Tokyo, Japan

Masakazu Gunji

This inventor holds 22 USPTO granted patents and 9 published patent applications, primarily in Display Technology. Top assignees: Japan Display Inc., Magnolia White Corporation, Hitachi Displays, Ltd.. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Gunji. Retrieved from https://idiyas.com/inventor/masakazu-gunji

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

USPTO Granted Patents = 22 

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Mobara, JP (2012 - 2015)
  • Minato-ku, JP (2019 - 2022)
  • Tokyo, JP (2016 - 2023)

Company Filing History:


Years Active: 2012-2026

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Areas of Expertise:
OLED
Display Device
Touch Sensor
Organic EL
Light Shielding
Cathode Wiring
Manufacturing Method
Reflective Electrode
Optical Element
Non-Planar
Trench Design
Semiconductor Device
22 patents (USPTO):Explore Patents

Title: Masakazu Gunji: Innovator in Display Technology

Introduction

Masakazu Gunji is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of display technology. With an impressive portfolio that includes 19 patents, Gunji has demonstrated his expertise and innovative spirit within the tech industry.

Latest Patents

One of Masakazu Gunji's latest patents involves a sophisticated display device design. This invention includes a first lower electrode and a second lower electrode situated on a first insulating layer, along with a partition wall that connects to a pixel circuit. The design also incorporates a first organic layer and a first upper electrode positioned atop the first organic layer. The partition wall features both a conductive layer linked to the pixel circuit and a second insulating layer. This structure ensures that the first lower electrode contacts the first side surface and maintains a specific distance from the second side surface of the second lower electrode.

Another notable patent by Gunji concerns a display device comprising multiple sub-pixels. This design includes a first sub-pixel and a second sub-pixel, each equipped with a semiconductor film and essential components like a gate electrode and an interlayer insulating film. Both sub-pixels feature a light-emitting element located over a leveling film, further enhanced by a partition wall that separates them and a trench that passes through the leveling film, demonstrating an advanced approach to pixel separation in display technology.

Career Highlights

Throughout his career, Masakazu Gunji has worked with leading companies in the display sector, notably Japan Display Inc. and Hitachi Displays, Ltd. His roles at these organizations have allowed him to influence the design and generation of innovative display solutions, further solidifying his reputation as a key figure within the industry.

Collaborations

Masakazu Gunji has collaborated with talented professionals such as Toshihiro Sato and Shigeru Sakamoto. These partnerships have fostered the exchange of ideas and advancements in display technology, allowing for the development of cutting-edge innovations that continue to shape the market.

Conclusion

In summary, Masakazu Gunji's inventive work and dedication to display technology have resulted in numerous patents that contribute significantly to the field. His collaborations with esteemed colleagues and his tenure at renowned companies further highlight his impact as an inventor. As technology advances, Gunji's contributions are likely to inform future developments in display systems, inspiring a new generation of innovators.

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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