Sagamihara, Japan

Motoyasu Tsunoda

This inventor holds 43 USPTO granted patents, primarily in Nonvolatile Memory. Top assignees: Hitachi, Ltd., Renesas Technology Corp., Renesas Electronics Corporation. Active years: 1997-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motoyasu Tsunoda. Retrieved from https://idiyas.com/inventor/motoyasu-tsunoda

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


% Patents Active = 62.8

Average Co-Inventor Count = 5.3

ph-index = 10

Forward Citations = 461(Granted Patents)


Location History:

  • Fujisawa, JP (1997 - 2002)
  • Yokohama, JP (1998 - 2008)
  • Kanagawa, JP (2008 - 2009)
  • Kawasaki, JP (2007 - 2010)
  • Sagamihara, JP (2004 - 2012)
  • Tokyo, JP (2014)

Company Filing History:


Years Active: 1997-2014

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Areas of Expertise:
Data Storage
Nonvolatile Memory
Memory Card
Disk Drive
Signal Processing
Data Backup
Magnetic Disk
Recording Apparatus
Dual Port
Error Correction
Controller
Data Transfer
43 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Motoyasu Tsunoda: A Pioneer in Storage Device Technology

Introduction: Motoyasu Tsunoda, an esteemed inventor based in Sagamihara, Japan, holds a remarkable portfolio of 43 patents. His advancements in data storage technologies demonstrate his pivotal role in shaping modern computing systems.

Latest Patents: Among his latest inventions are two significant patents: one focuses on implementing data storage in a dual-port, dual-element storage device, while the other enhances nonvolatile memory systems. The first patent describes a storage device that includes a predefined form factor featuring a first port, a second port, and both a first and second storage element. A controller facilitates access by providing two separate data paths to these elements. His second patent emphasizes nonvolatile memory capable of electrical writing and erasing, ensuring reliability even when critical data is compromised. Key functions include a replacing mechanism for defective memory cells, averaging rewrite operations across memory groups, and an error-correcting function to maintain data integrity.

Career Highlights: Tsunoda has significantly contributed to major technology corporations such as Hitachi, Ltd. and Renesas Technology Corporation. His work has not only advanced the capabilities of data storage devices but also enhanced system reliability across various applications.

Collaborations: Throughout his career, Tsunoda has collaborated with other notable professionals, including Shinya Iguchi and Junichi Maruyama, to further the development of innovative technologies and patentable inventions that drive industry standards.

Conclusion: Motoyasu Tsunoda's inventive spirit and commitment to technological advancement reflect his critical role in the technology sector. His effective contributions in data storage device innovation continue to impact various industries, establishing a legacy of ingenuity and excellence.

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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