Hotaka, Japan

Keiji Takizawa

This inventor holds 72 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Liquid Crystal Displays (CPC class G02F). Top assignees: Seiko Epson Corporation, Japan Display Inc., Sony Corporation. Active years: 1996-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Takizawa. Retrieved from https://idiyas.com/inventor/keiji-takizawa

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

USPTO Granted Patents = 72 

% Patents Active = 79.2


Average Co-Inventor Count = 2.3

ph-index = 12

Forward Citations = 454(Granted Patents)

Forward Citations (Not Self Cited) = 413(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hotaba-machi, JP (2004)
  • Hotoka-machi, JP (2006)
  • Hoicka, JP (2006)
  • Toyoshima-machi, JP (2007)
  • Toyshina-machi, JP (2007)
  • Hotaka-machi, JP (2003 - 2008)
  • Hataka-machi, JP (2008)
  • Nagano-ken, JP (1996 - 2009)
  • Suwa, JP (2003 - 2009)
  • Toyoshina-machi, JP (2006 - 2009)
  • Hotaka, JP (2006 - 2009)
  • Nagano, JP (2009 - 2010)
  • Toyoshina, JP (2008 - 2011)
  • Azumino, JP (2009 - 2014)
  • Tottori, JP (2012 - 2014)
  • Tokyo, JP (2017 - 2022)

Company Filing History:


Years Active: 1996-2025

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Areas of Expertise:
Liquid Crystal Display
Electro-Optical Device
Color Filter Substrate
Transflective Display
Display Device
Manufacturing Method
Electronic Apparatus
Color Filter
Substrate
Pixel Technology
Image Projection
Aerial Image
72 patents (USPTO):Explore Patents

Title: The Inventor Extraordinaire: Keiji Takizawa

Introduction:

Keiji Takizawa, a prolific inventor hailing from Hotaka-machi, Japan, has left an indelible mark on the world of technology with his groundbreaking innovations. With an impressive portfolio of 70 patents to his name, Takizawa continues to push the boundaries of what is possible in the field of display technology.

Latest Patents:

Among his latest patents is the ingenious "Display Device Projecting an Aerial Image," where Takizawa revolutionizes the way we perceive displays. This device incorporates a retroreflective element, an optical element, and a blower mechanism to create a mesmerizing visual experience. Additionally, his "Display Device" patent showcases his mastery in utilizing light reflection to enhance display quality.

Career Highlights:

Throughout his career, Takizawa has made significant contributions to companies like Seiko Epson Corporation and Japan Display Inc., where his innovative spirit thrived. His relentless pursuit of excellence has led to the development of cutting-edge display technologies that have reshaped the industry.

Collaborations:

Takizawa's success is also attributed to his collaborations with industry stalwarts like Tomoyuki Nakano and Yoshihiro Otagiri. Together, they have worked tirelessly to bring their collective vision to life and elevate the standard of display devices worldwide.

Conclusion:

In conclusion, Keiji Takizawa stands as a visionary inventor whose ingenuity knows no bounds. His relentless pursuit of innovation and dedication to excellence have cemented his legacy in the world of technology. As he continues to push the boundaries of what is possible, the future holds even more exciting prospects thanks to inventors like Keiji Takizawa.

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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