Tokushima, Japan

Motokazu Yamada

This inventor holds 132 USPTO granted patents, plus 1 CIPO patent and 22 EPO patents, primarily in Light Emitting Devices (CPC class H01L25-0753). Top assignees: Nichia Corporation, Nichia Chemical Industries, Limited, Yanchers Corporation. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motokazu Yamada. Retrieved from https://idiyas.com/inventor/motokazu-yamada

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


% Patents Active = 81.8


 

Average Co-Inventor Count = 2.0

ph-index = 18

Forward Citations = 1,364(Granted Patents)

Forward Citations (Not Self Cited) = 1,299(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Anan, JP (1996 - 2020)
  • Tokushima, JP (2003 - 2024)

Company Filing History:


Years Active: 1996-2026

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Areas of Expertise:
Light-Emitting Device
Integrated Module
Planar Light Source
LED Package
Lighting Module
Reflective Member
Partitioning Member
Light Reflective Members
Light Transmissive Cover
Annular Lens Part
Backlight
132 patents (USPTO):Explore Patents

Title: Motokazu Yamada: Pioneering Innovator in Light-Emitting Devices

Introduction:

Motokazu Yamada, a visionary inventor based in Tokushima, Japan, is renowned for his relentless passion for innovation and his unwavering dedication to pushing the boundaries of what is possible in the world of inventions. With an impressive portfolio of 127 patents to his name, Motokazu Yamada continues to inspire future generations of inventors to think boldly and create fearlessly.

Latest Patents:

Among his latest patents are groundbreaking innovations in the field of light-emitting devices. One of his notable creations is an integrated light-emitting device that features a unique design with batwing light distribution characteristics. This device includes a base with conductive wiring, multiple light-emitting devices mounted on the base, a light reflective film, and light reflective members. A key feature is the ratio of the encapsulant's height to width, which is less than 0.5, ensuring optimal performance.

Another patent showcases a cutting-edge light emitting device that comprises a mounting board, a light source, a light diffusion plate, a diffuse reflector, and a wavelength conversion layer. This innovation highlights Yamada's expertise in developing advanced lighting solutions that are efficient and effective.

Career Highlights:

Motokazu Yamada has made significant contributions to the field of innovation during his tenure at prestigious companies such as Nichia Corporation and Nichia Chemical Industries, Limited. Through his innovative spirit and technical expertise, Yamada has played a pivotal role in driving forward the development of revolutionary technologies in the lighting industry.

Collaborations:

Throughout his illustrious career, Motokazu Yamada has collaborated with esteemed colleagues such as Yuichi Yamada and Masahiko Sano. These partnerships have been instrumental in fostering a culture of innovation and idea exchange, leading to the successful realization of groundbreaking inventions.

Conclusion:

In conclusion, Motokazu Yamada emerges as a true visionary in the world of inventions, with a remarkable track record of pioneering innovations in light-emitting devices. His relentless pursuit of excellence and commitment to pushing the boundaries of what is possible serve as a testament to his enduring impact on the field of technology. Motokazu Yamada's legacy continues to inspire and motivate inventors worldwide to think innovatively and strive for greatness in their pursuit of groundbreaking 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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