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For the Inventor, By the Inventor

Kawasaki, Japan

Kuninori Kawabata

This inventor holds 60 USPTO granted patents and 4 published patent applications and 4 EPO patents, primarily in Semiconductor Memory (CPC class G11C). Top assignees: Fujitsu Corporation, Fujitsu Semiconductor Limited, Fujitsu Microelectronics Limited. Active years: 1999-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kuninori Kawabata. Retrieved from https://idiyas.com/inventor/kuninori-kawabata

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

USPTO Granted Patents = 60 

% Patents Active = 55.0

 

Average Co-Inventor Count = 3.2

ph-index = 12

Forward Citations = 475(Granted Patents)

Forward Citations (Not Self Cited) = 467(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa, JP (2003)
  • Kawasaki, JP (1999 - 2014)

Company Filing History:

goldMedal44 out of 39,374 
 
Fujitsu Corporation
 patents
silverMedal9 out of 1,674 
 
Fujitsu Semiconductor Limited
 patents
bronzeMedal4 out of 467 
 
Fujitsu Microelectronics Limited
 patents
4. 2 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
5. 3 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1999-2014

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Areas of Expertise:
Semiconductor Memory Device
Error Correction
Refresh Interval
Integrated Circuit
Memory Controller
Nonvolatile Memory
Data Read
Word Line Structure
Power Consumption
High Speed Latch
Compression Test
Load Balancing Circuit
60 patents (USPTO):Explore Patents
1. 8867293 - Semiconductor memory device changing refresh interval depending on temperature (2014-10-21),
2. 8472275 - Semiconductor memory device changing refresh interval depending on temperature (2013-06-25),
3. 8286054 - Semiconductor memory, operating method of semiconductor memory, and system (2012-10-09),
4. 8238188 - Semiconductor memory device changing refresh interval depending on temperature (2012-08-07),
5. 8078938 - Semiconductor memory, semiconductor memory system, and error correction method for semiconductor memory (2011-12-13),
6. 7916568 - Semiconductor memory device changing refresh interval depending on temperature (2011-03-29),
7. 7911874 - Semiconductor integrated circuit (2011-03-22),
8. 7827463 - Semiconductor memory device (2010-11-02),
9. 7818516 - Memory controller, semiconductor memory, and memory system (2010-10-19),
10. 7706209 - Semiconductor memory device capable of driving non-selected word lines to a variable negative potential based on a bank access operation (2010-04-27),
11. 7675800 - Semiconductor memory, memory controller, system, and operating method of semiconductor memory (2010-03-09),
12. 7599244 - Semiconductor memory, memory controller and control method for semiconductor memory (2009-10-06),
13. 7548468 - Semiconductor memory and operation method for same (2009-06-16),
14. 7467337 - Semiconductor memory device (2008-12-16),
15. 7453754 - Semiconductor memory device changing refresh interval depending on temperature (2008-11-18),

Title: Kuninori Kawabata: Innovator in Semiconductor Technology

Introduction

Kuninori Kawabata is a renowned inventor based in Kawasaki, Japan, known for his significant contributions to semiconductor technology. With an impressive portfolio of 60 patents, he has made revolutionary advancements in the field, particularly focusing on memory devices.

Latest Patents

One of his latest innovations is a semiconductor memory device that effectively changes the refresh interval depending on temperature. This innovative device includes a memory core circuit that features memory cells designed for data storage. It incorporates a control circuit that adjusts the refresh interval based on temperature variations detected by a temperature sensing unit. Specifically, upon detecting a predetermined rise in temperature, the refresh interval is shortened instantly. Conversely, when a temperature drop is detected, the refresh interval is elongated after ensuring that every memory cell has been refreshed at least once.

Career Highlights

Throughout his career, Kuninori Kawabata has worked with prominent organizations such as Fujitsu Corporation and Fujitsu Semiconductor Limited. His tenure at these companies has allowed him to lead and collaborate on various groundbreaking projects, solidifying his reputation as a critical player in semiconductor innovation.

Collaborations

Kuninori Kawabata has collaborated with noteworthy individuals such as Satoshi Eto and Masato Matsumiya. These collaborations have produced significant advancements in the semiconductor industry, showcasing the power of teamwork and shared expertise in fostering innovation.

Conclusion

Kuninori Kawabata's work in semiconductor technology, particularly in memory devices, demonstrates his unyielding commitment to innovation. His extensive patent portfolio not only reflects his expertise but also contributes to the ongoing evolution of technology in our increasingly digital world.

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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