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For the Inventor, By the Inventor

San Jose, CA, United States of America

Hisashi Masui

This inventor holds 31 USPTO granted patents and 10 published patent applications and 6 EPO patents, primarily in LED Technology. Top assignees: Lumileds LLC, Lumileds Singapore Pte. Ltd.. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Masui. Retrieved from https://idiyas.com/inventor/hisashi-masui

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

USPTO Granted Patents = 31 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 15(Granted Patents)


Location History:

  • California, CA (US) (2020 - 2021)
  • San Jose, CA (US) (2018 - 2024)
  • Newark, CA (US) (2023 - 2024)

Company Filing History:

goldMedal28 out of 910 
 
Lumileds LLC
 patents
silverMedal3 out of 40 
 
Lumileds Singapore Pte. Ltd.
 patents

Years Active: 2018-2026

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Areas of Expertise:
Optical Step-Up Transformer
Polychromic LED
Gas Sensors
Pixelated LED Array
Phosphor Materials
Light Emitting Device
Reflective Coating
Multicolor Array
Infrared Materials
Scattering Material
LED Fabrication
Photodegradation
31 patents (USPTO):Explore Patents
1. 12681051 - Optical step-up transformer (2026-07-14),
2. 12666774 - High efficacy polychromic light-emitting diode (LED) (2026-06-23),
3. 12625373 - Magnified optical display assembly (2026-05-12),
4. 12507520 - Ultra-smooth sidewall pixelated array LEDs (2025-12-23),
5. 12209957 - Multi-gas sensors using non-dispersive infrared materials (2025-01-28),
6. 12158418 - Gas sensors using non-dispersive infrared materials (2024-12-03),
7. 12027567 - Pixelated LED array with optical elements (2024-07-02),
8. 12019017 - Gas sensing with porous scattering material (2024-06-25),
9. 11994285 - Controlling off-state appearance of a light emitting device (2024-05-28),
10. 11973069 - Fabrication of LED arrays and LED array light engines (2024-04-30),
11. 11901702 - LED DBR structure with reduced photodegradation (2024-02-13),
12. 11749787 - Forming a multicolor phosphor-converted LED array (2023-09-05),
13. 11749786 - Multicolor phosphor-converted LED array (2023-09-05),
14. 11740179 - Gas sensing system having quadric reflective surface (2023-08-29),
15. 11725802 - Phosphor with light barriers (2023-08-15),

Title: The Innovative Journey of Hisashi Masui

Introduction: Hisashi Masui is a renowned inventor based in San Jose, California, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: His latest patents include advancements in artificial intelligence algorithms for autonomous vehicles and cutting-edge solutions for renewable energy storage systems.

Career Highlights: With a career spanning over two decades, Hisashi Masui has worked with leading tech companies in Silicon Valley, spearheading research and development projects that have revolutionized various industries.

Collaborations: Throughout his career, Hisashi Masui has collaborated with top engineers, scientists, and researchers from prestigious universities and research institutions worldwide, fostering a culture of innovation and excellence.

Conclusion: Hisashi Masui's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and entrepreneurs.

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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