Yasufumi Tsumagari

This inventor holds 65 USPTO granted patents and 29 published patent applications and 1 EPO patent, primarily in Memory Systems (CPC class G06F). Top assignees: Kabushiki Kaisha Toshiba, Kioxia Corporation, Toshiba Memory Corporation. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasufumi Tsumagari. Retrieved from https://idiyas.com/inventor/yasufumi-tsumagari

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

Calculating rank

USPTO Granted Patents = 65 (Patent Applications = 29)

% Patents Active = 55.4

EPO Patents = 1 (Patent Applications = 2)

Average Co-Inventor Count = 3.1

ph-index = 14

Forward Citations = 796(Granted Patents)

Forward Citations (Not Self Cited) = 777(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokohama, JP (2002 - 2013)
Kanagawa-ken, JP (2015 - 2016)
Kawasaki, JP (2014 - 2023)

Company Filing History:

53 out of 53,286

Kabushiki Kaisha Toshiba

Toshiba Memory Corporation

patents

Years Active: 2002-2026

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Areas of Expertise:

Memory Card

Data Transmission

Wireless Communication

Information Processing

Storage System

Content Reproduction

Digital Video

Authentication Method

Information Storage

Reproducing Method

Management Information

Mapping Information

65 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12613800 - Controlling method of a memory card (2026-04-28),

2. 12355853 - Memory system allowing host to easily transmit and receive data (2025-07-08),

3. 12135641 - Controlling method of a memory card (2024-11-05),

4. 11836075 - Controlling method of a memory card (2023-12-05),

5. 11778066 - Memory system allowing host to easily transmit and receive data (2023-10-03),

6. 11442853 - Controlling method of a memory card (2022-09-13),

7. 11343345 - Memory system allowing host to easily transmit and receive data (2022-05-24),

8. 10838856 - Memory card (2020-11-17),

9. 10659553 - Memory system allowing host to easily transmit and receive data (2020-05-19),

10. 10380017 - Memory system capable of controlling wireless communication function (2019-08-13),

11. 10042757 - Memory system capable of controlling wireless communication function (2018-08-07),

12. 9760483 - Memory system capable of controlling wireless communication function (2017-09-12),

13. 9712636 - Memory system allowing host to easily transmit and receive data (2017-07-18),

14. 9501399 - Memory system capable of controlling wireless communication function (2016-11-22),

15. 9454495 - Memory system capable of prohibiting access to application software and system software (2016-09-27),

Title: The Innovative Journey of Inventor Yasufumi Tsumagari

Introduction: Yasufumi Tsumagari, a pioneering inventor hailing from Yokohama, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Yasufumi Tsumagari holds several patents in the field of robotics and artificial intelligence, with his most recent patent focusing on a revolutionary autonomous drone technology that has the potential to transform the delivery industry.

Career Highlights: With a background in engineering and a passion for pushing the boundaries of what is possible, Yasufumi Tsumagari has had a distinguished career marked by a series of innovative breakthroughs. From his early days as a researcher at a leading tech company to his current role as a sought-after consultant, Tsumagari's work has consistently impressed industry experts.

Collaborations: Throughout his career, Yasufumi Tsumagari has collaborated with top research institutions and universities around the world to further his research and bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of many of his projects.

Conclusion: In conclusion, Yasufumi Tsumagari's relentless pursuit of innovation and his unwavering commitment to excellence have established him as a true trailblazer in the world of technology. His inventions continue to inspire and shape the future of various industries, making him a respected figure in the global innovation community.

Profile summary based on public USPTO records.