Kawasaki, Japan

Shigeki Kitajima

This inventor holds 23 USPTO granted patents, primarily in Optical Communication. Top assignees: Hitachi, Ltd., Hitachi America, Ltd., Other. Active years: 1992-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Kitajima. Retrieved from https://idiyas.com/inventor/shigeki-kitajima

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


% Patents Active = 56.5

Average Co-Inventor Count = 3.8

ph-index = 9

Forward Citations = 279(Granted Patents)


Location History:

  • Kokubunji, JP (1992 - 1998)
  • Kawasaki, JP (1998 - 2008)

Company Filing History:


Years Active: 1992-2008

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Areas of Expertise:
Optical Switching
Optical Communication
Transmission Systems
Optical Crossconnect
Optical Protection Switching
Fault Restoration
Variable Transmission Rate
Optical Distribution
Homodyne Receiver
Frequency Division Multiplexing
Optical Modulators
Optical Tuning
23 patents (USPTO):Explore Patents

Title: Shigeki Kitajima: Pioneering Inventor from Kawasaki, JP

Introduction: Shigeki Kitajima is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Shigeki Kitajima holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: Throughout his illustrious career, Shigeki Kitajima has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Shigeki Kitajima has collaborated with top researchers and engineers from around the world, fostering a culture of innovation and knowledge-sharing that has led to remarkable advancements in various fields.

Conclusion: Shigeki Kitajima's dedication to pushing the boundaries of what is possible through his inventive spirit and collaborative efforts has solidified his reputation as a trailblazer in the world of technology and innovation.

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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