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For the Inventor, By the Inventor

Kasugai, Japan

Yoshiharu Kato

This inventor holds 61 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent, primarily in Semiconductor Technology (CPC class 3652). Top assignees: Fujitsu Corporation, Fujitsu Vlsi Limited, Fujitsu Semiconductor Limited. Active years: 1992-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiharu Kato. Retrieved from https://idiyas.com/inventor/yoshiharu-kato

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

USPTO Granted Patents = 61

% Patents Active = 72.1



Average Co-Inventor Count = 1.8

ph-index = 14

Forward Citations = 746(Granted Patents)

Forward Citations (Not Self Cited) = 742(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kawasaki, JP (1996 - 2009)
  • Kasugai, JP (1992 - 2015)

Company Filing History:

goldMedal51 out of 39,371 
 
Fujitsu Corporation
 patents
silverMedal7 out of 154 
 
Fujitsu Vlsi Limited
 patents
bronzeMedal6 out of 1,674 
 
Fujitsu Semiconductor Limited
 patents
4. 3 out of 467 
 
Fujitsu Microelectronics Limited
 patents
5. 1 out of 1,075 
 
Spansion LLC.
 patents
where one patent can have more than one assignee

Years Active: 1992-2015

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Areas of Expertise:
Semiconductor Device
Voltage Divider
Memory Interface Circuit
Testing Method
Refresh Control
Nonvolatile Memory
Test Circuit
Multi Chip Package
Data Access Method
Control Method
Integrated Circuit
Duplex Memory Control
61 patents (USPTO):Explore Patents
1. 8928397 - Semiconductor device and voltage divider (2015-01-06),
2. 8878336 - Fuse (2014-11-04),
3. 8711643 - Memory interface circuit, memory interface method, and electronic device (2014-04-29),
4. 8560993 - Semiconductor device and method of testing the same (2013-10-15),
5. 8023353 - Semiconductor memory device, refresh control method thereof, and test method thereof (2011-09-20),
6. 7827468 - Memory system including nonvolatile memory and volatile memory and operating method of same (2010-11-02),
7. 7764559 - Semiconductor memory device, refresh control method thereof, and test method thereof (2010-07-27),
8. 7579875 - Interface circuit and control method thereof (2009-08-25),
9. 7562335 - Semiconductor device and method of testing the same (2009-07-14),
10. 7551612 - Intra-station control system for connectionless communications system (2009-06-23),
11. 7495990 - Semiconductor memory device and method of controlling the semiconductor memory device (2009-02-24),
12. 7388791 - Signal interface (2008-06-17),
13. 7362649 - Memory control device and memory control method (2008-04-22),
14. 7251766 - Test method and test circuit for electronic device (2007-07-31),
15. 7245549 - Semiconductor memory device and method of controlling the semiconductor memory device (2007-07-17),

Title: Yoshiharu Kato: Pioneering Inventor from Kasugai

Introduction: Yoshiharu Kato is a renowned inventor hailing from Kasugai, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kato's latest patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to pushing the boundaries of technological development.

Career Highlights: With a career spanning over two decades, Kato has worked with leading tech companies and research institutions, holding key positions in research and development departments. His innovative mindset and problem-solving skills have led to the successful development of numerous cutting-edge technologies.

Collaborations: Throughout his career, Kato has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and knowledge sharing. His collaborative projects have resulted in the creation of revolutionary products that have had a significant impact on various industries.

Conclusion: Yoshiharu Kato's passion for innovation and his relentless pursuit of technological advancement have solidified his reputation as a visionary inventor in the global tech community. His contributions continue to inspire future generations of inventors and shape the landscape of modern 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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