Kanagawa, Japan

Tsutomu Shimayama

This inventor holds 8 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignees: Sony Corporation, Joled Inc., Sony Semiconductor Solutions Corporation. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Shimayama. Retrieved from https://idiyas.com/inventor/tsutomu-shimayama

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

USPTO Granted Patents = 8 

% Patents Active = 75.0

 

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 29(Granted Patents)


Company Filing History:


Years Active: 2009-2025

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8 patents (USPTO):Explore Patents

Title: Tsutomu Shimayama: Innovator in Light-Emitting Technology

Introduction

Tsutomu Shimayama is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of light-emitting technology, holding a total of 8 patents. His work focuses on improving the efficiency and functionality of display devices.

Latest Patents

Among his latest innovations are two notable patents. The first is a light-emitting element and display device with an insulating layer that includes eaves. This invention enhances light emission properties by utilizing a unique configuration of anode electrodes and pixel-isolating insulation films. The second patent involves a display device that features multiple recess portions on a pixel formation surface, allowing for the formation of light-emitting units on both the side walls and bottom surfaces of these recesses. This design not only improves the display quality but also streamlines the manufacturing process.

Career Highlights

Throughout his career, Tsutomu Shimayama has worked with leading companies in the technology sector, including Sony Corporation and Joled Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in display technology.

Collaborations

He has collaborated with notable colleagues such as Takatoshi Kameshima and Yoshihisa Kagawa. Their combined expertise has fostered innovative solutions in the realm of light-emitting devices.

Conclusion

Tsutomu Shimayama's contributions to light-emitting technology and display devices have positioned him as a key figure in the industry. His patents reflect a commitment to innovation and excellence, paving the way for future advancements in technology.

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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