Taki-gun, Japan

Takafumi Kawaguchi

This inventor holds 27 USPTO granted patents and 3 EPO patents, primarily in Liquid Crystal Displays. Top assignees: Sharp Kabushiki Kaisha Corporation, Other. Active years: 1991-2012.

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

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


% Patents Active = 85.2


Average Co-Inventor Count = 3.0

ph-index = 11

Forward Citations = 321(Granted Patents)


Location History:

  • Nara, JP (1991 - 1995)
  • Tenri, JP (1993 - 1997)
  • Yamatotakada, JP (1994 - 2000)
  • Mie, JP (2004 - 2008)
  • Taki-gun, JP (2004 - 2010)
  • Osaka, JP (2012)

Company Filing History:


Years Active: 1991-2012

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Areas of Expertise:
Liquid Crystal Display
Display Device
Driving Circuit
Active Matrix
Column Electrode
Image Display
Synchronization
Gray Scale Control
Detection Speed
Tablet Device
Field Discriminating Circuitry
27 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takafumi Kawaguchi in Display Technology

Introduction

Takafumi Kawaguchi, based in Taki-gun, Japan, has made significant strides in the field of display technology through his inventive genius. With a remarkable portfolio of 27 patents, Kawaguchi’s work has contributed extensively to advancements in liquid crystal display devices.

Latest Patents

Among his latest innovations are two groundbreaking patents. The first patent details a liquid crystal display device that includes:

- A liquid crystal display panel,

- A light source positioned behind the panel, and

- A frame designed to house both the display panel and light source with upper and lower openings.

The liquid crystal display panel features a thin-film transistor (TFT) substrate, a color filter substrate (CF), a liquid crystal layer sandwiched between them, a driving circuit on the TFT substrate, and a front polarizing plate that extends over the frame openings.

The second patent describes a display device comprising:

- A display panel with a bus line section,

- At least one driver for powering the bus line section.

This innovative driver incorporates an amplifier to generate a non-driving signal based on the input signal, which does not engage the bus line section.

Career Highlights

Throughout his career, Kawaguchi has worked with prominent companies such as Sharp Corporation. His tenure at such organizations has allowed him to push the boundaries of display technology and contribute to valuable advancements in the field.

Collaborations

Kawaguchi has collaborated with noteworthy professionals, including Makoto Takeda and Toshihiro Yanagi. Together, they have cultivated a creative environment that has led to several successful innovations in display technology.

Conclusion

With 27 patents, Takafumi Kawaguchi stands as a key figure in the evolution of liquid crystal display technology. His inventions not only enhance visual experiences but also pave the way for future developments in the industry. As technology continues to advance, the impact of Kawaguchi's contributions will likely resonate for years to come.

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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