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Berlin, Germany

David N Stephens

USPTO Granted Patents = 18

Average Co-Inventor Count = 6.5

ph-index = 6

Forward Citations = 104(Granted Patents)

Company Filing History:

17 out of 1,384

Schering Aktiengesellschaft

Schering Aktiengeseellschaft

Years Active: 1988-2001

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6288065 - Quinoxaline-carboxylic acid derivatives (2001-09-11),

2. 6191132 - Use of quisqualate receptor antagonists (2001-02-20),

3. 6057304 - Quinoxaline-phosphonic acid derivatives (2000-05-02),

4. 5698555 - Hetaryloxy-.beta.-carbolines, their production and use in pharmaceutical (1997-12-16),

5. 5614509 - Pharmaceutical agents for preventing the development of tolerance during (1997-03-25),

6. 5385903 - Pharmaceutical agent for treatment of withdrawal symptoms (1995-01-31),

7. 5348958 - Hetaryloxy-.beta.-carbolines, and use as pharmaceutical agents for (1994-09-20),

8. 4987146 - N-hetaryl imidazole derivatives (1991-01-22),

9. 4960777 - Heteroaryloxy-.beta.-carboline derivatives, their preparation and their (1990-10-02),

10. 4952698 - Imidazole derivatives (1990-08-28),

11. 4945090 - Phenoxy-substituted beta-carboline derivatives, their production and (1990-07-31),

12. 4933345 - Isoxazole-.beta.-carboline derivatives (1990-06-12),

13. 4877792 - Heteroaryloxy-beta-carboline derivatives, their preparation and their (1989-10-31),

14. 4855295 - Tetrahydro-beta-carbolines, and their use as drugs (1989-08-08),

15. 4778800 - 3-oxadiazole and 3-carboxylic acid beta-carboline derivatives, and their (1988-10-18),

Title: David N Stephens - Innovative Inventor from Berlin

Introduction: David N Stephens is a renowned inventor based in Berlin, Germany, known for his groundbreaking contributions to various industries.

Latest Patents: David N Stephens holds several patents in the fields of technology, healthcare, and renewable energy, showcasing his diverse range of expertise.

Career Highlights: With over two decades of experience in the innovation sector, David N Stephens has led numerous successful projects that have revolutionized the way we approach modern challenges.

Collaborations: Throughout his career, David N Stephens has collaborated with leading research institutions, universities, and multinational companies to bring his inventions to life and make a lasting impact on society.

Conclusion: David N Stephens continues to inspire the next generation of inventors with his passion for pushing the boundaries of what is possible through innovation and creativity.

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