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For the Inventor, By the Inventor

Iruma, Japan

Kazuyuki Miyazawa

This inventor holds 60 USPTO granted patents, primarily in Semiconductor Memory (CPC class 3652). Top assignees: Hitachi, Ltd., Hitachi Vlsi Engineering Corp., Hitachi Ulsi Systems Co., Ltd.. Active years: 1985-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyuki Miyazawa. Retrieved from https://idiyas.com/inventor/kazuyuki-miyazawa

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 = 85.0

Average Co-Inventor Count = 5.8

ph-index = 17

Forward Citations = 820(Granted Patents)

Forward Citations (Not Self Cited) = 781(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kodaira, JP (1985 - 1991)
  • Irume, JP (1996)
  • Hidaka, JP (1997 - 2007)
  • Iruma, JP (1989 - 2009)

Company Filing History:

goldMedal57 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal13 out of 182 
 
Hitachi Vlsi Engineering Corp.
 patents
bronzeMedal4 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
4. 3 out of 87 
 
Hitachi Ulsi Engineering Corp.
 patents
5. 2 out of 1,458 
 
Elpida Memory, Inc.
 patents
6. 1 out of 217 
 
Hitachi Device Engineering Co., Ltd.
 patents
7. 1 out of 149 
 
Hitachi Microcomputer Engineering, Ltd.
 patents
8. 1 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
9. 2 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1985-2009

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Areas of Expertise:
Semiconductor Memory
Non-Volatile Memory
Flash Memory
Defect Remedying
Integrated Circuit
Dynamic RAM
Voltage Generating Circuit
Memory Device
Storage Device
Substrate Arrangement
Zigzag Bonding Pad
MISFET
60 patents (USPTO):Explore Patents
1. 7499340 - Semiconductor memory device and defect remedying method thereof (2009-03-03),
2. 7345929 - Semiconductor memory device and defect remedying method thereof (2008-03-18),
3. 7257026 - Non-volatile multi-level semiconductor flash memory device and method of driving same (2007-08-14),
4. 7203101 - Semiconductor memory device and defect remedying method thereof (2007-04-10),
5. 7079416 - Non-volatile multi-level, semiconductor flash memory device and method of driving same (2006-07-18),
6. 7016236 - Semiconductor memory device and defect remedying method thereof (2006-03-21),
7. 6992343 - Semiconductor memory device (2006-01-31),
8. 6906971 - Semiconductor integrated circuit device (2005-06-14),
9. 6898130 - Semiconductor memory device and defect remedying method thereof (2005-05-24),
10. 6828612 - Semiconductor memory device (2004-12-07),
11. 6788572 - Non-volatile multi-level semiconductor flash memory device and method of driving same (2004-09-07),
12. 6657901 - Semiconductor device formed in a rectangle region on a semiconductor substrate including a voltage generating circuit (2003-12-02),
13. 6590808 - Non-volatile multi-level semiconductor flash memory device and method of driving same (2003-07-08),
14. 6515913 - Semiconductor memory device and defect remedying method thereof (2003-02-04),
15. 6496411 - Non-volatile multi-level semiconductor flash memory device and method of driving same (2002-12-17),

Title: Kazuyuki Miyazawa: Pioneering Inventor from Iruma

Introduction: Kazuyuki Miyazawa is a renowned inventor hailing from Iruma, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Miyazawa's latest patents include innovative designs in the fields of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to pushing the boundaries of technology.

Career Highlights: With a career spanning over two decades, Miyazawa has worked with leading tech companies in Japan, spearheading research and development projects that have resulted in numerous successful patents and inventions.

Collaborations: Miyazawa has collaborated with top research institutions and universities in Japan, fostering a culture of innovation and knowledge-sharing to drive technological advancements in the country and beyond.

Conclusion: Kazuyuki Miyazawa's dedication to innovation and his relentless pursuit of technological advancement have solidified his reputation as a pioneering inventor in Iruma and a key figure in the global tech industry.

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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