Anan, Japan

Keiji Emura

This inventor holds 54 USPTO granted patents and 4 published patent applications and 14 EPO patents, primarily in Light Emitting Devices. Top assignee: Nichia Corporation. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Emura. Retrieved from https://idiyas.com/inventor/keiji-emura

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

USPTO Granted Patents = 54 

% Patents Active = 98.1

 

Average Co-Inventor Count = 2.1

ph-index = 9

Forward Citations = 153(Granted Patents)

Forward Citations (Not Self Cited) = 115(Dec 10, 2025)


Location History:

  • Naruto, JP (2011 - 2022)
  • Anan, JP (2013 - 2024)
  • Tokushima, JP (2024)

Company Filing History:


Years Active: 2011-2026

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Areas of Expertise:
Light Emitting Element
Light Emitting Device
Planar Light Source
Semiconductor Light Emitting Element
Light Emitting Module
Surface Light Source
Wavelength Conversion
Light Guide Plates
Multiple Light Emitting Cells
Liquid-Crystal Display Device
54 patents (USPTO):Explore Patents

Sure, I can help with that. Here's an article about inventor Keiji Emura:

Title: Innovator Spotlight: Keiji Emura - Revolutionizing Light-Emitting Devices

Introduction:

Keiji Emura, a talented inventor hailing from Anan, Japan, has made significant contributions to the field of light-emitting devices. With an impressive portfolio of 46 patents under his belt, Emura continues to push the boundaries of innovation in the realm of lighting technology.

Latest Patents:

Among his recent inventions is a groundbreaking Light-Emitting Device. This device features a unique design that includes a light-emitting element, a light guide member, a diffuser plate, and a metal pattern. The proportion of the diffuser plate not occupied by the metal pattern increases with distance from the light-emitting element, ensuring optimal light diffusion. Additionally, Emura's Light Emitting Module and Planar Light Source offer enhanced lighting solutions through carefully engineered light guide components.

Career Highlights:

Emura is currently associated with Nichia Corporation, a renowned player in the lighting industry. His expertise and innovative spirit have undoubtedly contributed to the company's success and reputation for cutting-edge lighting solutions.

Collaborations:

Throughout his career, Emura has worked alongside esteemed colleagues such as Takuya Nakabayashi and Yoshiki Inoue. These collaborations have not only fueled his creativity but have also led to the development of groundbreaking technologies in the field of light-emitting devices.

Conclusion:

Keiji Emura's relentless pursuit of innovation and his commitment to excellence have solidified his position as a trailblazer in the realm of light-emitting devices. With a keen eye for detail and a passion for pushing the boundaries of technological advancement, Emura continues to inspire and impress with his revolutionary inventions.

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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