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For the Inventor, By the Inventor

Tachikawa, Japan

Yoshitaka Sasago

This inventor holds 55 USPTO granted patents and 20 published patent applications and 1 EPO patent, primarily in Semiconductor Technology (CPC class H01L). Top assignees: Hitachi, Ltd., Renesas Technology Corp., Hitachi High-Tech Corporation. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshitaka Sasago. Retrieved from https://idiyas.com/inventor/yoshitaka-sasago

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

Calculating rank
USPTO Granted Patents = 55 

% Patents Active = 30.9

 

Average Co-Inventor Count = 3.5

ph-index = 8

Forward Citations = 256(Granted Patents)

Forward Citations (Not Self Cited) = 235(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kokubunji, JP (2003 - 2009)
  • Tachikawa, JP (2007 - 2016)
  • Tokyo, JP (2015 - 2023)

Company Filing History:

goldMedal38 out of 42,752 
 
Hitachi, Ltd.
 patents
silverMedal9 out of 3,781 
 
Renesas Technology Corp.
 patents
bronzeMedal5 out of 1,409 
 
Hitachi High-Tech Corporation
 patents
4. 2 out of 2,333 
 
Hitachi Metals, Ltd.
 patents
5. 1 out of 7,661 
 
Renesas Electronics Corporation
 patents

Years Active: 2003-2026

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Areas of Expertise:
Fuel Cell
Gas Sensor
Nonvolatile Memory
Semiconductor Storage
Optical Modulator
Phase-Change Thin Film
Vapor-Phase Growth
Memory Device
Device Fabrication
Solid Electrolyte Switching
Ion Movement Control
Fuel Battery System
55 patents (USPTO):Explore Patents
1. 12743605 - Information processing system and information processing method (2026-09-22),
2. 12738520 - Fuel battery cell and fuel battery module (2026-09-15),
3. 12646734 - Fuel cell array and fuel cell inspection method (2026-06-02),
4. 12620604 - Fuel cell and method for producing same (2026-05-05),
5. 11855318 - Fuel battery cell, fuel battery system, leak detection method (2023-12-26),
6. 11417892 - Fuel cell (2022-08-16),
7. 11054385 - Gas sensor (2021-07-06),
8. 10466198 - Gas sensor (2019-11-05),
9. 10429340 - Gas sensor (2019-10-01),
10. 9911916 - Method for vapor-phase growth of phase-change thin film, and device for vapor-phase growth of phase-change thin film (2018-03-06),
11. 9905756 - Semiconductor storage device (2018-02-27),
12. 9857610 - Optical modulator and method for manufacturing same (2018-01-02),
13. 9490429 - Nonvolatile memory device and method for manufacturing same (2016-11-08),
14. 9478284 - Semiconductor storage device (2016-10-25),
15. 9391268 - Semiconductor storage device (2016-07-12),

Title: Yoshitaka Sasago: Pioneering Inventor from Tachikawa

Introduction: Yoshitaka Sasago is a renowned inventor hailing from Tachikawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yoshitaka Sasago holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Sasago has worked with leading tech companies in Japan, spearheading research and development projects that have led to the creation of cutting-edge products and solutions.

Collaborations: Throughout his career, Yoshitaka Sasago has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing in the industry.

Conclusion: Yoshitaka Sasago's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazing inventor, inspiring the next generation of innovators to push the boundaries of what is possible in the world of technology.

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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