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For the Inventor, By the Inventor

Tenri, Japan

Takafumi Hayama

This inventor holds 5 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1998-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takafumi Hayama. Retrieved from https://idiyas.com/inventor/takafumi-hayama

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

USPTO Granted Patents = 5

% Patents Active = 60.0

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 24(Granted Patents)


Location History:

  • Tenri, JP (1998)
  • Ibaraki, JP (1998)
  • Osaka, JP (2013 - 2014)

Company Filing History:

goldMedal5 out of 25,974 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 1998-2014

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5 patents (USPTO):Explore Patents
1. 8730446 - Liquid crystal display panel, and method for testing substrate for liquid crystal display panel (2014-05-20),
2. 8569697 - Liquid crystal panel, liquid crystal display device, and method for inspecting sealing resin (2013-10-29),
3. 5825196 - Method for detecting defects in an active matrix liquid crystal display (1998-10-20),
4. 5786707 - Method of detecting possible defect of liquid crystal panel (1998-07-28),
5. 5734450 - Active-matrix substrate and a defect correcting method thereof (1998-03-31),

Title: Takafumi Hayama: Innovator in Liquid Crystal Display Technology

Introduction

Takafumi Hayama is a prominent inventor based in Tenri, Japan. He has made significant contributions to the field of liquid crystal display (LCD) technology. With a total of 5 patents to his name, Hayama's work has been instrumental in advancing the functionality and efficiency of LCD panels.

Latest Patents

Hayama's latest patents include innovative designs and methods for liquid crystal display panels. One of his notable inventions is a liquid crystal display panel that features a TFT substrate and a CF substrate, with a liquid crystal layer positioned between them. This design incorporates an alignment film that controls the alignment of the liquid crystal layer. Additionally, a sealing member is integrated, which is shaped to surround the liquid crystal layer. This invention also includes a metal pattern that reflects infrared light, allowing for the detection of the alignment film's presence using a Fourier transform infrared spectrometer.

Another significant patent involves a liquid crystal panel that includes a liquid crystal injection port for injecting liquid crystal between two substrates. This design also features a metal pattern capable of reflecting infrared light, which is strategically placed in the region designated for sealing resin.

Career Highlights

Hayama is associated with Sharp Kabushiki Kaisha Corporation, a leading company in the electronics industry. His work at Sharp has allowed him to focus on developing cutting-edge technologies that enhance the performance of liquid crystal displays.

Collaborations

Throughout his career, Hayama has collaborated with notable colleagues, including Katsumi Irie and Yuuichirou Mochizuki. These collaborations have contributed to the successful development of innovative technologies in the field of LCDs.

Conclusion

Takafumi Hayama's contributions to liquid crystal display technology have made a lasting impact on the industry. His innovative patents and collaborations with esteemed colleagues highlight his dedication to advancing display technology. His work continues to influence the future of LCD applications.

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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