Kawasaki, Japan

Harunobu Nakagawa

This inventor holds 2 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harunobu Nakagawa. Retrieved from https://idiyas.com/inventor/harunobu-nakagawa-e1xgya0b

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

Calculating rank

Average Co-Inventor Count = 1.3

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2004

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2 patents (USPTO):Explore Patents

Title: Harunobu Nakagawa: Innovator in Semiconductor Technology

Introduction

Harunobu Nakagawa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, particularly in memory devices. With a total of 2 patents, Nakagawa's work has had a notable impact on the efficiency and functionality of semiconductor memory systems.

Latest Patents

One of Nakagawa's latest patents is a semiconductor memory device with shorter signal lines. This innovative device includes a plurality of input/output terminals and a memory cell array divided into blocks corresponding to the input/output terminals. The design allows for only one block to correspond to a given input/output terminal, enhancing the efficiency of data amplification through connected sense amplifiers. Additionally, he has developed a semiconductor memory that features multiple memory blocks, which include several memory regions as minimum erase units. This design allows for simultaneous selection of memory regions for erasure, simplifying the system program controlled by a CPU.

Career Highlights

Harunobu Nakagawa is currently employed at Fujitsu Corporation, where he continues to advance semiconductor technology. His work at Fujitsu has positioned him as a key player in the development of innovative memory solutions.

Collaborations

Nakagawa collaborates with Yasushi Oka, a fellow innovator in the field. Their partnership has fostered advancements in semiconductor technology, contributing to the overall progress of the industry.

Conclusion

Harunobu Nakagawa's contributions to semiconductor memory technology exemplify the importance of innovation in enhancing system efficiency. His patents reflect a commitment to advancing the capabilities of memory devices, making a lasting impact on the field.

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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