Tokyo, Japan

Shinzo Sakuma

This inventor holds 11 USPTO granted patents. Top assignees: Oki Electric Industry Co., Ltd., Oki Semiconductor Co., Ltd.. Active years: 1994-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinzo Sakuma. Retrieved from https://idiyas.com/inventor/shinzo-sakuma-i6mccom1

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


% Patents Active = 54.5

Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 251(Granted Patents)


Company Filing History:


Years Active: 1994-2009

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11 patents (USPTO):Explore Patents

Title: Innovator in Semiconductor Memory: Shinzo Sakuma

Introduction

Shinzo Sakuma is a prolific inventor based in Tokyo, Japan, renowned for his contributions to the field of semiconductor memory technology. With a remarkable portfolio of 11 patents, Sakuma has made significant strides in the development of ferroelectric memory devices that enhance data storage capabilities.

Latest Patents

Sakuma's innovative spirit is exemplified in his latest patents, which focus on advanced semiconductor memory devices. One notable invention is a ferroelectric memory cell array featuring 1T/1C memory cells arranged in a matrix format. This design includes an address storage unit that manages threshold memory addresses, allowing the array to operate in two distinct blocks. The first block enables each memory cell to store one-bit data, while the second block allows memory cell pairs to store one-bit data collectively. Additionally, an address comparator determines the appropriate block for memory addresses, while an address switching unit efficiently activates corresponding lines based on this determination.

Another noteworthy patent describes a unique approach to reading a ferroelectric memory cell array. In this configuration, the plate line is precharged to the power supply potential before driving the relevant word line. A timing control circuit manages the charging of bit lines, followed by a synchronized equalizing signal that ensures efficient data retrieval.

Career Highlights

Throughout his career, Shinzo Sakuma has worked with prestigious companies such as Oki Electric Industry Co., Ltd. and Oki Semiconductor Co., Ltd. His work at these firms has positioned him at the forefront of semiconductor technology innovation, allowing him to develop cutting-edge solutions that meet the ever-evolving demands of the industry.

Collaborations

Sakuma has collaborated with esteemed professionals in his field, including Kazuhiko Takahashi and Shoichi Kokubo. These partnerships have fostered a creative environment that has propelled their shared endeavors toward groundbreaking advancements in semiconductor memory technology.

Conclusion

Shinzo Sakuma's extensive patent portfolio and innovative designs underscore his status as a leading figure in semiconductor memory technology. His continuous contributions not only enhance memory device functionality but also pave the way for future innovations in the field. With a commitment to pushing the boundaries of technology, Sakuma remains an influential inventor in the world of electronics.

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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