Tama, Japan

Hiromasa Tsuboi

This inventor holds 32 USPTO granted patents and 8 published patent applications, primarily in Photoelectric Conversion Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 2014-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromasa Tsuboi. Retrieved from https://idiyas.com/inventor/hiromasa-tsuboi

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

USPTO Granted Patents = 32 

% Patents Active = 96.9

Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 80(Granted Patents)


Location History:

  • Koshigaya, JP (2014 - 2017)
  • Tama, JP (2016 - 2022)
  • Tokyo, JP (2022 - 2024)

Company Filing History:


Years Active: 2014-2026

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Areas of Expertise:
Photoelectric Conversion Device
Light Emitting Apparatus
Display Device
Electronic Device
Imaging Device
Illumination Apparatus
Wearable Device
Mobile Body
Solid-State Imaging
Control Method
Image Capturing Device
Image Pickup System
32 patents (USPTO):Explore Patents

Title: The Innovations of Hiromasa Tsuboi: Pioneering Display Technology

Introduction

Hiromasa Tsuboi is a prominent inventor based in Tama, Japan, recognized for his significant contributions to display technology. With an impressive portfolio of 24 patents, Tsuboi's innovative work has paved the way for advancements in electronic devices and light-emitting technologies.

Latest Patents

Among his latest inventions are patents related to a display device and an electronic device. Tsuboi has developed a display device that features a plurality of pixels arranged in an array. Each pixel comprises a current path that includes a light-emitting element and two transistors for efficient signal transmission. Notably, the first transistor integrates diffusion regions within its current path, enhancing performance through a strategically designed gate electrode that interacts with a luminance signal from the second transistor.

Another noteworthy patent involves a light-emitting device comprised of multiple pixels, where each pixel includes a light-emitting element and two transistors arranged for optimal functionality. In this design, the source region of one transistor can share a diffusion region with its adjacent counterpart, showcasing Tsuboi's meticulous approach to creating compact and efficient electronic solutions.

Career Highlights

Hiromasa Tsuboi is associated with Canon Kabushiki Kaisha, a leading corporation in imaging and optical products. His role there has allowed him to focus on cutting-edge research and development in electronic devices, particularly in display technology. His inventions are instrumental in enhancing visual experiences in modern devices.

Collaborations

Throughout his career, Tsuboi has collaborated with talented colleagues, including Takehiko Soda and Masahiro Kobayashi. These collaborations have fostered a creative environment that drives innovation within Canon and contributes to the company’s reputation for excellence in technology.

Conclusion

Hiromasa Tsuboi's work is a testament to the importance of innovation in the realm of electronics and display technology. His patents reflect a deep understanding of materials and circuitry, leading to advancements that continue to influence the industry. With a remarkable career marked by collaboration and ingenuity, Tsuboi remains a pivotal figure in the development of cutting-edge electronic devices.

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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