Takahagi, Japan

Tatsuya Sugita

This inventor holds 50 USPTO granted patents and 5 published patent applications and 2 EPO patents, primarily in Display Technology (CPC class G02B). Top assignees: Hitachi, Ltd., Hitachi Displays, Ltd., Japan Display Inc.. Active years: 1993-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Sugita. Retrieved from https://idiyas.com/inventor/tatsuya-sugita

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

USPTO Granted Patents = 50 

% Patents Active = 74.0


Average Co-Inventor Count = 3.8

ph-index = 11

Forward Citations = 398(Granted Patents)

Forward Citations (Not Self Cited) = 394(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ibaraki, JP (2006)
  • Hitachi, JP (1993 - 2011)
  • Tokyo, JP (2010 - 2016)
  • Takahagi, JP (2004 - 2019)

Company Filing History:


Years Active: 1993-2019

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Areas of Expertise:
Autostereoscopic Display
Liquid Crystal Display
Electrophoretic Display
Image Display Device
Organic Light Emitting Element
Optical System
Lighting Unit
Wavelength Separation Optical Device
High-Definition Pixel Structure
50 patents (USPTO):Explore Patents

Title: The Innovations of Tatsuya Sugita: A Pioneer in Display Technology

Introduction: Tatsuya Sugita is a notable inventor based in Takahagi, Japan, recognized for his substantial contributions to display technology. With an impressive portfolio of 50 patents, Sugita has emerged as a key figure in the field of autostereoscopic displays and illuminating devices. His innovations reflect a deep understanding of optical systems and display enhancements, making significant impacts on the technology we use today.

Latest Patents: Among Sugita's recent inventions is the **Autostereoscopic Display Device**, which comprises a display unit paired with a sophisticated liquid crystal lens cell. This lens cell includes a water-absorption layer and is designed to provide an immersive viewing experience without the need for special glasses. Another remarkable invention is the **Illuminating Device and Liquid Crystal Display Device**. This patent features an advanced light source and a light guide plate that enhances light emission, along with a polarization state converting structure that optimizes light propagation. Such patents not only showcase Sugita’s innovative capabilities but also push the boundaries of display technology.

Career Highlights: Tatsuya Sugita has a distinguished career, having worked with renowned companies such as Hitachi, Ltd. and Hitachi Displays, Ltd. His role in these organizations has been crucial in developing state-of-the-art technologies that serve as the backbone for many modern display solutions. Sugita’s expertise in engineering and innovation has paved the way for advancements in visual technology.

Collaborations: Throughout his career, Sugita has collaborated with talented individuals, including colleagues Shinichi Komura and Shinichiro Oka. These partnerships have fostered a creative environment that helps drive technological advancements in their projects, allowing them to share knowledge and innovate collectively.

Conclusion: Tatsuya Sugita stands out as a pioneer in display technology through his patent portfolio and collaborative spirit. His inventions not only enhance how we interact with visual displays but also signify a leap toward future advancements in the field. Sugita’s work continues to influence the industry, making him a key figure in the evolution of display technologies.

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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