Mitaka, Japan

Masafumi Tanimoto

This inventor holds 2 USPTO granted patents. Top assignee: Nippon Telegraph and Telephone Public Corporation. Active years: 1979-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Tanimoto. Retrieved from https://idiyas.com/inventor/masafumi-tanimoto

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 178(Granted Patents)


Company Filing History:


Years Active: 1979-1983

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2 patents (USPTO):Explore Patents

Title: Innovator Masafumi Tanimoto: Pioneering Integrated Circuits and Memory Technologies

Introduction: Masafumi Tanimoto, an accomplished inventor based in Mitaka, Japan, has made significant contributions to the field of semiconductor technology. With a total of two patents to his name, his work focuses on advanced integrated circuits and memory devices that enhance the functionality and efficiency of electronic systems.

Latest Patents: Tanimoto's recent innovations include two notable patents. The first is for an "Integrated circuit having spare parts activated by a high-to-low" which describes a semiconductor integrated circuit device featuring multiple elements for multifunctional circuits. This innovative design incorporates a control signal generating circuit that includes a variable resistance element, capable of changing its resistivity upon applying a voltage beyond a specific level. This allows for dynamic activation or deactivation of multi-functional circuits, making it a significant advancement in semiconductor technology.

The second patent pertains to an "Irreversible semiconductor switching element and semiconductor memory." This invention consists of a high resistivity polycrystalline silicon resistor that irreversibly decreases its resistance at a threshold voltage. It employs the switching element as a memory cell, combined with a semiconductor gate element to control the current, demonstrating Tanimoto's expertise in memory device architecture.

Career Highlights: Masafumi Tanimoto is currently associated with Nippon Telegraph and Telephone Public Corporation, a prominent entity in the telecommunications sector. His role involves engaging in innovative research and development initiatives, particularly aimed at enhancing the capabilities of semiconductor technologies.

Collaborations: Throughout his career, Tanimoto has collaborated with esteemed colleagues such as Nobuaki Ieda and Takashi Watanabe. These partnerships have likely enriched his inventive processes, fostering a productive environment for creating groundbreaking technological solutions.

Conclusion: Masafumi Tanimoto stands as a distinguished figure in the realm of semiconductor innovation. His patents reflect a deep understanding of the intricate workings of integrated circuits and memory devices, underscoring his impact within the industry. As technology continues to evolve, Tanimoto's contributions will undoubtedly play a critical role in shaping the future of electronic systems.

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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