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For the Inventor, By the Inventor

Sakura, Japan

Takaaki Ishikawa

This inventor holds 21 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Fujikura Limited, Nistica, Inc., Japan Display Inc.. Active years: 1991-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaaki Ishikawa. Retrieved from https://idiyas.com/inventor/takaaki-ishikawa

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

USPTO Granted Patents = 21 

% Patents Active = 66.7

 

Average Co-Inventor Count = 2.7

ph-index = 7

Forward Citations = 200(Granted Patents)


Location History:

  • Sakura, JP (1991 - 2014)
  • Tokyo, JP (2017 - 2019)

Company Filing History:

goldMedal13 out of 1,874 
 
Fujikura Limited
 patents
silverMedal6 out of 30 
 
Nistica, Inc.
 patents
bronzeMedal3 out of 5,792 
 
Japan Display Inc.
 patents
4. 1 out of 42,726 
 
Hitachi, Ltd.
 patents
5. 1 out of 3,087 
 
Molex Corporation
 patents
where one patent can have more than one assignee

Years Active: 1991-2025

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21 patents (USPTO):Explore Patents
1. 12197013 - Optical fiber pitch conversion jig, optical connector, pitch conversion cord, optical conversion box, and pitch conversion method for optical fibers (2025-01-14),
2. 10495819 - Optical arrangement for managing diversity and isolation between ports in a wavelength selective switch (2019-12-03),
3. 10367174 - Manufacturing method of a light emitting device (2019-07-30),
4. 10269597 - Manufacturing apparatus of light-emitting element (2019-04-23),
5. 10228517 - Optical arrangement for managing diversity and isolation between ports in a wavelength selective switch (2019-03-12),
6. 10164218 - Manufacturing device and manufacturing method of light-emitting element (2018-12-25),
7. 9864148 - Optical arrangement for suppressing outerband crosstalk in a wavelength selective switch (2018-01-09),
8. 9632391 - Wavelength selective switch employing a LCoS device and having reduced crosstalk (2017-04-25),
9. 8814444 - Optical connector (2014-08-26),
10. 8693818 - Optical processing device (2014-04-08),
11. 8531756 - Optical processing device (2013-09-10),
12. 8368987 - Optical processing device (2013-02-05),
13. 7850372 - Optical connector with optical fiber (2010-12-14),
14. 7287914 - Optical connector assembly, connector holder, and optical connector (2007-10-30),
15. 7243390 - Cleaning unit for optical connector and cleaning tool for optical connector (2007-07-17),

Title: The Innovative Journey of Takaaki Ishikawa

Introduction: Takaaki Ishikawa, a pioneering inventor hailing from Sakura, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Takaaki Ishikawa's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles and cutting-edge medical devices for minimally invasive surgeries.

Career Highlights: With a career spanning over two decades, Ishikawa has worked with top research institutions and leading tech companies to develop state-of-the-art solutions in robotics, nanotechnology, and renewable energy.

Collaborations: Throughout his career, Takaaki Ishikawa has collaborated with renowned scientists, engineers, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Takaaki Ishikawa's relentless pursuit of innovation and his passion for pushing the boundaries of technology continue to inspire the next generation of inventors and researchers worldwide.

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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