For the Inventor, By the Inventor

Enter assignee name

Chicago, IL, United States of America

Lj Laboratories LLC

USPTO Granted Patents = 46

% Expired Patents = 17.4

Forward Citations = 2,474

Loading Chart...

Loading Chart...

6 inventors (with patents filed for the assignee):

Alan R Loudermilk (45 out of 118 patents)

Wayne D Jung (42 out of 91 patents)

Russell W Jung (40 out of 86 patents)

4. Alan R Loudermink (1 out of 1 patent)

5. Wayne DeJung (1 out of 1 patent)

6. Wayne L Jung (1 out of 1 patent)

Core Competencies:

Optical Characteristics

Spectrometric Apparatus

Teeth Measurement

Integrated Spectrometer

Counterfeiting Detection

Color Measurement

Audio Message Device

Optical Properties

46 patents: Sort by Forward Citations

1. 6590660 - Apparatus and method for measuring optical characteristics of an object (2003-07-08),

2. 6583866 - Spectrometric apparatus and method for measuring optical characteristics of an object (2003-06-24),

3. 6573984 - Apparatus and method for measuring optical characteristics of teeth (2003-06-03),

4. 6570654 - Apparatus and method for measuring optical characteristics of an object (2003-05-27),

5. 6538726 - Apparatus and method for measuring optical characteristics of an object (2003-03-25),

6. 6519037 - Spectrometer having optical unit including a randomized fiber optic implement (2003-02-11),

7. 6501542 - Apparatus and method for measuring optical characteristics of an object (2002-12-31),

8. 6490038 - Apparatus and method for measuring optical characteristics of an object (2002-12-03),

9. 6449041 - Apparatus and method for measuring optical characteristics of an object (2002-09-10),

10. 6417917 - Apparatus and method for measuring optical characteristics of an object (2002-07-09),

11. 6414750 - Spectrometric apparatus and method for measuring optical characteristics of an object (2002-07-02),

12. 6393401 - Picture display device with associated audio message (2002-05-21),

13. 6381573 - Method for producing remotely a display device storing one or more audio messages (2002-04-30),

14. 6381017 - Apparatus and method for measuring optical characteristics of an object (2002-04-30),

15. 6377926 - Method for producing remotely a display device storing one or more audio messages (2002-04-23),

LJ Laboratories LLC is a biotechnology company focused on revolutionizing drug discovery. With cutting-edge research capabilities and advanced technologies, we aim to develop innovative drugs to address unmet medical needs. Our team of scientists and experts work diligently to discover novel therapeutics that can improve patients' lives. For more information about our company and our research, please visit our website.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

46 Patents

#107 in Chicago, IL

#412 in Illinois

#7,585 in US

#15,085 in the World

Chicago, IL, United States of America

Lj Laboratories LLC

Forward Citations = 2,474

6 inventors:

Alan R Loudermilk (45 out of 118 patents)

Wayne D Jung (42 out of 91 patents)

Russell W Jung (40 out of 86 patents)

4. Alan R Loudermink (1 out of 1 patent)

5. Wayne DeJung (1 out of 1 patent)

Please report any incorrect information to [email protected]

Loading…