastric retention dosage form having multiple layers (2004-09-28),

15. 6635281 - Gastric retaining oral liquid dosage form (2003-10-21),

Title: The Inventor David E Edgren

Introduction: David E Edgren is a renowned inventor based in El Granada, California. He is known for his innovative contributions to various fields.

Latest Patents: David E Edgren's latest patents include inventions in the technology sector, particularly in the realm of artificial intelligence and renewable energy.

Career Highlights: Throughout his career, David E Edgren has been recognized for his groundbreaking inventions that have significantly impacted the industry. His dedication to pushing the boundaries of innovation has led to numerous successful patents.

Collaborations: David E Edgren has collaborated with leading tech companies and research institutions to further develop his inventions. His ability to work in multidisciplinary teams has resulted in the creation of cutting-edge technologies.

Conclusion: In conclusion, David E Edgren's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a pioneering inventor in El Granada, California.