Tokyo, Japan

Minoru Soma

This inventor holds 1 USPTO granted patent and 2 EPO patents. Top assignee: Mitsubishi Chemical Corporation. Active years: 2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Minoru Soma. Retrieved from https://idiyas.com/inventor/minoru-soma-92wb1728

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2020

Loading Chart...
Loading Chart...
1 patent (USPTO):Explore Patents

Title: Minoru Soma: Innovator in Sintered Phosphor Technology

Introduction

Minoru Soma is a distinguished inventor based in Chiyoda-ku, Japan. He is known for his significant contributions to the field of light-emitting devices and sintered phosphor technology. With a focus on enhancing the performance of LED lighting, Soma has developed innovative solutions that address key challenges in the industry.

Latest Patents

Soma holds a patent for a sintered phosphor-composite designed for LEDs. This invention boasts high heat resistance, high thermal conductivity, high luminance, and high conversion efficacy. The patent details a light-emitting apparatus that utilizes this sintered phosphor-composite, along with an illumination apparatus and a vehicular headlamp. The composite includes a nitride phosphor and a fluoride inorganic binder, achieving an internal quantum efficiency of 60% or more when excited by blue light at a wavelength of 450 nm. Additionally, it has a transmittance of 20% or more at a wavelength of 700 nm.

Career Highlights

Minoru Soma is currently employed at Mitsubishi Chemical Corporation, where he continues to advance his research and development efforts. His work has positioned him as a key player in the field of lighting technology, particularly in the development of efficient and effective light-emitting devices.

Collaborations

Soma collaborates with notable colleagues, including Harumi Asami and Yukihiro Miyamoto. Their combined expertise contributes to the innovative projects at Mitsubishi Chemical Corporation.

Conclusion

Minoru Soma's contributions to sintered phosphor technology and light-emitting devices highlight his role as a leading inventor in the field. His innovative solutions continue to impact the lighting industry positively.

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]
Loading…