Tokyo, Japan

Takashi Onioh

This inventor holds 4 USPTO granted patents. Top assignees: Dowa Holdings Co., Ltd., Dowa Mining Co., Ltd.. Active years: 1992-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Onioh. Retrieved from https://idiyas.com/inventor/takashi-onioh

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 2

Forward Citations = 146(Granted Patents)


Location History:

  • Chiba, JP (1992)
  • Tokyo, JP (2000 - 2013)

Company Filing History:


Years Active: 1992-2013

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4 patents (USPTO):Explore Patents

Title: Takashi Onioh: Innovator in Display Technology

Introduction

Takashi Onioh is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of display technology, holding a total of 4 patents. His innovative work focuses on enhancing the visibility and performance of display devices.

Latest Patents

One of Takashi Onioh's latest patents is a display device equipped with a transparent optical filter. This optical filter is designed to prevent the reflection of external light, thereby improving the signal level of the display device. It also prevents attenuation of the signal and enhances the hue, contrast, and brightness of images, ultimately improving visibility. The technology involves a liquid crystal display device that outputs linearly polarized light, which passes through a series of polarizing plates and phase difference plates to achieve optimal image quality.

Career Highlights

Throughout his career, Takashi Onioh has worked with notable companies such as Dowa Holdings Co., Ltd. and Dowa Mining Co., Ltd. His experience in these organizations has contributed to his expertise in display technology and innovation.

Collaborations

Some of his notable coworkers include Kojyu Nagasaki and Shigeyoshi Inuyama. Their collaboration has likely played a role in advancing the projects they have worked on together.

Conclusion

Takashi Onioh's contributions to display technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the way we experience visual technology today.

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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