Stephen B Howell

This inventor holds 18 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Drug Delivery Systems. Top assignees: Research Development Foundation, Depotech Corporation, University of California. Active years: 1993-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen B Howell. Retrieved from https://idiyas.com/inventor/stephen-b-howell

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

Calculating rank

USPTO Granted Patents = 18 (Patent Applications = 1)

% Patents Active = 94.4

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 2.6

ph-index = 8

Forward Citations = 382(Granted Patents)

Location History:

Del Mar, CA (US) (1993 - 2013)
La Jolla, CA (US) (2021 - 2024)

Company Filing History:

7 out of 299

Research Development Foundation

University of California

patents

4. 2 out of 12

Chemex Pharmaceuticals, Inc.

Years Active: 1993-2024

Loading Chart...

Areas of Expertise:

Cytotoxic Constructs

Drug Delivery

Multivesicular Liposomes

Cancer Therapies

Fluorescent Protein

Chemotherapeutics

Biologically Active Substances

Neurological Disorders

Platinum Therapy

Drug Resistance

GADD153 Promoter

Anti-Neoplastic Efficacy

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11913043 - Cell-targeted cytotoxic constructs (2024-02-27),

2. 11193117 - Cell-targeted cytotoxic constructs (2021-12-07),

3. 8575359 - Acid-sensitive linkers for drug delivery (2013-11-05),

4. 6344324 - Quantification of cellular injury using expression of a fluorescent protein under the control of the GADD153 promoter (2002-02-05),

5. 6288111 - Combination cisplatin/tamoxifen therapy for human cancers (2001-09-11),

6. 6071534 - Multivesicular liposomes with controlled release of active agents (2000-06-06),

7. 5928926 - Isolation and cloning of the human ARSA-I gene and uses thereof (1999-07-27),

8. 5844001 - Combination platinum chemotherapeutic/antiestrogen therapy for human (1998-12-01),

9. 5807572 - Multivesicular liposomes having a biologically active substance (1998-09-15),

10. 5770430 - Cellular injury response element and uses thereof (1998-06-23),

11. 5723147 - Multivesicular liposomes having a biologically active substance (1998-03-03),

12. 5597798 - Taxol and epidermal growth factor used to enhance treatment of ovarian (1997-01-28),

13. 5576018 - Method for treating neurological disorders (1996-11-19),

14. 5541232 - Treatment of multidrug resistant diseases (1996-07-30),

15. 5455044 - Method for treating neurological disorders (1995-10-03),

Title: The Inventor Stephen B Howell: Pioneering Innovations in Del Mar

Introduction: Stephen B Howell is a distinguished inventor based in Del Mar, California. With a passion for technological advancements, he has made significant contributions to the field of innovation.

Latest Patents: Stephen B Howell holds several patents in various industries, showcasing his versatility and creativity in inventing new solutions to complex problems.

Career Highlights: Throughout his career, Stephen B Howell has demonstrated a keen ability to transform ideas into tangible inventions. His innovative spirit has led to groundbreaking developments that have positively impacted numerous sectors.

Collaborations: Stephen B Howell has collaborated with leading experts in the industry, fostering a culture of innovation and knowledge-sharing. His partnerships have been instrumental in bringing revolutionary concepts to life.

Conclusion: Stephen B Howell's dedication to innovation and his remarkable track record of successful inventions solidify his position as a trailblazer in the world of technology. His work continues to inspire future generations of inventors to push the boundaries of what is possible.

Profile summary based on public USPTO records.