Kanagawa, Japan

Takamasa Izawa

This inventor holds 15 USPTO granted patents and 6 EPO patents. Top assignees: Dexerials Corporation, Samsung Electronics Co., Ltd., Sony Corporation. Active years: 2012-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takamasa Izawa. Retrieved from https://idiyas.com/inventor/takamasa-izawa

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


% Patents Active = 93.3

 

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 53(Granted Patents)


Location History:

  • Tokyo, JP (2014 - 2015)
  • Tochigi, JP (2014 - 2018)
  • Kanagawa, JP (2012 - 2019)

Company Filing History:


Years Active: 2012-2019

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15 patents (USPTO):Explore Patents

Title: The Innovations of Takamasa Izawa

Introduction

Takamasa Izawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of phosphor technology, holding a total of 15 patents. His work focuses on enhancing the performance of light-emitting devices, particularly in the development of red and green-emitting phosphors.

Latest Patents

Izawa's latest patents include innovative methods for producing red phosphor and green-emitting phosphor particles. One of his notable inventions is a compound that contains silicon, aluminum, strontium, europium, nitrogen, and oxygen. This compound enables the creation of a red phosphor with strong luminous intensity and high luminance, which enhances the color gamut of white LEDs. Additionally, he has developed a method for manufacturing green-emitting phosphor particles, which involves producing a powder from europium and strontium compounds and mixing it with a gallium compound before firing.

Career Highlights

Throughout his career, Takamasa Izawa has worked with leading companies in the technology sector, including Dexerials Corporation and Sony Corporation. His expertise in phosphor technology has positioned him as a key figure in the development of advanced lighting solutions.

Collaborations

Izawa has collaborated with notable colleagues such as Tsuneo Kusunoki and Takahiro Igarashi. Their combined efforts have contributed to the advancement of phosphor technologies and their applications in various devices.

Conclusion

Takamasa Izawa's innovative work in phosphor technology has led to significant advancements in lighting solutions. His contributions continue to impact the industry, showcasing the importance of research and development in enhancing device performance.

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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