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For the Inventor, By the Inventor

Alamo, CA, United States of America

Peter Y Ngai

This inventor holds 14 USPTO granted patents, primarily in Lighting Technology. Top assignees: Peerless Lighting Corporation, Nsi Enterprises, Inc., Herst Lighting Co.. Active years: 1983-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Peter Y Ngai. Retrieved from https://idiyas.com/inventor/peter-y-ngai

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

Calculating rank
USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 12

Forward Citations = 441(Granted Patents)


Location History:

  • Lafayette, CA (US) (1987)
  • Danville, CA (US) (1983 - 1993)
  • Alamo, CA (US) (1995 - 2000)

Company Filing History:

goldMedal9 out of 47 
 
Peerless Lighting Corporation
 patents
silverMedal2 out of 77 
 
Nsi Enterprises, Inc.
 patents
bronzeMedal1 out of 3 
 
Herst Lighting Co.
 patents
4. 1 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1983-2000

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Areas of Expertise:
Luminaire Housing
Indirect Luminaire
Brightness Control
Light Distribution
Lensed Reflector
Fluorescent Lighting
Task Light
Lighting Fixture
Down Light Control
Lighting Technology
Light Control
Linear Light Media
14 patents (USPTO):Explore Patents
1. D435310 - Luminaire housing (2000-12-19),
2. 6056416 - Indirect luminaire having an upper reflector for improved brightness (2000-05-02),
3. 5884994 - Direct-indirect luminaire with improved down light control (1999-03-23),
4. 5530628 - Task light (1996-06-25),
5. D362315 - Direct indirect fluorescent lighting fixture (1995-09-12),
6. 5192128 - Lensed luminaire with lens brightness control and method (1993-03-09),
7. 5051878 - Luminaire having a lensed reflector system for improved light (1991-09-24),
8. 4939627 - Indirect luminaire having a secondary source induced low brightness lens (1990-07-03),
9. 4698734 - Lensed indirect luminaire with side angle brightness control (1987-10-06),
10. 4667275 - Luminaire for indirect lighting (1987-05-19),
11. 4660131 - Method for indirect lighting (1987-04-21),
12. 4644454 - Lensed indirect luminaire having improved light distribution control (1987-02-17),
13. 4573111 - Linear light passing media having certain striped characteristics (1986-02-25),
14. 4390930 - Indirect lighting fixture with improved light control (1983-06-28),

Title: The Innovative Contributions of Peter Y Ngai

Introduction

Peter Y Ngai is a notable inventor based in Alamo, California, with a remarkable portfolio of 14 patents. His work primarily focuses on advancements in lighting technology, showcasing his commitment to innovation and design.

Latest Patents

One of his latest patents is for a luminaire housing that features an indirect luminaire with an upper reflector designed for improved brightness. This innovative design includes a housing with a top opening and a light source positioned within. The luminaire is equipped with an exposed lens reflector system that captures and redirects light from above the source. The system consists of an outer refracting lens element, which is observable from below, and a diffuse reflector substrate that enhances the light distribution pattern. This design allows for controlled brightness characteristics, making it a significant advancement in lighting technology.

Career Highlights

Throughout his career, Peter has worked with several companies, including Peerless Lighting Corporation and Nsi Enterprises, Inc. His experience in these organizations has contributed to his expertise in the field of lighting design and innovation.

Collaborations

Peter has collaborated with notable individuals in his field, including Douglas J Herst and Utkan Salman. These partnerships have likely enriched his work and led to further advancements in his projects.

Conclusion

Peter Y Ngai's contributions to the field of lighting technology through his patents and collaborations highlight his innovative spirit and dedication to improving design and functionality. His work continues to influence the industry and inspire future advancements.

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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