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For the Inventor, By the Inventor

Yokohama, Japan

Tatsuo Izumi

This inventor holds 29 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Semiconductor Memory. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Memory Corporation, Kioxia Corporation. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuo Izumi. Retrieved from https://idiyas.com/inventor/tatsuo-izumi

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

USPTO Granted Patents = 29 

% Patents Active = 86.2


Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 429(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2012 - 2013)
  • Tokyo, JP (2013 - 2014)
  • Shinagawa-ku, JP (2015)
  • Kanagawa, JP (2015)
  • Yokkaichi Mie, JP (2019 - 2022)
  • Yokohama, JP (2010 - 2023)
  • Yokkaichi, JP (2019 - 2023)

Company Filing History:

goldMedal12 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal9 out of 2,955 
 
Toshiba Memory Corporation
 patents
bronzeMedal7 out of 3,189 
 
Kioxia Corporation
 patents
4. 1 out of 28,940 
 
Ricoh Company, Ltd.
 patents

Years Active: 2010-2026

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Areas of Expertise:
Semiconductor Memory Device
Nonvolatile Memory
Memory System
Control Method
Manufacturing Method
Vertical Memory Cell
Data Writing
Image Processing
29 patents (USPTO):Explore Patents
1. 12744089 - Semiconductor memory device (2026-09-22),
2. 12148479 - Semiconductor memory device (2024-11-19),
3. 11849586 - Semiconductor device and method of manufacturing the same (2023-12-19),
4. 11769553 - Semiconductor memory device (2023-09-26),
5. 11569253 - Semiconductor memory device (2023-01-31),
6. 11502100 - Semiconductor device and method of manufacturing the same (2022-11-15),
7. 11264061 - Control method for memory device (2022-03-01),
8. 11024646 - Memory device (2021-06-01),
9. 10991431 - Semiconductor memory device (2021-04-27),
10. 10804290 - Semiconductor device and method of manufacturing the same (2020-10-13),
11. 10593696 - Semiconductor memory device and method for manufacturing same (2020-03-17),
12. 10529735 - Memory device (2020-01-07),
13. 10510417 - Semiconductor memory device and memory system (2019-12-17),
14. 10431311 - Semiconductor memory device (2019-10-01),
15. 10424348 - Control method for memory device (2019-09-24),

Title: Tatsuo Izumi - Pioneering Inventor from Yokohama

Introduction: Tatsuo Izumi is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Izumi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over three decades, Izumi has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Izumi has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge-sharing that has led to numerous successful projects and inventions.

Conclusion: Tatsuo Izumi's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a visionary inventor in the global tech community.

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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