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For the Inventor, By the Inventor

Yokkaichi, Japan

Hirofumi Tokita

This inventor holds 11 USPTO granted patents and 9 published patent applications. Top assignee: Sandisk Technologies Inc.. Active years: 2020-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Tokita. Retrieved from https://idiyas.com/inventor/hirofumi-tokita

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

USPTO Granted Patents = 11 

% Patents Active = 81.8

Average Co-Inventor Count = 3.4

ph-index = 7

Forward Citations = 79(Granted Patents)


Company Filing History:

goldMedal11 out of 4,955 
 
Sandisk Technologies Inc.
 patents

Years Active: 2020-2026

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11 patents (USPTO):Explore Patents
1. 12672287 - Three-dimensional memory device containing scaleless staircase structures and methods of forming the same (2026-06-30),
2. 12354955 - Three-dimensional memory device with high contact via density and methods of forming the same (2025-07-08),
3. 12347492 - Three-dimensional memory device with high contact via density and methods of forming the same (2025-07-01),
4. 11398488 - Three-dimensional memory device including through-memory-level via structures and methods of making the same (2022-07-26),
5. 11367736 - Through-stack contact via structures for a three-dimensional memory device and methods of forming the same (2022-06-21),
6. 11355506 - Through-stack contact via structures for a three-dimensional memory device and methods of forming the same (2022-06-07),
7. 11342245 - Through-stack contact via structures for a three-dimensional memory device and methods of forming the same (2022-05-24),
8. 11139237 - Three-dimensional memory device containing horizontal and vertical word line interconnections and methods of forming the same (2021-10-05),
9. 11133252 - Three-dimensional memory device containing horizontal and vertical word line interconnections and methods of forming the same (2021-09-28),
10. 11114459 - Three-dimensional memory device containing width-modulated connection strips and methods of forming the same (2021-09-07),
11. 10872857 - Three-dimensional memory device containing through-array contact via structures between dielectric barrier walls and methods of making the same (2020-12-22),

Title: Hirofumi Tokita: Pioneering Inventor from Yokkaichi

Introduction: Hirofumi Tokita is a renowned inventor hailing from Yokkaichi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over two decades, Hirofumi Tokita has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Hirofumi Tokita has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Hirofumi Tokita's relentless pursuit of innovation and his passion for creating technology that positively impacts society solidify his position as a pioneering inventor in Yokkaichi and beyond.

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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