Wappingers Falls, NY, United States of America

Seiki Ogura

This inventor holds 131 USPTO granted patents and 1 published patent application, primarily in Non-Volatile Memory (CPC class G11C1-604). Top assignees: Halo Lsi, Inc., International Business Machines Corporation, Matsushita Electric Industrial Co., Ltd.. Active years: 1977-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiki Ogura. Retrieved from https://idiyas.com/inventor/seiki-ogura

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

USPTO Granted Patents = 131 

% Patents Active = 91.6

Average Co-Inventor Count = 2.9

ph-index = 29

Forward Citations = 3,100(Granted Patents)

Forward Citations (Not Self Cited) = 2,976(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Raleigh, NC (US) (1977)
  • Wappinger Falls, NY (US) (2004)
  • New York, NY (US) (2004)
  • Hopewell Jct., NY (US) (2003 - 2006)
  • Hopewell Junction, NY (US) (1983 - 2008)
  • Wappingers Falls, NY (US) (1997 - 2008)
  • Hopewell Jct, NY (US) (2002 - 2008)
  • Hillsboro, OR (US) (2007 - 2015)

Company Filing History:


Years Active: 1977-2015

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Areas of Expertise:
Flash Memory
Non-Volatile Memory
Twin MONOS Arrays
Trap-Charge Connectors
High Speed Operation
Memory Array Organization
Semiconductor Fabrication
Dynamic Operations
Architecture Methods
Programmable Logic
131 patents (USPTO):Explore Patents

Title: Seiki Ogura: Pioneering Innovator in Flash Memory Technology

Introduction:

Seiki Ogura, a renowned inventor and engineer based in Wappingers Falls, NY, has made significant contributions to the field of flash memory technology. Holding an impressive portfolio of 130 patents, Ogura's groundbreaking work in high-density vertical structure nitride flash memory and complementary reference methods has revolutionized the non-volatile memory industry. This article delves into his latest patents, career highlights, notable collaborations, and the impact of his inventions.

Latest Patents:

Ogura's recent patents showcase his expertise in developing advanced memory technologies. One of his notable inventions includes the "High Density Vertical Structure Nitride Flash Memory," which introduces a charge trap type of memory with vertical and horizontal components. This breakthrough memory channel design allows for high speed, high reliability, and high-density non-volatile memories. Ogura's innovative work also encompasses new operation methods for simultaneous hole and electron injection, further enhancing memory performance.

Additionally, Ogura's patent for the "Complementary Reference Method for High Reliability Trap-Type Non-Volatile Memory" demonstrates his ingenuity in complementary pairing techniques for memory cells. These methods involve pairing physical memory cells in complementary pairs, utilizing complementary pairs of reference cells for each erase block, and storing multiple data bits in a physical complementary pair. Such developments have contributed significantly to the reliability and performance of non-volatile memories.

Career Highlights:

Throughout his illustrious career, Ogura has made significant contributions to the tech industry. He has worked with prominent companies such as Halo LSI, Inc. and International Business Machines Corporation (IBM). Ogura's time at IBM, a leading multinational technology company, provided a remarkable platform for him to explore cutting-edge memory technologies and collaborate with industry experts.

Collaborations:

Seiki Ogura has collaborated with fellow innovators, including Tomoko Ogura and Tomoya Saito. These partnerships have fostered a rich exchange of ideas, allowing for the development of groundbreaking memory technologies. By leveraging their collective expertise, Ogura and his fellow researchers have pushed the boundaries of flash memory technology, paving the way for future advancements in the field.

Conclusion:

Seiki Ogura stands as a highly influential figure in the realm of flash memory technology. His extensive patent portfolio, reflecting his groundbreaking work in high-density vertical structure nitride flash memory and complementary reference methods, has propelled the industry forward. Ogura's collaborations with notable companies and fellow innovators have further amplified his impact. As the tech world continues to rely on robust and high-performance memory solutions, Seiki Ogura's contributions will undoubtedly play a significant role in shaping the future of non-volatile memories.

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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