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For the Inventor, By the Inventor

Tokyo, Japan

Shinobu Fujita

This inventor holds 93 USPTO granted patents and 10 published patent applications, primarily in Magnetic Memory Systems (CPC class G11C11-1673). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Memory Corporation, Kioxia Corporation. Active years: 1994-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinobu Fujita. Retrieved from https://idiyas.com/inventor/shinobu-fujita

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

Calculating rank
USPTO Granted Patents = 93 

% Patents Active = 72.0

Average Co-Inventor Count = 2.5

ph-index = 11

Forward Citations = 418(Granted Patents)

Forward Citations (Not Self Cited) = 396(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Yokohama, JP (1994)
  • Kawasaki, JP (2001 - 2011)
  • Kanagawa-ken, JP (2000 - 2012)
  • Inagi, JE (2015)
  • Inagi, JP (2012 - 2019)
  • Koto, JP (2019)
  • Koto Tokyo, JP (2021)
  • Tokyo, JP (2012 - 2022)

Company Filing History:

goldMedal82 out of 53,286 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal9 out of 2,955 
 
Toshiba Memory Corporation
 patents
bronzeMedal1 out of 3,216 
 
Kioxia Corporation
 patents
4. 1 out of 5,519 
 
Leland Stanford Junior University
 patents
5. 1 out of 123 
 
Toshiba America Research, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1994-2022

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Areas of Expertise:
Magnetic Memory
Cache Memory
Nonvolatile Memory
Processor System
Memory Control Circuit
Spin Orbit Torque
Data Generation
Authentication System
Resistance Change Memory
Memory System
Semiconductor Memory
Magnetoresistive Elements
93 patents (USPTO):Explore Patents
1. 11481191 - Arithmetic device having magnetoresistive effect elements (2022-10-25),
2. 11017827 - Magnetic device storing first and second values (2021-05-25),
3. 10956085 - Memory system and processor system (2021-03-23),
4. 10896708 - Magnetic memory device (2021-01-19),
5. 10867649 - Magnetic memory device (2020-12-15),
6. 10748595 - Magnetic memory including meomory units and circuits for reading and writing data and memory system (2020-08-18),
7. 10642685 - Cache memory and processor system (2020-05-05),
8. 10592163 - Controlling write pulse width to non-volatile memory based on free space of a storage (2020-03-17),
9. 10585587 - Memory control circuitry, memory system and processor system (2020-03-10),
10. 10564871 - Memory system having multiple different type memories with various data granularities (2020-02-18),
11. 10528270 - Memory system having nonvolatile memory and volatile memory and processor system (2020-01-07),
12. 10521134 - Memory system (2019-12-31),
13. 10496546 - Cache memory and processor system (2019-12-03),
14. 10481975 - Memory system (2019-11-19),
15. 10460784 - Magnetic memory and memory system (2019-10-29),

Title: The Innovative Mind of Shinobu Fujita

Introduction

Shinobu Fujita is a prominent inventor based in Tokyo, Japan, known for his groundbreaking contributions in the field of technology. With an impressive portfolio of 93 patents, Fujita has demonstrated an exceptional ability to innovate and drive advancements in computational devices and magnetic technology.

Latest Patents

Fujita's latest inventions include an arithmetic device that incorporates magnetoresistive effect elements. According to one embodiment, this arithmetic device consists of a first computational circuit and a second computational circuit, each containing magnetoresistive elements designed to enhance computational processing. The device is equipped with a control circuit that ensures optimal operation by setting conditions regarding write operations based on error information from these elements. Another notable patent involves a magnetic device capable of storing first and second values. This device integrates a first conductive layer with a magnetoresistive effect element and circuitry designed to retain logical data. Both inventions exemplify Fujita's dedication to enhancing performance and reliability in technological applications.

Career Highlights

Throughout his career, Shinobu Fujita has made substantial contributions while working with major companies such as Kabushiki Kaisha Toshiba and Toshiba Memory Corporation. His work in these organizations has allowed him to develop cutting-edge technology that propels industries forward, particularly in the realms of electronic devices and data processing.

Collaborations

Fujita has worked alongside esteemed colleagues, including Hiroki Noguchi and Keiko Abe. These collaborations have resulted in sharing knowledge and expertise, further enriching the innovative projects and patents that Fujita has developed over the years.

Conclusion

In summary, Shinobu Fujita stands out as a visionary inventor whose work has significantly shaped the fields of computing and magnetic technology. With his portfolio boasting 93 patents and numerous contributions to industry-leading companies, Fujita continues to be a key figure in technological advancements, inspiring future generations of inventors and engineers.

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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