Seongnam, South Korea

Hitoshi Yamamoto

This inventor holds 1 USPTO granted patent. Top assignee: Samsung Sdi Co., Inc.. Active years: 2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Yamamoto. Retrieved from https://idiyas.com/inventor/hitoshi-yamamoto-spgkcqqd

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 2005

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1 patent (USPTO):Explore Patents

Title: Hitoshi Yamamoto: Innovator in Organic Electroluminescent Devices

Introduction

Hitoshi Yamamoto is a prominent inventor based in Seongnam, South Korea. He is known for his significant contributions to the field of organic electroluminescent devices. With a focus on advancing display technology, Yamamoto has made strides that enhance the efficiency and quality of electronic displays.

Latest Patents

Yamamoto holds a patent for an organic electroluminescent device. This innovative device includes a substrate, a transparent electrode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode, all sequentially stacked. The design optimizes the thickness distribution of the layers to achieve maximum luminance across different colors, specifically red, green, and blue, within a range of 30 nm.

Career Highlights

Yamamoto is currently employed at Samsung SDI Co., Inc., where he continues to work on cutting-edge technologies in the field of organic electronics. His expertise and innovative approach have positioned him as a key player in the development of advanced display solutions.

Collaborations

Throughout his career, Yamamoto has collaborated with notable colleagues, including Takeo Wakimoto and Chang Hee Ko. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Hitoshi Yamamoto's work in organic electroluminescent devices exemplifies the impact of innovation in display technology. His contributions continue to shape the future of electronic displays, making them more efficient and visually appealing.

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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