Kyun Il Rah

This inventor holds 56 USPTO granted patents and 5 published patent applications and 25 EPO patents, primarily in Optical Laminates. Top assignees: Lg Chem, Ltd, Lg Energy Solution, Ltd., Shanjin Optoelectronics (Suzhou) Co., Ltd.. Active years: 2013-2026.

USPTO Granted Patents = 56 (Patent Applications = 5)

% Patents Active = 98.2

EPO Patents = 25 (Patent Applications = 32)

Average Co-Inventor Count = 4.6

ph-index = 4

Forward Citations = 46(Granted Patents)

Forward Citations (Not Self Cited) = 42(Dec 10, 2025)

Company Filing History:

Lg Energy Solution, Ltd.

patents

3 out of 35

Shanjin Optoelectronics (Suzhou) Co., Ltd.

patents

Years Active: 2013-2026

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Areas of Expertise:

Negative Electrode Material

Optical Laminate

Electrode Quality Evaluation

Polarizing Plate

Liquid Crystal Display

Depolarization Region

Manufacturing Method

Reddening-Resistant Layer

Polarizer

Base Film

Display Device

Optical Functional Layer

56 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12613202 - Method for evaluating suitability of negative electrode active material (2026-04-28),

2. 12397527 - Optical laminate (2025-08-26),

3. 12352703 - Electrode quality evaluation method and electrode manufacturing method (2025-07-08),

4. 12337583 - Optical laminate (2025-06-24),

5. 12312511 - Mask film and method for manufacturing polarizing plate by using same (2025-05-27),

6. 12253703 - Reddening-resistant layer (2025-03-18),

7. 12216300 - Optical laminate comprising an optical functional layer and a porous layer (2025-02-04),

8. 12204127 - Optical laminate (2025-01-21),

9. 12202230 - Reddening-resistant layer (2025-01-21),

10. 12130456 - Optical laminate (2024-10-29),

11. 12124068 - Reddening-resistant layer (2024-10-22),

12. 12124067 - Optical laminate including reddening-resistant layer (2024-10-22),

13. 12085743 - Polarizing plate, liquid crystal panel and display device (2024-09-10),

14. 12083771 - Optical laminate (2024-09-10),

15. 12025822 - Reddening-resistant layer (2024-07-02),

Title: The Innovative Mind of Kyun Il Rah

Introduction: Kyun Il Rah is a pioneering inventor hailing from Daejeon, South Korea, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kyun Il Rah holds several patents in the realm of electronics and telecommunications, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: Throughout his illustrious career, Kyun Il Rah has been instrumental in developing cutting-edge technologies that have revolutionized the industry. His innovative solutions have not only improved efficiency but have also set new standards for excellence.

Collaborations: Kyun Il Rah has collaborated with leading research institutions and tech companies to further his inventions and bring them to the market. His ability to work in multidisciplinary teams has led to the successful implementation of his ideas on a global scale.

Conclusion: In conclusion, Kyun Il Rah stands as a visionary inventor whose passion for innovation has left an indelible mark on the world of technology. His relentless pursuit of excellence continues to inspire future generations of inventors and innovators.