Tokorozawa, Japan

Takao Sawabe

This inventor holds 113 USPTO granted patents, plus 5 CIPO patents and 5 EPO patents, primarily in Information Recording (CPC class H04N5-91). Top assignees: Pioneer Electronic Corporation, Pioneer Corporation, Pioneer Electronics Corporation. Active years: 1994-2013.


% Patents Active = 76.1



Average Co-Inventor Count = 5.1

ph-index = 24

Forward Citations = 2,162(Granted Patents)

Forward Citations (Not Self Cited) = 2,101(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Takorozawa, JP (1999 - 2000)
  • Meguro-ku, JP (2003)
  • Saitama-ken, JP (2007)
  • Tokyo-to, JP (1997 - 2010)
  • Kawasaki, JP (2011)
  • Tokorozawa, JP (1994 - 2013)
  • Tokyo, JP (1998 - 2013)
  • Saitama, JP (2008 - 2013)

Company Filing History:


Years Active: 1994-2013

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Areas of Expertise:
Information Recording Medium
Reproducing Apparatus
Recording Device
Control Computer Program
Recording Methods
Data Structure
Audio Information
Playlist Information
Carrier Wave
Reproduction Control
Apparatus
113 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Takao Sawabe - Pioneering Technological Advances in Tokorozawa

Introduction: Takao Sawabe is a prolific inventor based in Tokorozawa, Japan, known for his impressive portfolio of 113 patents. His groundbreaking work has significantly contributed to the field of information technology, particularly in the development of innovative information recording and reproduction devices and methods.

Latest Patents: Among Sawabe's latest patents are a series of cutting-edge innovations including an information record medium, information record device, information reproduction device, recording or reproduction control computer program, and data structure containing control signal. One notable contribution is the development of a method that allows the seamless reproduction of content information through play list sets, enhancing user experience and system functionality.

Career Highlights: Sawabe's illustrious career includes tenure at renowned companies such as Pioneer Electronic Corporation and Pioneer Corporation. During his time at these organizations, Sawabe played a pivotal role in spearheading technological advancements and securing multiple patents that have revolutionized the industry.

Collaborations: Throughout his career, Sawabe has collaborated with esteemed professionals in the field, including his coworkers Kaoru Yamamoto and Akihiro Tozaki. Together, they have synergized their expertise to drive innovation and bring forth groundbreaking inventions that have shaped the landscape of information technology.

Conclusion: Takao Sawabe's relentless pursuit of innovation and his invaluable contributions to the field of information technology have established him as a trailblazing inventor. His visionary approach to technology and his commitment to pushing the boundaries of what is possible continue to inspire future generations of inventors and innovators worldwide.

Profile summary based on public USPTO records.
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