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For the Inventor, By the Inventor

Tokyo, Japan

Satoru Akiyama

This inventor holds 62 USPTO granted patents and 5 published patent applications and 4 EPO patents, primarily in Semiconductor Devices (CPC class H01L). Top assignees: Hitachi, Ltd., Elpida Memory, Inc., Subaru Corporation. Active years: 2002-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoru Akiyama. Retrieved from https://idiyas.com/inventor/satoru-akiyama

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

USPTO Granted Patents = 62 

% Patents Active = 40.3

 

Average Co-Inventor Count = 3.1

ph-index = 10

Forward Citations = 343(Granted Patents)

Forward Citations (Not Self Cited) = 325(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sagamihara, JP (2009 - 2011)
  • Kokubunji, JP (2002 - 2012)
  • Kawasaki, JP (2007 - 2012)
  • Machida, JP (2015)
  • Tokyo, JP (2011 - 2024)

Company Filing History:

goldMedal29 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal16 out of 1,458 
 
Elpida Memory, Inc.
 patents
bronzeMedal8 out of 2,437 
 
Subaru Corporation
 patents
4. 6 out of 7,651 
 
Renesas Electronics Corporation
 patents
5. 5 out of 2,208 
 
Fuji Jukogyo Kabushiki Kaisha
 patents
6. 4 out of 3,781 
 
Renesas Technology Corp.
 patents
7. 3 out of 92,901 
 
Canon Kabushiki Kaisha
 patents
8. 1 out of 1,410 
 
Yokogawa Electric Corporation
 patents
where one patent can have more than one assignee

Years Active: 2002-2025

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Areas of Expertise:
Semiconductor Device
Vehicle Control
Power Conversion
Diffusion Layer
Electric Vehicle
Gate Drive Circuit
Silicon Carbide
Driver Circuit
Memory Device
Steering Control
Image Pickup
Automatic Steering
62 patents (USPTO):Explore Patents
1. 12396374 - Semiconductor device comprising plurality of diffusion layer electrodes with different conductivities and gate electrodes (2025-08-19),
2. 12155216 - DC grid system, control device, and control method (2024-11-26),
3. 12145530 - Vehicle theft deterrent apparatus (2024-11-19),
4. 11993252 - Vehicle control apparatus (2024-05-28),
5. 11993238 - Vehicle controller (2024-05-28),
6. 11945431 - Vehicle control apparatus (2024-04-02),
7. 11893873 - Information collection apparatus, computer-readable recording medium, and information collection method (2024-02-06),
8. 11560174 - Automatic steering control device (2023-01-24),
9. 11214299 - Automatic steering control device for vehicle (2022-01-04),
10. 10607978 - Semiconductor device and electronic apparatus (2020-03-31),
11. 10511301 - Gate drive circuit, power conversion apparatus, and railway vehicle (2019-12-17),
12. 10115700 - Power module, electrical power conversion device, and driving device for vehicle (2018-10-30),
13. 9960153 - Semiconductor device and electronic apparatus of a cascode-coupled system (2018-05-01),
14. 9825166 - Silicon carbide semiconductor device and method for producing same (2017-11-21),
15. 9776641 - Travel control apparatus for vehicle (2017-10-03),

Title: Satoru Akiyama: Pioneering Inventor from Tokyo

Introduction: Satoru Akiyama is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over two decades, Akiyama has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Akiyama has collaborated with top research institutions and universities in Japan, fostering a culture of innovation and knowledge-sharing that has led to significant advancements in various technological domains.

Conclusion: Satoru Akiyama's passion for innovation, coupled with his relentless pursuit of excellence, has solidified his reputation as a visionary inventor whose work continues to inspire future generations of inventors 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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