Tokushima, Japan

Ryohei Yamashita

This inventor holds 44 USPTO granted patents and 8 EPO patents, primarily in Light Emitting Devices. Top assignees: Nichia Corporation, Keiwa Inc., Sh Materials Co., Ltd.. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryohei Yamashita. Retrieved from https://idiyas.com/inventor/ryohei-yamashita

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


% Patents Active = 97.7

 

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 82(Granted Patents)


Location History:

  • Anan, JP (2009 - 2017)
  • Tokushima, JP (2014 - 2024)

Company Filing History:


Years Active: 2009-2025

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Areas of Expertise:
Light Emitting Module
Planar Light Source
Surface Light Source
Light Emitting Device
Manufacturing Method
Light Diffusing Sheet
Lead Frame
Packaging Array
Circuit Board
Light Distribution
Semiconductor Element
44 patents (USPTO):Explore Patents

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Title: Ryohei Yamashita: A Visionary Inventor from Tokushima, Japan

Introduction:

Ryohei Yamashita, a renowned inventor hailing from Tokushima, Japan, has left an indelible mark on the world of inventions. With a total of 41 patents to his name, Yamashita's innovative spirit and forward-thinking approach have paved the way for groundbreaking advancements in various industries.

Latest Patents:

Yamashita's recent patents include a cutting-edge Planar Light Source, which features a support member, a light guide member, and a light source positioned meticulously to optimize illumination. Additionally, his Surface-Emitting Light Source showcases his mastery in designing efficient light-emitting modules for a multitude of applications.

Career Highlights:

Throughout his illustrious career, Yamashita has contributed significantly to companies like Nichia Corporation and Shin Materials Co., Ltd. His expertise and knack for innovation have been instrumental in the development of advanced lighting technologies and materials that have set new industry standards.

Collaborations:

Yamashita has collaborated closely with esteemed colleagues such as Yusaku Achi and Toshinobu Katsumata, who have played pivotal roles in bringing his visionary concepts to fruition. Together, they have fostered a culture of creativity and excellence, resulting in game-changing inventions that have reshaped the technological landscape.

Conclusion:

In conclusion, Ryohei Yamashita's impact on the world of inventions is truly remarkable. His legacy as a forward-thinker and inventor continues to inspire and motivate future generations of innovators to push the boundaries of what is possible. With a string of patents and a history of groundbreaking innovations, Yamashita's name will forever be etched in the annals of inventive history.

I hope this article captures the essence of Ryohei Yamashita's remarkable contributions to the world of inventions. If you need any further information or assistance, feel free to ask!

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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