For the Inventor, By the Inventor

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Bellbrook, OH, United States of America

Jlj, Inc.

USPTO Granted Patents = 28

% Expired Patents = 85.7

Forward Citations = 307

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3 inventors (with patents filed for the assignee):

John Louis Janning (27 out of 59 patents)

Jean Lionel Georges Martin (1 out of 1 patent)

Jacques Lewiner (1 out of 74 patents)

Core Competencies:

LED Light Strings

Christmas Trees

Voltage Regulation

Reverse Voltage Protection

Transistor Bypass

Capacitor Shunt

Thermistor Shunt

Filament Shunting

DC Operation

Zener Diode

Circuit Tester

Flasher Bulbs

28 patents: Sort by Forward Citations

1. 10091843 - Christmas tree with DC outlets for powering LED light strings (2018-10-02),

2. 9781792 - Low cost LED light string for pre-lit christmas trees (2017-10-03),

3. RE46396 - Full wave low flicker LED light string (2017-05-01),

4. 9510423 - Resistive protection to prevent reverse voltage breakdown in anti-parallel wired LEDs (2016-11-29),

5. 9433057 - Resistive protection to prevent reverse voltage breakdown in anti-parallel wired LEDs (2016-08-30),

6. 9351383 - DC operated Christmas light string (2016-05-24),

7. 8766543 - LED with internal bypass transistor (2014-07-01),

8. 8736182 - Full wave low flicker LED light string (2014-05-27),

9. 8654549 - Battery polarity control system (2014-02-18),

10. 8415887 - Transistor bypass shunts for LED light strings (2013-04-09),

11. 8324820 - Capacitor shunted LED light string (2012-12-04),

12. 7732942 - Flasher bulbs with shunt wiring for use in series connected light string with filament shunting in bulb sockets (2010-06-08),

13. 7391161 - Series wired light string with unidirectional shunts (2008-06-24),

14. 7342327 - Series connected light string with filament shunting (2008-03-11),

15. 7339325 - Series wired light string with unidirectional resistive shunts (2008-03-04),

Jlj, Inc. is a technology-focused company based in Bellbrook, Ohio, specializing in the development and manufacturing of innovative solutions across various sectors. The organization is known for its expertise in advanced engineering and product design, catering to industries that require high-performance materials and precision components. With a commitment to research and development, Jlj, Inc. aims to drive technological advancements and deliver quality products that meet the evolving needs of its clients.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

28 Patents

#1 in Bellbrook, OH

#530 in Ohio

#11,997 in US

#23,244 in the World

Bellbrook, OH, United States of America

Jlj, Inc.

Forward Citations = 307

3 inventors:

John Louis Janning (27 out of 59 patents)

Jean Lionel Georges Martin (1 out of 1 patent)

Jacques Lewiner (1 out of 74 patents)

Please report any incorrect information to [email protected]

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