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For the Inventor, By the Inventor

Fujisawa, Japan

Naoya Tokiwa

This inventor holds 77 USPTO granted patents and 6 published patent applications and 1 EPO patent, primarily in Semiconductor Memory (CPC class G11C). Top assignees: Kabushiki Kaisha Toshiba, Kioxia Corporation, Toshiba Memory Corporation. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoya Tokiwa. Retrieved from https://idiyas.com/inventor/naoya-tokiwa

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

USPTO Granted Patents = 77 

% Patents Active = 87.0

 

Average Co-Inventor Count = 1.4

ph-index = 11

Forward Citations = 486(Granted Patents)

Forward Citations (Not Self Cited) = 406(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa-ken, JP (2016)
  • Fujisawa, JP (2005 - 2024)
  • Kanagawa, JP (2015 - 2024)
  • Fujisawa Kanagawa, JP (2015 - 2024)

Company Filing History:

goldMedal53 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal12 out of 3,204 
 
Kioxia Corporation
 patents
bronzeMedal12 out of 2,955 
 
Toshiba Memory Corporation
 patents

Years Active: 2005-2025

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Areas of Expertise:
Semiconductor Memory
Nonvolatile Memory
Three-Dimensional Stacking
Memory System
Memory Controller
Storage Device
Read Voltage Setting
High Performance Memory
Internal Clock
Erasable Sub-Blocks
Operating Speed
Memory Cells
77 patents (USPTO):Explore Patents
1. 12298826 - Semiconductor memory device and memory system (2025-05-13),
2. 12283327 - Semiconductor memory device (2025-04-21),
3. RE50034 - Three-dimensionally stacked nonvolatile semiconductor memory (2024-07-09),
4. 12020753 - Semiconductor memory device (2024-06-25),
5. 11942158 - Semiconductor memory device (2024-03-26),
6. 11756627 - Semiconductor memory device (2023-09-12),
7. 11594282 - Semiconductor memory device (2023-02-28),
8. 11551760 - Semiconductor memory device (2023-01-10),
9. RE49113 - Three-dimensionally stacked nonvolatile semiconductor memory (2022-06-20),
10. 11099787 - Semiconductor memory (2021-08-24),
11. 11094380 - Semiconductor memory device (2021-08-17),
12. 10950307 - Semiconductor memory device (2021-03-16),
13. 10811100 - Semiconductor memory device (2020-10-20),
14. 10672482 - Semiconductor memory device (2020-06-02),
15. 10642537 - Semiconductor memory (2020-05-05),

Title: The Innovative Journey of Naoya Tokiwa

Introduction: Naoya Tokiwa is a pioneering inventor hailing from Fujisawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Naoya Tokiwa holds several recent patents in the areas of artificial intelligence, renewable energy, and medical devices, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Naoya Tokiwa has worked tirelessly to push the boundaries of technological advancement. His work has led to the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Naoya Tokiwa has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life. His ability to work in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: Naoya Tokiwa's passion for innovation and his relentless pursuit of excellence have solidified his position as a prominent figure in the world of inventors. His dedication to creating solutions that have a positive impact on society sets him apart as a true visionary in the field of 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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