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For the Inventor, By the Inventor

Sudbury, MA, United States of America

Romano G Pappalardo

This inventor holds 15 USPTO granted patents. Top assignees: Gte Laboratories Incorporated, Gte Products Corporation. Active years: 1979-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Romano G Pappalardo. Retrieved from https://idiyas.com/inventor/romano-g-pappalardo

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 194(Granted Patents)


Company Filing History:

goldMedal12 out of 937 
 
Gte Laboratories Incorporated
 patents
silverMedal4 out of 1,770 
 
Gte Products Corporation
 patents
where one patent can have more than one assignee

Years Active: 1979-2000

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15 patents (USPTO):Explore Patents
1. 6137217 - Fluorescent lamp with improved phosphor blend (2000-10-24),
2. 5854533 - Fluorescent lamps with high color-rendering and high brightness (1998-12-29),
3. 5838101 - Fluorescent lamp with improved CRI and brightness (1998-11-17),
4. 5524016 - Optical emitter for amplification and process for making same (1996-06-04),
5. 4979893 - Method of coating yttrium vanadate phosphors with Al.sub.2 O.sub.3 (1990-12-25),
6. 4952422 - A method of coating a layer of an yttrium vanadate phosphor contained in (1990-08-28),
7. 4772417 - Process for preparing high-brightness yellow-emitting triboluminescent (1988-09-20),
8. 4757233 - Efficient UV-emitting phosphors based on cerium-activated calcium (1988-07-12),
9. 4749513 - Green emitting phosphor (1988-06-07),
10. 4647399 - Process for producing Ce-Mn coactivated fluoroapatite phosphors as the (1987-03-03),
11. 4594178 - Process for producing a yellow emitting phosphor (1986-06-10),
12. 4446049 - Yellow-emitting halophosphate phosphor of improved brightness and method (1984-05-01),
13. 4307321 - Red emitting phosphor with slow exponential decay (1981-12-22),
14. 4306173 - Phosphor with extended fluorescence decay lifetime and lamp based thereon (1981-12-15),
15. 4134851 - Aluminophosphate luminescent glass (1979-01-16),

Title: The Innovative Contributions of Romano G Pappalardo

Introduction

Romano G Pappalardo is a notable inventor based in Sudbury, MA (US), recognized for his significant contributions to the field of lighting technology. With a total of 15 patents to his name, Pappalardo has made remarkable advancements in the design and functionality of fluorescent lamps.

Latest Patents

Among his latest innovations is a fluorescent lamp featuring an improved phosphor blend. This lamp incorporates at least one layer of a four-component phosphor blend, which produces visible illumination with a white color. The quad-phosphor blend consists of two red-emitting phosphor components, each with a different visible emission spectrum primarily in the 590 to 630 nm wavelength range. Additionally, it includes a blue-emitting phosphor component with an emission spectrum in the 430 to 490 nm range, and a no-rare-earth green-emitting phosphor component with an emission spectrum in the 500 to 570 nm range. The specific proportions of these phosphor components enhance the color rendering index compared to traditional tri-component blends. Another notable patent involves fluorescent lamps that utilize metameric blends of lamp phosphors to convert ultraviolet radiation into visible illumination, achieving high color-rendering and brightness.

Career Highlights

Pappalardo has had a distinguished career, working with prominent companies such as GTE Laboratories Incorporated and GTE Products Corporation. His work has significantly influenced the development of advanced lighting solutions, showcasing his expertise in the field.

Collaborations

Throughout his career, Pappalardo has collaborated with esteemed colleagues, including Thomas E Peters and Roger B Hunt, Jr. These partnerships have contributed to the innovative advancements in lighting technology.

Conclusion

Romano G Pappalardo's contributions to the field of fluorescent lighting are noteworthy, with his innovative patents paving the way for enhanced illumination solutions. His work continues to impact the industry positively, demonstrating the importance of innovation in technology.

Profile summary based on public USPTO records.
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]
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