Kawasaki, Japan

Hiroshi Nagayama

This inventor holds 1 USPTO granted patent. Top assignee: Fujitsu Corporation. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Nagayama. Retrieved from https://idiyas.com/inventor/hiroshi-nagayama-c1wyo12l

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 41(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: Hiroshi Nagayama: Innovator in Semiconductor Technology

Introduction

Hiroshi Nagayama is a prominent inventor based in Kawasaki, Japan. He is known for his contributions to the field of semiconductor technology, particularly in memory devices. His innovative work has led to the development of advanced memory solutions that enhance data processing capabilities.

Latest Patents

Hiroshi Nagayama holds a patent for a dual-port semiconductor memory device. This device features a serial memory cell of a serial access memory that is designed for a predetermined number of bit line pairs. A transfer gate circuit is integrated between the serial memory cell and the bit line pairs, allowing selective coupling of one bit line pair to the serial memory at any given time. The access to this dual-port semiconductor memory device is achieved in n/m stages, where n represents the number of bit line pairs and m denotes the number of serial memory cells in the serial access memory.

Career Highlights

Hiroshi Nagayama has made significant strides in his career, particularly through his work at Fujitsu Corporation. His expertise in semiconductor technology has positioned him as a key player in the development of innovative memory solutions. His contributions have not only advanced the technology but have also paved the way for future innovations in the field.

Collaborations

Hiroshi Nagayama has collaborated with notable professionals in the industry, including his coworker Fumio Baba. These collaborations have fostered an environment of innovation and have led to the successful development of cutting-edge technologies.

Conclusion

Hiroshi Nagayama's work in semiconductor technology exemplifies the spirit of innovation. His patent for the dual-port semiconductor memory device showcases his commitment to advancing memory solutions. Through his career at Fujitsu Corporation and collaborations with industry experts, he continues to contribute significantly to 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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