logo

For the Inventor, By the Inventor

Tokyo, Japan

Tadahiko Sugibayashi

This inventor holds 101 USPTO granted patents and 1 published patent application, primarily in Magnetic Memory Technology (CPC class 36523006). Top assignees: Nec Corporation, Tohoku University, Japan Science and Technology Agency. Active years: 1991-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadahiko Sugibayashi. Retrieved from https://idiyas.com/inventor/tadahiko-sugibayashi

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

USPTO Granted Patents = 101 

% Patents Active = 86.1

Average Co-Inventor Count = 2.0

ph-index = 17

Forward Citations = 1,824(Granted Patents)

Forward Citations (Not Self Cited) = 1,795(Dec 10, 2025)


Inventors with similar research interests:

🔬 See more inventors

Location History:

  • Minato-ku, JP (2010)
  • Tokyo, JP (1991 - 2019)

Company Filing History:

goldMedal100 out of 36,684 
 
Nec Corporation
 patents
silverMedal4 out of 1,051 
 
Tohoku University
 patents
bronzeMedal1 out of 1,328 
 
Japan Science and Technology Agency
 patents
4. 1 out of 2,467 
 
Nec Electronics Corporation
 patents
5. 1 out of 890 
 
Riken Corporation
 patents
where one patent can have more than one assignee

Years Active: 1991-2019

Loading Chart...
Areas of Expertise:
Magnetic Memory
MRAM
Nonvolatile Logic Gate
Semiconductor Device
Memory Cell
Crossbar Switch
Content Addressable Memory
Logic Circuit
Power Supply Control
Magnetoresistive Element
Resistance Change Memory
Sensor Node
101 patents (USPTO):Explore Patents
1. 10312288 - Switching element, semiconductor device, and semiconductor device manufacturing method (2019-06-04),
2. 10262738 - Content addressable memory cell and content addressable memory (2019-04-16),
3. 10074421 - Crossbar switch type memory circuit, look-up table circuit, and programming method (2018-09-11),
4. 9837816 - Semiconductor device, power supply control method of semiconductor device, and sensor node (2017-12-05),
5. 9799822 - Magnetic memory element and magnetic memory (2017-10-24),
6. 9536584 - Nonvolatile logic gate device (2017-01-03),
7. 9478309 - Magnetic-domain-wall-displacement memory cell and initializing method therefor (2016-10-25),
8. 9379312 - Magnetoresistive effect element and magnetic random access memory using the same (2016-06-28),
9. 9299435 - Nonvolatile content addressable memory and method for operating same (2016-03-29),
10. 9100013 - Nonvolatile resistor network assembly and nonvolatile logic gate with increased fault tolerance using the same (2015-08-04),
11. 8902644 - Semiconductor storage device and its manufacturing method (2014-12-02),
12. 8737119 - Magnetic memory cell and magnetic random access memory (2014-05-27),
13. 8693238 - MRAM having variable word line drive potential (2014-04-08),
14. 8510633 - Semiconductor storage device and method of operating the same (2013-08-13),
15. 8503222 - Non-volatile logic circuit (2013-08-06),

Certainly! Here is the article about inventor Tadahiko Sugibayashi:

Title: The Innovative Work of Tadahiko Sugibayashi in Semiconductor Technology

Introduction:

Tadahiko Sugibayashi is a pioneering inventor based in Tokyo, Japan, with a significant impact in the field of semiconductor technology. With a noteworthy portfolio of 101 patents, Sugibayashi has made substantial contributions to the industry through his cutting-edge innovations.

Latest Patents:

Among his recent patents is a groundbreaking 'Switching Element, Semiconductor Device, and Semiconductor Device Manufacturing Method'. This invention addresses the challenge of controlling programming in semiconductor devices with two-terminal-type variable resistance elements, reducing malfunctions. Another notable patent is the 'Content Addressable Memory Cell and Content Addressable Memory', which focuses on enhancing the efficiency and reducing the area of memory cells while minimizing leak currents.

Career Highlights:

Sugibayashi has a distinguished career history, having worked at renowned institutions such as NEC Corporation and Tohoku University. His expertise and inventive prowess have been instrumental in advancing semiconductor technologies and creating innovative solutions for complex challenges in the industry.

Collaborations:

Throughout his career, Sugibayashi has collaborated with esteemed professionals in the field, including coworkers Noboru Sakimura and Takeshi Honda. These collaborations have fostered a culture of innovation, leading to the development of cutting-edge technologies and solutions that have propelled the industry forward.

Conclusion:

In conclusion, Tadahiko Sugibayashi stands as a visionary inventor in the realm of semiconductor technology, with a remarkable track record of patents and innovations that have significantly impacted the industry. His relentless pursuit of excellence and collaborative spirit have established him as a key figure in driving technological advancements and shaping the future of semiconductor devices.

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]
Loading…