Tamas Kosa

This inventor holds 22 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 7 EPO patents, primarily in Optical Devices. Top assignees: Alphamicron, Inc., Essilor International (Compagnie Generale D'optique). Active years: 2001-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamas Kosa. Retrieved from https://idiyas.com/inventor/tamas-kosa

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

USPTO Granted Patents = 22 (Patent Applications = 3)

% Patents Active = 81.8

CIPO Patents = 1

EPO Patents = 7 (Patent Applications = 5)

Average Co-Inventor Count = 4.5

ph-index = 8

Forward Citations = 333(Granted Patents)

Location History:

Kent, OH (US) (2001 - 2006)
Hudson, OH (US) (2009 - 2019)

Company Filing History:

Essilor International (Compagnie Generale D'optique)

patents

where one patent can have more than one assignee

Years Active: 2001-2019

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Areas of Expertise:

Variable Light Attenuation

Liquid Crystal Devices

Dichroic Dyes

Optical Control

Photochromic Materials

Eyewear Technology

Adaptive Vision Protection

Multi-Functional Devices

Solar Powered Optics

Directional Emission

Interconnection Tabs

Optical Arrangements

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10310349 - Variable light attenuating devices and arrangements (2019-06-04),

2. 10095052 - Electronically switchable optical device with a multi-functional optical control apparatus and methods for operating the same (2018-10-09),

3. 9513524 - Wide band variable transmittance optical device (2016-12-06),

4. 9411174 - Electronically switchable optical device with a multi-functional optical control apparatus and methods for operating the same (2016-08-09),

5. 9335565 - Attachable optical element arrangements and methods (2016-05-10),

6. 9303209 - Continuous wave directional emission liquid crystal structures and devices (2016-04-05),

7. 9249136 - 3H-naphtho [2,1-B] pyrans as photochromic dichroic dyes and optical article containing them (2016-02-02),

8. 9200203 - Phototropic liquid crystal material and processes (2015-12-01),

9. 9134551 - Wide band variable transmittance optical device and mixture (2015-09-15),

10. 9130097 - Solar powered variable light attenuating devices and arrangements (2015-09-08),

11. 9116370 - Liquid crystal light variable device (2015-08-25),

12. 9102652 - Dichroic-photochromic 2H-naphtho[1,2-b]pyran compounds and devices (2015-08-11),

13. 8697890 - Dichroic-photochromic 2H-naphtho[1,2-b]pyran compounds and devices (2014-04-15),

14. 8562130 - Interconnection tab used with optical devices (2013-10-22),

15. 8231995 - Power unit assembly for use with a liquid crystal eyewear device (2012-07-31),

Title: The Innovative Contributions of Tamas Kosa in Optical Technologies

Introduction: Tamas Kosa, an accomplished inventor based in Hudson, OH, has made significant strides in the field of optical technologies with a portfolio of 22 patents. His innovative spirit and technical expertise have positioned him as a key figure in developing advanced devices that enhance light management and optical control.

Latest Patents: Among his recent innovations, Kosa's patent for "Variable Light Attenuating Devices and Arrangements" stands out. This device employs a guest-host solution composed of a liquid crystal host and a guest dichroic dye that can switch between different light-transmitting orientations based on applied voltage. Through this mechanism, users can achieve varying degrees of light attenuation, making it a powerful tool for numerous applications.

Another notable patent is for an "Electronically Switchable Optical Device with a Multi-Functional Optical Control Apparatus." This invention comprises electronically controllable eyewear that utilizes a liquid crystal material, allowing users to operate the device in either automatic or manual modes. The inclusion of a photosensor and multifunctional control options enhances user experience by enabling seamless transitions between various operational states.

Career Highlights: Kosa's professional journey showcases his commitment to innovation within the optical technology sector. His tenure at esteemed companies, such as Alphamicron, Inc. and Essilor International, reflects his capabilities in developing cutting-edge technologies that have practical applications in modern optics. His contributions have been instrumental in pushing the boundaries of what is possible in optical devices.

Collaborations: Tamas Kosa has collaborated with several notable professionals, including Bahman Taheri and Ludmila Sukhomlinova. These partnerships have fostered a rich exchange of ideas and expertise, further enhancing the depth and breadth of his innovative undertakings.

Conclusion: Tamas Kosa's extensive work in the realm of optical technologies exemplifies the impact of innovation on everyday life. With a robust patent portfolio and a commitment to advancing the field, Kosa continues to inspire future generations of inventors and researchers striving to improve optical solutions for various applications. His dedication to innovation remains evident in his ongoing contributions to the industry.

Profile summary based on public USPTO records.