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For the Inventor, By the Inventor

Kawasaki, Japan

Yasuhiro Fujii

This inventor holds 28 USPTO granted patents, primarily in Semiconductor Technology. Top assignees: Fujitsu Corporation, Fujitsu Semiconductor Limited, Fujitsu Vlsi Limited. Active years: 1986-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Fujii. Retrieved from https://idiyas.com/inventor/yasuhiro-fujii

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

Calculating rank
USPTO Granted Patents = 28

% Patents Active = 96.4

Average Co-Inventor Count = 2.1

ph-index = 14

Forward Citations = 476(Granted Patents)


Location History:

  • Kawasaki, JP (1992 - 2004)
  • Yokohama, JP (1986 - 2013)

Company Filing History:

goldMedal24 out of 39,381 
 
Fujitsu Corporation
 patents
silverMedal1 out of 1,674 
 
Fujitsu Semiconductor Limited
 patents
bronzeMedal1 out of 154 
 
Fujitsu Vlsi Limited
 patents
4. 3 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1986-2013

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Areas of Expertise:
Semiconductor Device
Integrated Circuit
Memory Device
Data Transfer
Dynamic Random Access Memory
Testing Method
Hierarchical Bit Lines
Timing-Stabilization Circuit
Probe Pin Contact
Voltage Booster Circuit
Fuses
MOS Circuit
28 patents (USPTO):Explore Patents
1. 8542041 - Semiconductor device and system (2013-09-24),
2. 6774655 - Semiconductor device, method of testing the semiconductor device, and semiconductor integrated circuit (2004-08-10),
3. 6708263 - Data transfer memory having the function of transferring data on a system bus (2004-03-16),
4. 6621283 - Semiconductor device, method of testing the semiconductor device, and semiconductor integrated circuit (2003-09-16),
5. 6467323 - Plate reduction press apparatus and methods (2002-10-22),
6. 6463652 - Apparatus and methods for manufacturing hot rolled steel sheets (2002-10-15),
7. 6393541 - Data transfer memory having the function of transferring data on a system bus (2002-05-21),
8. 6200245 - Apparatus and method for changing dies (2001-03-13),
9. 6194930 - DLL circuit (2001-02-27),
10. 6133781 - Semiconductor device utilizing unnecessary electric charge on (2000-10-17),
11. 6108793 - Semiconductor device having timing-stabilization circuit and method of (2000-08-22),
12. 6063640 - Semiconductor wafer testing method with probe pin contact (2000-05-16),
13. 5973525 - Integrated circuit device (1999-10-26),
14. 5917745 - Semiconductor memory device (1999-06-29),
15. 5828594 - Semiconductor memory with hierarchical bit lines (1998-10-27),

Title: Yasuhiro Fujii: Innovator in Semiconductor Technology

Introduction

Yasuhiro Fujii is an accomplished inventor based in Kawasaki, Japan, with a remarkable portfolio of 28 patents. His work primarily focuses on semiconductor technology, contributing innovative solutions that enhance device performance and testing capabilities.

Latest Patents

Yasuhiro Fujii's latest patents address significant advancements in semiconductor devices and systems. One notable invention describes a semiconductor device featuring a trio of transistors designed to improve operational efficiency and initialize internal nodes securely during power supply variations. Another recent patent introduces a method of testing semiconductor devices, which includes a built-in test circuit that allows cost-effective contact testing of external terminals. This innovation enables the device to switch between operation modes seamlessly based on specific control signals, thereby enhancing its functionality and robustness.

Career Highlights

Throughout his career, Yasuhiro Fujii has worked with notable companies, including Fujitsu Corporation, where he has made substantial contributions to the field of semiconductors. His work has not only advanced product development but also set new standards for reliability and efficiency in integrated circuits.

Collaborations

Fujii has collaborated with esteemed colleagues like Masao Nakano and Yasurou Matsuzaki, further fostering innovation through teamwork and shared expertise in semiconductor technology. These collaborations have enriched his research and invention processes, leading to the significant patent contributions he is known for today.

Conclusion

Yasuhiro Fujii stands out as a prominent figure in the realm of semiconductor innovations. His portfolio of patents reflects a commitment to enhancing technology through inventive solutions, ensuring that semiconductor devices are more efficient and reliable. As the industry evolves, Fujii’s contributions will undoubtedly play a critical role in shaping the future of electronic 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]
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