Kanagawa, Japan

Ryo Hatsumi

This inventor holds 91 USPTO granted patents and 58 published patent applications, primarily in Display Technology (CPC class G06F3-0412). Top assignees: Semiconductor Energy Laboratory Co., Ltd., Semiconductor Energy Laboratory Co., Ltd.. Active years: 2015-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryo Hatsumi. Retrieved from https://idiyas.com/inventor/ryo-hatsumi

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

USPTO Granted Patents = 91 

% Patents Active = 85.7

Average Co-Inventor Count = 3.6

ph-index = 8

Forward Citations = 152(Granted Patents)

Forward Citations (Not Self Cited) = 106(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Hadano, JP (2015 - 2024)
  • Kanagawa, JP (2015 - 2024)

Company Filing History:


Years Active: 2015-2026

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Areas of Expertise:
Display Device
Electronic Device
Optical Device
Display Module
Data Processing Device
Light-Emitting Device
Liquid Crystal Display
Photoelectric Conversion
91 patents (USPTO):Explore Patents

Title: **Ryo Hatsumi: Innovator in Display Technologies**

Introduction

Ryo Hatsumi is a prominent Japanese inventor based in Kanagawa, known for his significant contributions to the field of display technologies. With an impressive portfolio of 65 patents, Hatsumi has consistently pushed the boundaries of innovation in electronic devices. His work particularly emphasizes the integration of light-sensing capabilities within display units.

Latest Patents

Hatsumi's latest patents showcase advanced innovations in display units and electronic devices. One of his key inventions focuses on a highly reliable display unit that incorporates a light-sensing function. This display unit combines a light-receiving device and a light-emitting device, where the light-receiving device features an active layer situated between two electrodes. The light-emitting device consists of a hole-injection layer, a light-emitting layer, and an electron-transport layer, also arranged between a pair of electrodes. Notably, these two devices share one electrode and may also have a shared common layer, enhancing efficiency and performance.

Another noteworthy patent details a display apparatus with photosensing functionality. This apparatus includes dual pixel circuits; the first pixel circuit integrates a light-receiving device and two transistors, while the second pixel circuit focuses on a light-emitting device. The design incorporates organic compounds in its active and light-emitting layers, showcasing Hatsumi's innovative approach to integrating electronic components.

Career Highlights

Ryo Hatsumi has built a remarkable career at Semiconductor Energy Laboratory Co., Ltd., where he has contributed groundbreaking innovations in semiconductor technology and display systems. His exploration of organic compounds in electronic applications reflects his commitment to enhancing display reliability and functionality.

Collaborations

Throughout his career, Hatsumi has collaborated with esteemed colleagues such as Daisuke Kubota and Taisuke Kamada. These partnerships have fostered an environment of creativity and innovation, allowing for collaborative advancements in semiconductor technologies.

Conclusion

Ryo Hatsumi’s dedication to developing innovative display technologies positions him as a key figure in the semiconductor industry. His extensive patent portfolio, highlighted by advanced light-sensing display units, continues to influence the future of electronic devices, ensuring a bright trajectory for his work in the 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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