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For the Inventor, By the Inventor

Kawasaki, Japan

Kazue Otsuka

This inventor holds 19 USPTO granted patents and 1 EPO patent, primarily in Optical Communication. Top assignee: Fujitsu Corporation. Active years: 1995-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazue Otsuka. Retrieved from https://idiyas.com/inventor/kazue-otsuka

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

USPTO Granted Patents = 19

% Patents Active = 94.7


Average Co-Inventor Count = 3.2

ph-index = 10

Forward Citations = 375(Granted Patents)


Location History:

  • Kanagawa, JP (2001)
  • Yokohama, JP (2001 - 2005)
  • Kawasaki, JP (1995 - 2006)

Company Filing History:

goldMedal19 out of 39,378 
 
Fujitsu Corporation
 patents

Years Active: 1995-2006

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Areas of Expertise:
Optical Amplifier
Wavelength Multiplexing
Dispersion Compensation
Optical Transmission
Optical Fiber
Signal Polarization
Optical Communication System
WDM Optical Signal
Reference Light Source
Transmission Method
Optical Terminal Station
Single Mode Transmission
19 patents (USPTO):Explore Patents
1. 7142785 - Light branching/inserting apparatus and light branching apparatus using wavelength selection filter (2006-11-28),
2. 6930824 - Optical amplifier which compensates for dispersion of a WDM optical signal (2005-08-16),
3. 6583900 - Optical transmission apparatus, optical transmission system, and optical terminal station (2003-06-24),
4. 6538782 - Light branching/inserting apparatus and light branching apparatus using wavelength selection filter (2003-03-25),
5. 6351323 - Optical transmission apparatus, optical transmission system, and optical terminal station (2002-02-26),
6. 6275314 - Optical wavelength multiplex transmission method and optical dispersion compensation method (2001-08-14),
7. 6252687 - Optical wavelength multiplex transmission method and optical dispersion compensation method (2001-06-26),
8. 6243176 - Optical wavelength multiplex transmission method and optical dispersion compensation method (2001-06-05),
9. 6067187 - Optical amplifier and optical communication system employing the same (2000-05-23),
10. 5894362 - Optical communication system which determines the spectrum of a (1999-04-13),
11. 5886804 - Optical transmission system employing single mode optical transmission (1999-03-23),
12. 5856881 - Optical fiber transmission line (1999-01-05),
13. 5841557 - Method and apparatus for scrambling the polarization of signal lights (1998-11-24),
14. 5790292 - Optical fiber transmission line (1998-08-04),
15. 5696614 - Optical wavelength multiplex transmission method and optical dispersion (1997-12-09),

Title: Kazue Otsuka - Pioneering Female Inventor from Kawasaki

Introduction: Kazue Otsuka is a trailblazing inventor hailing from Kawasaki, Japan, known for her innovative contributions to the field of technology and engineering.

Latest Patents: Kazue Otsuka holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing her versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Otsuka has worked with leading research institutions and tech companies, consistently pushing the boundaries of what is possible in the realm of technological advancements.

Collaborations: Throughout her career, Kazue Otsuka has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity in all her projects.

Conclusion: Kazue Otsuka's dedication to innovation and her groundbreaking inventions have solidified her reputation as a pioneering female inventor in the global tech industry.

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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