Jean-Louis H Gueret

This inventor holds 410 USPTO granted patents and 17 published patent applications, plus 8 CIPO patents and 77 EPO patents, primarily in Cosmetic Applicators (CPC class 401129). Top assignees: L'oreal, Loreal Sa, L'institut Jeanne Piaubert. Active years: 1976-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jean-Louis H Gueret. Retrieved from https://idiyas.com/inventor/jean-louis-h-gueret

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

USPTO Granted Patents = 410 (Patent Applications = 17)

% Patents Active = 73.9

CIPO Patents = 8

EPO Patents = 77 (Patent Applications = 58)

Average Co-Inventor Count = 1.0

ph-index = 45

Forward Citations = 8,622(Granted Patents)

Forward Citations (Not Self Cited) = 7,485(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Parix, FR (1993)
Paris, FR (1976 - 2018)

Company Filing History:

L'institut Jeanne Piaubert

The Joint Stock Company 'L'oreal'

patent

Years Active: 1976-2018

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Areas of Expertise:

Cosmetic Composition

Eyelash Applicator

Eyebrow Applicator

Mascara Brush

Packaging Device

Vibrating Applicator

Keratinous Fibers

Makeup Application

Combing Device

Applicator Design

Cosmetic Packaging

Vibration Source

410 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10010151 - Packaging and applicator device for applying a cosmetic composition to the lips (2018-07-03),

2. 9723911 - Device for applying a composition to the eyelashes or the eyebrows (2017-08-08),

3. 9427075 - Applicator for combing the eyelashes or the eyebrows or for applying a composition thereto (2016-08-30),

4. 9277800 - Applicator for applying a composition to the eyelashes (2016-03-08),

5. 9254028 - Applicator and a packaging and applicator device including such an applicator (2016-02-09),

6. 9204705 - Device for applying to the skin (2015-12-08),

7. 9125474 - Applicator for applying a composition to the eyelashes or the eyebrows (2015-09-08),

8. 9107487 - Mascara brush (2015-08-18),

9. 9033605 - Packaging and applicator device (2015-05-19),

10. 9033604 - Applicator for applying a composition to the eyelashes or the eyebrows (2015-05-19),

11. 9011394 - Sheet structure having at least one colored surface (2015-04-21),

12. 8998522 - Packaging and applicator device (2015-04-07),

13. 8944714 - Applicator for combing the eyelashes and/or eyebrows or for applying a composition thereto (2015-02-03),

14. 8905050 - Applicator for applying a composition to the eyelashes or the eyebrows (2014-12-09),

15. 8894311 - Eyeliner applicator (2014-11-25),

Title: Jean-Louis H Gueret: Innovator in the World of Cosmetics

Introduction:

In the vibrant city of Paris, France, the world of cosmetics has been revolutionized by the ingenuity of Jean-Louis H Gueret. With a remarkable contribution of 127 patents to his name, Gueret has left an indelible mark on the cosmetic industry. This article delves into his latest patents, highlights his illustrious career, explores his collaborations, and pays tribute to his outstanding achievements.

Latest Patents:

One of Gueret's recent patents is for a colored cosmetic composition. This composition introduces a novel method of combining particulate fillers and colorants by coating part of the fillers with a polymer, resulting in a unique cosmetic product with enhanced properties and aesthetics. Additionally, Gueret has also patented a makeup brush and its manufacturing process. This brush design incorporates an innovative twisted core structure, ensuring optimal application and maximizing the efficiency of the bristles.

Career Highlights:

Gueret's affiliation with renowned cosmetic giant L'Oréal has been significant throughout his career. With his unwavering commitment to innovation, Gueret has contributed greatly to the development of groundbreaking cosmetic products. His expertise and creativity in formulating state-of-the-art compositions have not only elevated L'Oréal's product range but have also garnered recognition within the industry.

Collaborations:

Collaborations often breed remarkable results, and Gueret's collaborations have been no exception. Alongside Jean-Pierre Arraudeau and Bruno R Morane, Gueret has worked collectively to bring forth innovative solutions to the world of cosmetics. These collaborations have undoubtedly enhanced the creative process, sparking new ideas, and driving the industry forward.

Conclusion:

Jean-Louis H Gueret's astounding collection of 127 patents showcases his unwavering commitment to pushing the boundaries of innovation in the world of cosmetics. Through his inventive perspectives and strategic partnerships, he has contributed significantly to companies like L'Oréal and has inspired countless inventors and innovators. Gueret's legacy serves as a testament to the power of imagination and the transformative potential of patents, shaping the future of the cosmetics industry for years to come.

Disclaimer: Note that the information provided in this article about Jean-Louis H Gueret is based on available data. While efforts have been made to ensure accuracy, some details may be subject to change or further updates.

Profile summary based on public USPTO records.