Beijing, China

Koji Hanawa

This inventor holds 1 USPTO granted patent. Top assignees: Boe Technology Group Co., Ltd., Hefei Boe Joint Technology Co., Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Hanawa. Retrieved from https://idiyas.com/inventor/koji-hanawa-e9pwzs7d

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 = 4.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Koji Hanawa: Innovator in Display Technology

Introduction

Koji Hanawa is a prominent inventor based in Beijing, China. He has made significant contributions to the field of display technology, particularly through his innovative patent that addresses common issues in display devices. His work has implications for improving the quality and reliability of display panels.

Latest Patents

Hanawa holds a patent for a display device and method for manufacturing the same. This invention includes a complex arrangement of layers, such as an anode layer, hole injection layer, hole transport layer, light-emitting material layer, electron transport layer, electron injection layer, and cathode layer. The design incorporates at least one high impedance layer positioned between the electron injection layers and the cathode layer. This configuration effectively mitigates the risk of short circuits caused by particles, significantly reduces the number of dark spots on display panels, and enhances the overall yield of the display device. He has 1 patent to his name.

Career Highlights

Throughout his career, Hanawa has worked with notable companies in the technology sector. He has been associated with Hefei Boe Joint Technology Co., Ltd. and BOE Technology Group Co., Ltd. His experience in these organizations has allowed him to develop and refine his expertise in display technology.

Collaborations

Hanawa has collaborated with several professionals in his field, including Yue Hu and Dacheng Zhang. These partnerships have contributed to the advancement of his projects and innovations.

Conclusion

Koji Hanawa is a key figure in the realm of display technology, with a focus on enhancing the performance and reliability of display devices. His innovative patent and collaborations reflect his commitment to advancing this important field.

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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