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For the Inventor, By the Inventor

Tokyo, Japan

Takeshi Igarashi

This inventor holds 69 USPTO granted patents and 15 published patent applications and 21 EPO patents, primarily in Input Devices. Top assignees: Sony Interactive Entertainment Inc., Showa Denko K.k., Sony Corporation. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Igarashi. Retrieved from https://idiyas.com/inventor/takeshi-igarashi

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

USPTO Granted Patents = 69 

% Patents Active = 91.3

 

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 970(Granted Patents)

Forward Citations (Not Self Cited) = 888(Dec 10, 2025)


Location History:

  • Chiba, JP (2008 - 2021)
  • Kanagawa, JP (2003 - 2024)
  • Tokyo, JP (2010 - 2024)
  • Yokohama, JP (2013 - 2024)

Company Filing History:

goldMedal35 out of 3,337 
 
Sony Interactive Entertainment Inc.
 patents
silverMedal14 out of 1,961 
 
Showa Denko K.k.
 patents
bronzeMedal9 out of 58,145 
 
Sony Corporation
 patents
4. 5 out of 349 
 
Sumitomo Electric Device Innovations, Inc.
 patents
5. 4 out of 101 
 
Mitsubishi Corporation
 patents
6. 4 out of 1,799 
 
Sony Computer Entertainment Inc.
 patents
7. 2 out of 1,051 
 
Tohoku University
 patents
8. 1 out of 4,048 
 
Alps Electric Co., Ltd.
 patents
9. 1 out of 1,454 
 
Jvc Kenwood Corporation
 patents
10. 1 out of 2,678 
 
Pioneer Corporation
 patents
11. 1 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents
12. 1 out of 446 
 
Ulvac, Inc.
 patents
where one patent can have more than one assignee

Years Active: 2003-2026

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Areas of Expertise:
Input Device
Capacitor
Electronic Equipment
Light Guide Member
Control Button
Controller
Carbon Fiber
Fullerene Derivative
Laser Beam Detection
Touch Sensor
Operation Device
Information Processing
69 patents (USPTO):Explore Patents
1. 12737057 - Input device (2026-09-15),
2. 12724475 - Input device (2026-09-01),
3. D1144353 - Control button of controller for electronic device (2026-08-25),
4. 12696679 - Fullerene derivative and production method therefor (2026-07-28),
5. 12602104 - Input device (2026-04-14),
6. 12533572 - Input device (2026-01-27),
7. 12530091 - Input device with a moveable strap (2026-01-20),
8. 12526562 - Electronic equipment (2026-01-13),
9. 12521623 - Inputting device (2026-01-13),
10. 12515124 - Electronic apparatus and light guiding member (2026-01-06),
11. 12437926 - Capacitor and method of manufacturing the same (2025-10-07),
12. 12360317 - Light guide member and electronic equipment (2025-07-15),
13. 12336200 - Metal-insulator-metal (MIM) capacitor with additional electrode embedded in insulating film (2025-06-17),
14. D1078853 - Control button of controller for electronic device (2025-06-10),
15. 12324984 - Input device (2025-06-10),

Title: The Innovative Journey of Takeshi Igarashi

Introduction: Takeshi Igarashi is a renowned inventor based in Tokyo, Japan, known for his groundbreaking contributions to various fields through his inventive spirit and dedication to technological advancements.

Latest Patents: Takeshi Igarashi's latest patents include cutting-edge technologies in the fields of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to shaping the future through innovation.

Career Highlights: With a career spanning over two decades, Takeshi Igarashi has established himself as a pioneer in the world of inventions. His work has not only revolutionized industries but has also inspired a new generation of inventors to push the boundaries of what is possible.

Collaborations: Throughout his career, Takeshi Igarashi has collaborated with leading research institutions, universities, and tech companies to bring his ideas to life. His ability to work across disciplines and cultures has led to the development of truly transformative technologies.

Conclusion: Takeshi Igarashi's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of inventions. His impact on society and the technological landscape is sure to be felt for years to come.

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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