Kennett Square, PA, United States of America

William Frietze

This inventor holds 17 USPTO granted patents and 9 published patent applications, plus 3 CIPO patents and 5 EPO patents, primarily in Pharmaceutical Compounds. Top assignees: Incyte Corporation, Incyte Holdings Corporation, Bristol-Myers Squibb Pharma Company. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William Frietze. Retrieved from https://idiyas.com/inventor/william-frietze

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

Calculating rank

USPTO Granted Patents = 17 (Patent Applications = 9)

% Patents Active = 82.4

CIPO Patents = 3 (Patent Applications = 5)

EPO Patents = 5 (Patent Applications = 13)

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 104(Granted Patents)

Location History:

Wilmington, DE (US) (2011 - 2015)
Kenneth Square, PA (US) (2021 - 2023)
Kennett Square, PA (US) (2002 - 2024)

Company Filing History:

Incyte Holdings Corporation

patents

3 out of 234

Bristol-Myers Squibb Pharma Company

Bristol-Myers Squibb Compnay

patents

6. 1 out of 834,601

Other

patents

where one patent can have more than one assignee

Years Active: 2002-2026

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Areas of Expertise:

FGFR Inhibitor

PI3K Inhibitor

BET Protein Inhibitor

Indoleamine 2,3-Dioxygenase

Ethanamine Compounds

CRF Antagonists

Oxime Ethers

Imidazo-Pyridines

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12552792 - SOLID FORMS OF AN FGFR INHIBITOR AND PROCESSES FOR PREPARING THE SAME (2026-02-17),

2. 12024522 - Salts and processes of preparing a PI3K inhibitor (2024-07-02),

3. 11787784 - Solid forms of an HPK1 inhibitor (2023-10-17),

4. 11066394 - Solid forms of an HPK1 inhibitor (2021-07-20),

5. 10858372 - Amorphous solid form of a BET protein inhibitor (2020-12-08),

6. 10329305 - Amorphous solid form of a BET protein inhibitor (2019-06-25),

7. 10280157 - Process for the synthesis of an indoleamine 2,3-dioxygenase inhibitor (2019-05-07),

8. 9873688 - Process for the synthesis of an indoleamine 2,3-dioxygenase inhibitor (2018-01-23),

9. 9321755 - Process for the synthesis of an indoleamine 2,3-dioxygenase inhibitor (2016-04-26),

10. 9035065 - Ethanamine compounds and methods of using the same (2015-05-19),

11. 8013165 - Ethanamine compounds and methods of using the same 545 (2011-09-06),

12. 6589958 - Isoxazolo [4,5-d] pyrimidines as CRF antagonists (2003-07-08),

13. 6579876 - Imidazo-pyridines, -pyridazines, and -triazines as corticotropin releasing factor antagonists (2003-06-17),

14. 6521636 - Imidazo-pyridines as corticotropin releasing factor antagonists (2003-02-18),

15. 6509338 - Pyrazolo[1,5-A]triazine corticotropin releasing factor antagonists (2003-01-21),

Title: The Innovative Contributions of William Frietze

Introduction

William Frietze is a notable inventor based in Kennett Square, Pennsylvania. He has made significant contributions to the field of pharmaceuticals, particularly in the development of inhibitors for various diseases. With a total of 16 patents to his name, Frietze's work has had a substantial impact on medical research and treatment options.

Latest Patents

Among his latest patents is a process for preparing a PI3K inhibitor, specifically (R)-4-(3-((S)-1-(4-amino-3-methyl-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl)-5-chloro-2-ethoxy-6-fluorophenyl)pyrrolidin-2-one. This compound is useful as an inhibitor of phosphoinositide 3-kinase-delta (PI3Kδ). Another significant patent involves solid forms of an HPK1 inhibitor, which relates to salt forms of hematopoietic progenitor kinase 1 (HPK1) inhibitors. These compounds are essential in the treatment of HPK1 mediated diseases, including cancer.

Career Highlights

William Frietze has worked with prominent companies in the pharmaceutical industry, including Incyte Corporation and Incyte Holdings Corporation. His experience in these organizations has allowed him to contribute to groundbreaking research and development in the field of drug discovery.

Collaborations

Throughout his career, Frietze has collaborated with talented individuals such as Jiacheng Zhou and Zhongjiang Jia. These partnerships have fostered innovation and have been instrumental in advancing his research projects.

Conclusion

William Frietze's contributions to the field of pharmaceuticals through his numerous patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of treatments for critical health issues.

Profile summary based on public USPTO records.