Mobara, Japan

Atsuhiro Katayama

This inventor holds 14 USPTO granted patents, primarily in Display Technology. Top assignees: Japan Display Inc., Hitachi Displays, Ltd.. Active years: 2009-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsuhiro Katayama. Retrieved from https://idiyas.com/inventor/atsuhiro-katayama

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 = 2.5

ph-index = 3

Forward Citations = 31(Granted Patents)


Location History:

  • Mobara, JP (2009 - 2017)
  • Minato-ku, JP (2017 - 2018)
  • Tokyo, JP (2016 - 2020)

Company Filing History:


Years Active: 2009-2020

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Areas of Expertise:
Display Device
Liquid Crystal Display
Columnar Spacers
Support Layers
Bridge Section
Elongated Support
Image Quality
Screen Resolution
Display Innovation
Visual Technology
14 patents (USPTO):Explore Patents

Title: Atsuhiro Katayama: Innovator in Display Technology

Introduction

Atsuhiro Katayama is a prominent inventor known for his contributions to display technology. He is based in Mobara, Japan, and holds a total of 14 patents. His work primarily focuses on liquid crystal display devices, which have become essential in modern electronics.

Latest Patents

One of his latest patents involves a liquid crystal display device that includes a TFT substrate and a counter substrate with liquid crystal sandwiched between them. The TFT substrate features scanning lines extending in a first direction and arrayed in a second direction, along with video signal lines arranged in the opposite direction. This innovative design includes a display area where TFT pixels are organized in a matrix pattern, surrounded by a frame area. In this frame area, common bus wires are formed using the same layer and material as the video signal lines, which are impressed with a common voltage. Additionally, dummy TFTs are created in a layer beneath the common bus wires, and the scanning lines extending over the frame area are divided outside the display area and interconnected by bridging wires.

Career Highlights

Atsuhiro Katayama has worked with notable companies in the display industry, including Japan Display Inc. and Hitachi Displays, Ltd. His experience in these organizations has significantly contributed to his expertise in developing advanced display technologies.

Collaborations

Throughout his career, Katayama has collaborated with esteemed colleagues such as Motoharu Miyamoto and Noboru Kunimatsu. These partnerships have fostered innovation and have played a crucial role in the advancement of display technology.

Conclusion

Atsuhiro Katayama's work in liquid crystal display technology has made a significant impact on the industry. His numerous patents and collaborations highlight his dedication to innovation and excellence in this 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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