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For the Inventor, By the Inventor

Philadelphia, PA, United States of America

Siegfried B Christensen, Iv

This inventor holds 63 USPTO granted patents, primarily in Pharmaceutical Chemistry (CPC class 5481). Top assignees: Smithkline Beecham Corporation, Glaxo Group Limited, Glaxosmithkline Intellectual Property (No.2) Limited. Active years: 1994-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Siegfried B Christensen, Iv. Retrieved from https://idiyas.com/inventor/siegfried-b-christensen-iv

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

USPTO Granted Patents = 63

% Patents Active = 74.6

Average Co-Inventor Count = 2.5

ph-index = 12

Forward Citations = 451(Granted Patents)

Forward Citations (Not Self Cited) = 409(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Philadelphia, PA (US) (1995 - 2003)
  • King of Prussia, PA (US) (1994 - 2006)
  • Collegeville, PA (US) (2003 - 2016)

Company Filing History:

goldMedal60 out of 2,198 
 
Smithkline Beecham Corporation
 patents
silverMedal1 out of 1,169 
 
Glaxo Group Limited
 patents
bronzeMedal1 out of 95 
 
Glaxosmithkline Intellectual Property (No.2) Limited
 patents
4. 1 out of 358 
 
Glaxosmithkline LLC
 patents
5. 1 out of 1 
 
Smithkline Beecham Pharma Gmbh
 patent
where one patent can have more than one assignee

Years Active: 1994-2016

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Areas of Expertise:
PDE Inhibitors
Cannabinoid Modulators
Anti-Inflammatory
Diacylglycerol Acyltransferase
Peptide Deformylase
COPD Treatment
Asthma Treatment
Fatty Acid Synthase
Cyclohexane Compounds
Allergic Diseases
Pyrazolo Compounds
Substituted Cyclohexanes
63 patents (USPTO):Explore Patents
1. 9242929 - Compounds as diacylglycerol acyltransferase inhibitors (2016-01-26),
2. 7919528 - Peptide deformylase inhibitors (2011-04-05),
3. 7709497 - Pyrazolo[3,4-b]pyridine compound, and its use as a PDE4 inhibitor (2010-05-04),
4. 7507726 - Peptide deformylase inhibitors (2009-03-24),
5. 7456211 - Peptide deformylase inhibitors (2008-11-25),
6. 7442793 - Peptide deformylase inhibitors (2008-10-28),
7. 7375120 - Peptide deformylase inhibitors (2008-05-20),
8. 7332485 - Peptide deformylase inhibitors (2008-02-19),
9. 7166624 - Peptide deformylase inhibitors (2007-01-23),
10. 7115605 - Peptide deformylase inhibitors (2006-10-03),
11. 7019003 - Peptide deformylase inhibitors (2006-03-28),
12. 6967220 - Peptide deformylase inhibitors (2005-11-22),
13. 6897233 - Peptide deformylase inhibitors (2005-05-24),
14. 6852882 - Peptide deformylase inhibitors (2005-02-08),
15. 6806369 - Peptide deformylase inhibitors (2004-10-19),

Title: The Innovative Journey of Siegfried B Christensen IV

Introduction:

Siegfried B Christensen IV is a prolific inventor based in Philadelphia, PA, with an impressive portfolio of 63 patents to his credit. His groundbreaking work has made a significant impact on various fields, particularly in the realm of pharmaceuticals and healthcare.

Latest Patents:

Among his latest patents, Christensen has developed compounds that serve as diacylglycerol acyltransferase inhibitors. These novel compounds play a crucial role in inhibiting acyl coenzymeA: diacylglycerol acyltransferase 1 (DGAT-1), offering therapeutic solutions for a range of diseases such as obesity, hyperlipoproteinemia, diabetes, and skin disorders. Additionally, he has pioneered peptide deformylase inhibitors, revolutionizing the field of PDF inhibitors with novel methods for their application.

Career Highlights:

Christensen's innovative spirit and dedication have been showcased through his tenure at renowned companies such as SmithKline Beecham Corporation and Glaxo Group Limited. His contributions to these organizations have been instrumental in driving forward advancements in pharmaceutical research and development.

Collaborations:

Throughout his career, Christensen has collaborated with esteemed professionals like Joseph M Karpinski and Paul E Bender. These partnerships have led to the creation of groundbreaking inventions and have strengthened the foundation of innovation in the industry.

Conclusion:

In conclusion, Siegfried B Christensen IV stands as a trailblazing inventor whose work has transformed the landscape of pharmaceuticals and healthcare. His pioneering patents and collaborative efforts underscore his commitment to driving progress and innovation in the field.

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]
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