Trademarks = 7

Forward Citations = 34

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7 inventors (with patents filed for the assignee):

John B Hartley (4 out of 4 patents)

Ralph E Johnson (4 out of 17 patents)

Charles Robert Ragsdale (2 out of 11 patents)

4. William Joseph Lang (2 out of 2 patents)

5. Jianwen Lei (1 out of 10 patents)

6. Alexandrina Anghelus (1 out of 1 patent)

7. Muralidhar Theegala (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 11739892 - Highly waterproof and highly insulative simple injection-molded integrated lamp string without conventional lamp holder and manufacturing process tthererof (2023-08-29),

2. 7106002 - Light bulb with glass envelope having light transmission of a wavelength only up to 700 nm (2006-09-12),

3. 6661168 - Low voltage incandescent lamp with dual envelope (2003-12-09),

4. 5800235 - Process for manufacturing incandescent lamps having gettering agents (1998-09-01),

5. 5686786 - Light bulb with glass envelope having light transmission of a wavelength (1997-11-11),

6. 5659222 - Vacuum sealed incandescent lamp with improved filament support structure (1997-08-19),

7. 5382874 - Self-aligning light directing surface mountable miniature incandescent (1995-01-17),

8. 5138226 - Surface mountable miniature incandescent light (1992-08-11),

Company Overview

Illumination Technology, Inc. is a leading provider of innovative lighting solutions for residential, commercial, and industrial applications. With a focus on energy efficiency and sustainability, we offer a wide range of LED lighting products that are designed to enhance spaces while reducing energy costs. Our team of experienced professionals is committed to delivering high-quality products and exceptional customer service.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#13 in Cypress, CA

#8,540 in California

#35,924 in US

Cypress, CA, United States of America

Illumination Technology, Inc.

Forward Citations = 34

7 inventors:

John B Hartley (4 out of 4 patents)

Ralph E Johnson (4 out of 17 patents)

Charles Robert Ragsdale (2 out of 11 patents)

4. William Joseph Lang (2 out of 2 patents)

5. Jianwen Lei (1 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Illumination Technology, Inc.. Retrieved from https://idiyas.com/company/illumination-technology

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

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]