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For the Inventor, By the Inventor

Kawasaki, Japan

Takuji Maeda

This inventor holds 28 USPTO granted patents and 3 EPO patents, primarily in Optical Communication. Top assignee: Fujitsu Corporation. Active years: 1998-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuji Maeda. Retrieved from https://idiyas.com/inventor/takuji-maeda-5mmnv5m0

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

Calculating rank
USPTO Granted Patents = 28

% Patents Active = 64.3


Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 184(Granted Patents)


Location History:

  • Kanagawa, JP (2000 - 2002)
  • Kawasaki, JP (1998 - 2016)

Company Filing History:

goldMedal28 out of 39,381 
 
Fujitsu Corporation
 patents

Years Active: 1998-2016

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Areas of Expertise:
Optical Signal-to-Noise Ratio
Wavelength Multiplexing
Optical Transmission System
Coherent Optical Communication
Optical Amplifier
Polarization Control
Optical Add-Drop Multiplexing
Optical Cross-Connect
Optical Network System
Optical Level Control
Interferometric Monitoring
Optical Filter
28 patents (USPTO):Explore Patents
1. 9515733 - Mitigation of spectral offset in an optical filter (2016-12-06),
2. 9515727 - In-band optical signal-to-noise ratio monitor (2016-12-06),
3. 9270369 - Correction table for interferometric optical signal-to-noise ratio monitor (2016-02-23),
4. 9112605 - Dual-polarization interferometric optical signal-to-noise ratio monitor (2015-08-18),
5. 8958706 - Coherent optical communication device and method (2015-02-17),
6. 8422121 - Optical transmission apparatus and optical signal level checking method (2013-04-16),
7. 7756422 - Method for measuring optical characteristics and system thereof (2010-07-13),
8. 7756416 - Optical communication node and optical network system (2010-07-13),
9. 7733467 - Optical passive device product identification apparatus and connectivity determination apparatus (2010-06-08),
10. 7551828 - Optical transmission device for controlling optical level of transmission signal in optical transmission system (2009-06-23),
11. 7509055 - Optical transmission system with automatic signal level adjustment and startup functions (2009-03-24),
12. 7466478 - Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical network (2008-12-16),
13. 7394951 - Optical signal level control apparatus (2008-07-01),
14. 7343102 - Optical transmission system with automatic signal level adjustment and startup functions (2008-03-11),
15. 7286758 - Method for switching transmission route, and optical transmission device (2007-10-23),

Title: The Innovative Journey of Takuji Maeda

Introduction: Takuji Maeda, a pioneering inventor hailing from Kawasaki, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Takuji Maeda's recent patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Takuji Maeda has worked with leading tech companies, research institutions, and universities, honing his skills and pushing the boundaries of technological possibilities.

Collaborations: Throughout his career, Takuji Maeda has collaborated with top engineers, scientists, and designers from around the globe, fostering a culture of innovation and creativity in all his projects.

Conclusion: Takuji Maeda's relentless pursuit of innovation and his passion for creating a better future through technology make him a true visionary in the world of inventions.

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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