Ji Hye Lee

This inventor holds 99 USPTO granted patents and 38 published patent applications, plus 1 CIPO patent and 36 EPO patents, primarily in Amino Acid Production (CPC class C12N15-77). Top assignees: Cj Cheiljedang Corporation, Samsung Display Co., Ltd., Korea Institute of Machinery & Materials. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ji Hye Lee. Retrieved from https://idiyas.com/inventor/ji-hye-lee-qh4bcojb

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

USPTO Granted Patents = 99 (Patent Applications = 38)

% Patents Active = 93.9

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 36 (Patent Applications = 43)

Average Co-Inventor Count = 4.3

ph-index = 5

Forward Citations = 79(Granted Patents)

Forward Citations (Not Self Cited) = 57(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Uiwang-si, KR (2015 - 2017)
Busan, KR (2019)
Gyeongsangnam-do, KR (2020)
Daejeon, KR (2013 - 2021)
Changwon-si, KR (2021)
Suwon-si, KR (2018 - 2022)
Seoul, KR (2017 - 2023)
Gyeonggi-do, KR (2013 - 2024)
Incheon, KR (2017 - 2024)
Yongin-si, KR (2017 - 2024)
Anyang-si, KR (2019 - 2024)
Hwaseong-si, KR (2022 - 2024)

Company Filing History:

37 out of 972

Cj Cheiljedang Corporation

patents

34 out of 27,288

Samsung Display Co., Ltd.

patents

4 out of 365

Korea Institute of Machinery & Materials

Korea Gas Corporation

Samsung Sdi Co., Inc.

patents

10. 2 out of 1,784

Seoul National University

patents

11. 2 out of 109

Sk Biopharmaceuticals Co., Ltd.

patents

12. 1 out of 382

Dongwoo Fine-Chem Co., Ltd.

patents

13. 1 out of 12

Institut Pasteur Korea

patents

14. 1 out of 654

Korea Research Institute of Chemical Technology

Lg Life Sciences, Limited

patents

17. 1 out of 151

Lotte Advanced Materials Co., Ltd.

patents

18. 1 out of 132,108

Samsung Electronics Co., Ltd.

20. 3 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 2013-2026

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Areas of Expertise:

Amino Acids

Isopropylmalate Synthase

L-Leucine

Polypeptide Variant

Microorganism

Organic Light Emitting Diode

Display Device

Hydrogen Storage

Nucleic Acid Film

Citrate Synthase

Purine Nucleotide

Carbamate Compound

99 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12662689 - NOVEL PROMOTER AND METHOD FOR PRODUCING DESIRED SUBSTANCE USING SAME (2026-06-23),

2. 12655412 - PREPHENATE DEHYDRATASE VARIANT AND METHOD OF PRODUCING BRANCHED-CHAIN AMINO ACIDS USING THE SAME (2026-06-16),

3. 12553069 - Isopropylmalate synthase polypeptide variant and a method for producing L-leucine using the same (2026-02-17),

4. 12545937 - ISOPROPYLMALATE SYNTHASE VARIANT AND A METHOD OF PRODUCING L-LEUCINE USING THE SAME (2026-02-10),

5. 12522808 - NOVEL MODIFIED POLYPEPTIDE WITH ATTENUATED ACTIVITY OF CITRATE SYNTHASE AND METHOD FOR PRODUCING L-AMINO ACID USING THE SAME (2026-01-13),

6. 12442008 - Microorganisms with enhanced L-branched-chain amino acids productivity and method for producing L-branched-chain amino acids using the same (2025-10-14),

7. 12437710 - Display device having pixel circuit layer with transistors on different layers (2025-10-07),

8. 12433078 - Display device having decreased probaillity of short circuits (2025-09-30),

9. 12414447 - Display device (2025-09-09),

10. 12409164 - Orally disintegrated tablet comprising carbamate compound (2025-09-09),

11. 12371565 - Thermoplastic resin composition, method of preparing the same, and molded article including the same (2025-07-29),

12. 12329819 - Method for manufacturing nucleic acid film and apparatus for injecting medicine using nucleic acid film (2025-06-17),

13. 12327661 - Transparent conductor including nanostructure and manufacturing method thereof (2025-06-10),

14. 12275972 - Microorganism producing purine nucleotide and method of producing purine nucleotide using the same (2025-04-14),

15. 12269851 - Polypeptide and method of producing IMP using the same (2025-04-08),

Title: The Innovations of Ji Hye Lee: A Pioneer in Biopharmaceutical Research

Introduction: Ji Hye Lee, based in Anyang-si, South Korea, is a prominent inventor recognized for her significant contributions to the field of biopharmaceuticals. With an impressive portfolio of 39 patents, her innovative work has paved the way for advancements in therapeutic preparations and polypeptide technology.

Latest Patents: Among Ji Hye Lee's recent inventions are notable patents that address essential advancements in medicine. One such innovation is the "Parenteral liquid preparation comprising carbamate compound." This invention focuses on a parenteral liquid formulation that includes a carbamate compound, its isomers, or pharmaceutically acceptable variations, alongside a cyclodextrin derivative. Another significant patent is related to a "Polypeptide and method of producing IMP using the same,” which describes a novel polypeptide that facilitates the export of 5′-inosine monophosphate, along with methods for its production and export enhancement.

Career Highlights: Throughout her career, Ji Hye Lee has demonstrated remarkable expertise in her field. Her tenure at notable companies such as CJ CheilJedang Corporation and Dong-a St Co., Ltd. has equipped her with valuable experience in biopharmaceutical innovation. This background, combined with her inventive spirit, has allowed her to develop a diverse range of impactful solutions.

Collaborations: Ji Hye Lee has worked alongside talented individuals, including her esteemed colleagues Min Ji Baek and Hye Won Kim. Their collaborative efforts have further enriched her research and innovation journey, contributing to the successful development of her patented technologies.

Conclusion: Ji Hye Lee stands out as an influential inventor in the biopharmaceutical sector, with her extensive patent portfolio reflecting her commitment to advancing medical science. Her work continues to inspire innovation and collaboration in the industry, ensuring her contributions leave a lasting impact on the field.

Profile summary based on public USPTO records.