Akishima, Japan

Masaaki Terasawa

This inventor holds 31 USPTO granted patents, primarily in Flash Memory Technology. Top assignees: Hitachi, Ltd., Renesas Technology Corp., Hitachi Vlsi Engineering Corp.. Active years: 1987-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Terasawa. Retrieved from https://idiyas.com/inventor/masaaki-terasawa

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


% Patents Active = 58.1

Average Co-Inventor Count = 5.4

ph-index = 11

Forward Citations = 379(Granted Patents)


Company Filing History:


Years Active: 1987-2011

Loading Chart...
Areas of Expertise:
Flash Memory
Microcomputer
Data Processing
Nonvolatile Memory
Charge Pump
Semiconductor IC
Voltage Control
Printed Board
Memory Cell
Erasable Memory
Integrated Circuit
31 patents (USPTO):Explore Patents

Title: Masaaki Terasawa - Innovator in Semiconductor Technologies

Introduction

Masaaki Terasawa, based in Akishima, Japan, is a distinguished inventor known for his significant contributions to the field of semiconductor technologies. With an impressive portfolio of 31 patents, he has developed innovative solutions that enhance the functionality and efficiency of memory devices and microcomputers. His work has not only advanced technological capabilities but also improved operational efficiencies in various applications.

Latest Patents

One of Masaaki Terasawa's latest patents is titled “Data Line Disturbance Free Memory Block Divided Flash Memory and Microcomputer Having Flash Memory Therein.” This patent describes a semiconductor device featuring an electrically erasable and programmable nonvolatile memory. It includes rewritable nonvolatile memory with memory cells organized in rows and columns, facilitating both flash and selective erasure of individual memory cell units. This innovation enables the microcomputer chip to switch between operation modes, allowing it to be rewritten under the control of either the processing unit or an external writing circuit.

Additionally, he holds a patent for a “Data Processing Circuit for Contactless IC Card.” This invention aims to significantly reduce peak current during the operation of a boosting circuit used for an EEPROM. It employs a sophisticated clock signal management system to optimize voltage boosting while minimizing power consumption during erase/write operations. Such advancements not only enhance device performance but also contribute to better energy efficiency.

Career Highlights

Throughout his career, Masaaki Terasawa has worked with prominent companies such as Hitachi, Ltd. and Renesas Technology Corporation. His roles in these organizations have allowed him to spearhead key projects and drive innovation in the semiconductor sector. Through his research and development efforts, he has made strides in the design and implementation of cutting-edge semiconductor technologies.

Collaborations

Masaaki Terasawa has collaborated with notable professionals in his field, including Kiyoshi Matsubara and Kenichi Kuroda. These collaborations have led to fruitful discussions and developments that have advanced semiconductor technology and memory devices. The synergy of ideas among these inventors has resulted in patents that push the boundaries of what is possible in electronics.

Conclusion

Masaaki Terasawa’s impressive body of work and dedication to innovation is reflected in his numerous patents and collaborations. His contributions to semiconductor technology have not only impacted the industry but have also paved the way for future advancements. As a leading inventor, he continues to inspire and influence the field, proving that innovative thinking is key to driving technological progress.

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…