Hamura, Japan

Osamu Nagashima

This inventor holds 57 USPTO granted patents and 5 published patent applications and 6 EPO patents, primarily in Semiconductor Memory (CPC class G11C). Top assignees: Hitachi, Ltd., Sony Corporation, Micron Technology Incorporated. Active years: 1990-2025.

USPTO Granted Patents = 57 

% Patents Active = 78.9

 

Average Co-Inventor Count = 4.4

ph-index = 18

Forward Citations = 810(Granted Patents)

Forward Citations (Not Self Cited) = 797(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kodaira, JP (1990)
  • Kanagawa, JP (2004)
  • Hamura, JP (1997 - 2011)
  • Tokyo, JP (2001 - 2024)

Company Filing History:


Years Active: 1990-2025

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Areas of Expertise:
Clock Signals
Memory Devices
Battery Mechanisms
Charging Methods
Data Inversion
Semiconductor Devices
High-Speed Operation
Rechargeable Batteries
Battery Packs
Stain-Resistant Coatings
Integrated Circuits
Propagation Delay
57 patents (USPTO):Explore Patents

Title: The Innovative Mind of Osamu Nagashima

Introduction:

Osamu Nagashima is a brilliant inventor hailing from Hamura, Japan, with an impressive portfolio of 53 patents to his name. His dedication to advancing memory technology has led to groundbreaking innovations that have significantly influenced the field.

Latest Patents:

Among his recent patents is the creation of memory devices with multiple sets of latencies and methods for operating the same. These methods, systems, and apparatuses revolutionize memory operation by allowing for dynamic adjustments in latency based on the enabled features of the memory device or system.

Career Highlights:

Osamu Nagashima has honed his expertise while working at renowned companies such as Hitachi, Ltd. and Sony Corporation. His tenure at these esteemed organizations has provided him with a wealth of knowledge and experience in the realm of memory technology.

Collaborations:

Throughout his illustrious career, Nagashima has collaborated closely with industry peers such as Takeshi Sakata and Kazuhiko Kajigaya. Together, they have pushed the boundaries of memory technology and brought forth innovative solutions that have redefined the industry.

Conclusion:

In conclusion, Osamu Nagashima stands as a trailblazing inventor whose remarkable contributions to memory technology have left an indelible mark on the field. His forward-thinking approach and collaborative spirit continue to inspire the next generation of innovators in Japan and beyond.

Profile summary based on public USPTO records.
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