logo

For the Inventor, By the Inventor

Winchester, MA, United States of America

Masataka Shirasaki

This inventor holds 57 USPTO granted patents and 1 published patent application, primarily in Optical Technologies (CPC class G02B). Top assignees: Fujitsu Corporation, Avanex Corporation, Massachusetts Institute of Technology. Active years: 1983-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masataka Shirasaki. Retrieved from https://idiyas.com/inventor/masataka-shirasaki

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

USPTO Granted Patents = 57 

% Patents Active = 87.7

Average Co-Inventor Count = 1.4

ph-index = 15

Forward Citations = 625(Granted Patents)

Forward Citations (Not Self Cited) = 604(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokyo, JP (1988)
  • Setagaya, JP (1991)
  • Belmont, MA (US) (1994 - 1997)
  • Kawasaki, JP (1983 - 1999)
  • Kanagawa, JP (1997 - 2001)
  • Winchester, MA (US) (1999 - 2014)

Company Filing History:

goldMedal39 out of 39,374 
 
Fujitsu Corporation
 patents
silverMedal2 out of 230 
 
Avanex Corporation
 patents
bronzeMedal2 out of 8,586 
 
Massachusetts Institute of Technology
 patents
4. 1 out of 2,281 
 
Adv Antest Corporation
 patents
5. 1 out of 9,364 
 
Lucent Technologies Inc.
 patents
6. 17 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1983-2014

Loading Chart...
Areas of Expertise:
Optical Apparatus
Wavelength Division Multiplexing
Virtually Imaged Phased Array
Optical Switch
Chromatic Dispersion
Optical Circulator
Laser Device
Fiber Ring Interferometer
Thermal Compensation
Optical Component
Polarized-Wave-Dispersion
Chirped Waveguide Grating
57 patents (USPTO):Explore Patents
1. 8708507 - Optical apparatus for magnifying a view of an object at a distance (2014-04-29),
2. 7193778 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2007-03-20),
3. 7171071 - Optical wavelength division multiplexed system using wavelength splitters (2007-01-30),
4. 7158304 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2007-01-02),
5. 7075723 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2006-07-11),
6. 6947216 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2005-09-20),
7. 6909550 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2005-06-21),
8. 6901183 - Optical wavelength division multiplexed system using wavelength splitters (2005-05-31),
9. 6786611 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2004-09-07),
10. 6781758 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2004-08-24),
11. 6717731 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2004-04-06),
12. 6607278 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2003-08-19),
13. 6556742 - Optical wavelength division multiplexed system using wavelength splitters (2003-04-29),
14. 6481861 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2002-11-19),
15. 6478433 - Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion (2002-11-12),

Title: The Innovative Journey of Masataka Shirasaki

Introduction: Masataka Shirasaki, a visionary inventor hailing from Winchester, MA, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Masataka Shirasaki's latest patents include cutting-edge advancements in artificial intelligence algorithms for autonomous vehicles, revolutionizing the way we approach transportation and safety on the roads.

Career Highlights: With a career spanning over two decades, Shirasaki has been at the forefront of technological advancements. His work in developing sustainable energy solutions has garnered international recognition, showcasing his commitment to creating a greener future.

Collaborations: Shirasaki has collaborated with leading research institutions and tech companies to further his inventions. His partnerships have led to the development of state-of-the-art medical devices and improved data security protocols, showcasing his versatility as an inventor.

Conclusion: Masataka Shirasaki's relentless pursuit of innovation and his passion for creating solutions to complex problems have solidified his position as a trailblazer in the world of technology. His inventions continue to shape the way we interact with the world around us, leaving a lasting impact on future generations.

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]
Loading…