Kawasaki, Japan

Isao Fukushi

This inventor holds 19 USPTO granted patents, primarily in Semiconductor Memory. Top assignees: Fujitsu Corporation, Fujitsu Microelectronics Limited, Fujitsu Vlsi Limited. Active years: 1986-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Fukushi. Retrieved from https://idiyas.com/inventor/isao-fukushi

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


% Patents Active = 89.5

Average Co-Inventor Count = 1.7

ph-index = 8

Forward Citations = 256(Granted Patents)


Location History:

  • Tokyo, JP (1988 - 1989)
  • Yokohama, JP (1986 - 1992)
  • Kawasaki, JP (1994 - 2012)

Company Filing History:


Years Active: 1986-2012

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Areas of Expertise:
Non-Volatile Memory
Ferroelectric Memory
Redundancy Circuits
Voltage Detection
Sense Amplifier
Multi-Port Memory
MOSFET Circuits
Random Access Memory
Bipolar Circuits
Sensing Timing
19 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Isao Fukushi in Semiconductor Technology**

Introduction

Isao Fukushi, a prominent inventor based in Kawasaki, Japan, has made significant contributions to the field of semiconductor technology. With a portfolio of 19 patents, his innovative solutions have played a key role in advancing memory cell functionality and power supply voltage detection circuits.

Latest Patents

Fukushi's recent patents include groundbreaking innovations such as a semiconductor memory design. This invention features a regular capacitor that is saturated by an electric charge from a memory cell holding a high logic level, while remaining unsaturated from a low logic level. A reference capacitor is also utilized, which enhances the read margin by differentially amplifying the voltage differences within the memory cells.

Another notable invention is the power supply voltage detection circuit, which incorporates a series of switches and resistances. This design provides accurate detection of power supply voltage based on external signals, showcasing Fukushi's ingenuity in circuit design.

Career Highlights

Throughout his career, Isao Fukushi has worked with renowned companies, including Fujitsu Corporation and Fujitsu Microelectronics Limited. His expertise and dedication have contributed to the development of cutting-edge technologies that impact various sectors within the electronics industry.

Collaborations

Fukushi has collaborated with fellow innovators, including Shoichiro Kawashima and Tomoharu Awaya. These partnerships have allowed him to share knowledge and resources, further enhancing his contributions to semiconductor advancements.

Conclusion

Isao Fukushi's work exemplifies the spirit of innovation in semiconductor technology. With his extensive patent portfolio and collaborative efforts, he continues to influence the landscape of electronics, paving the way for future advancements in the industry.

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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