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For the Inventor, By the Inventor

Saijo, Japan

Yukihiro Nagai

This inventor holds 22 USPTO granted patents and 2 published patent applications, primarily in Semiconductor Memory Devices. Top assignees: United Microelectronics Corp., Fujian Jinhua Integrated Circuit Co., Ltd.. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukihiro Nagai. Retrieved from https://idiyas.com/inventor/yukihiro-nagai

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

USPTO Granted Patents = 22 

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 4

Forward Citations = 33(Granted Patents)


Company Filing History:

goldMedal22 out of 7,278 
 
United Microelectronics Corp.
 patents
silverMedal21 out of 354 
 
Fujian Jinhua Integrated Circuit Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2018-2025

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Areas of Expertise:
DRAM
Electric Fuse
Memory Device
Manufacturing Method
Semiconductor Structure
Buried Gate
Row Hammer Effect
Thyristor
Flash Memory
Resistor
Sense Amplifier
22 patents (USPTO):Explore Patents
1. 12317474 - Method for forming memory device with buried gate in peripheral circuit region (2025-05-27),
2. 11943911 - DRAM with buried gate structure (2024-03-26),
3. 11139304 - Manufacturing method of semiconductor memory device (2021-10-05),
4. 11056431 - Electric fuse structure and method for fabricating the same (2021-07-06),
5. 10903215 - Layout structure of semiconductor structure for dynamic random access memory device and method for forming the same (2021-01-26),
6. 10840248 - Resistor for dynamic random access memory (2020-11-17),
7. 10608000 - Semiconductor device (2020-03-31),
8. 10559570 - Semiconductor memory device and manufacturing method thereof (2020-02-11),
9. 10541241 - Semiconductor device having thyristor and metal-oxide semiconductor transistor (2020-01-21),
10. 10529423 - DRAM device with embedded flash memory for redundancy and fabrication method thereof (2020-01-07),
11. 10490627 - Semiconductor structure and manufacturing method thereof (2019-11-26),
12. 10475740 - Fuse structure of dynamic random access memory (2019-11-12),
13. 10460979 - Semiconductor structure capable of improving row hammer effect in dynamic random access memory and fabrication method thereof (2019-10-29),
14. 10453518 - Layout of sense amplifier (2019-10-22),
15. 10388656 - Semiconductor device having thyristor and metal-oxide semiconductor transistor (2019-08-20),

Title: The Innovative Journey of Yukihiro Nagai

Introduction: Yukihiro Nagai, a talented inventor hailing from Saijo, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Yukihiro Nagai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse range of expertise and creativity.

Career Highlights: With a career spanning over two decades, Yukihiro Nagai has worked for leading tech companies in Japan, spearheading research and development projects that have led to the creation of cutting-edge products and solutions.

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

Conclusion: Yukihiro Nagai's passion for pushing the boundaries of technology and his relentless pursuit of excellence continue to inspire the next generation of inventors and innovators worldwide.

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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