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For the Inventor, By the Inventor

Osaka, Japan

Michitomo Iiyama

This inventor holds 67 USPTO granted patents, plus 1 CIPO patent, primarily in Superconducting Devices (CPC class 5052). Top assignees: Sumitomo Electric Industries, Limited, University System of Maryland. Active years: 1986-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michitomo Iiyama. Retrieved from https://idiyas.com/inventor/michitomo-iiyama

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

USPTO Granted Patents = 67

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.5

ph-index = 9

Forward Citations = 887(Granted Patents)

Forward Citations (Not Self Cited) = 847(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal67 out of 10,641 
 
Sumitomo Electric Industries, Limited
 patents
silverMedal1 out of 2,027 
 
University System of Maryland
 patents
where one patent can have more than one assignee

Years Active: 1986-2003

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Areas of Expertise:
Oxide Superconductor
Thin Film
Layered Structure
Superconducting Channel
Fabrication Process
Microwave Device
Josephson Junction
Crystallinity
Circuitry Coupling
Three-Terminal Device
Superconducting Wiring
Active Component
67 patents (USPTO):Explore Patents
1. 6524643 - Method for preparing layered structure including oxide superconductor thin film (2003-02-25),
2. 5977479 - Structure for coupling between low temperature circuitry and room (1999-11-02),
3. 5861361 - Superconducting field effect device having a superconducting channel and (1999-01-19),
4. 5856275 - Superconducting wiring lines and process for fabricating the same (1999-01-05),
5. 5854493 - Superconduting device having an extremely short superconducting channel (1998-12-29),
6. 5840204 - Method for patterning a layer on oxide superconductor thin film and (1998-11-24),
7. 5817531 - Superconducting device having a superconducting channel formed of oxide (1998-10-06),
8. 5811375 - Superconducting multilayer interconnection formed of oxide (1998-09-22),
9. 5789346 - Method for manufacturing an oxide superconductor device (1998-08-04),
10. 5773843 - Metal electrode for superconducting current path formed of oxide (1998-06-30),
11. 5739084 - Method for manufacturing a superconducting device having a reduced (1998-04-14),
12. 5721196 - Stacked tunneling and stepped grain boundary Josephson junction (1998-02-24),
13. 5717222 - Superconducting device having an extremely thin superconducting channel (1998-02-10),
14. 5714767 - Method for manufacturing superconducting device having a reduced (1998-02-03),
15. 5683968 - Method for manufacturing a superconducting device (1997-11-04),

Title: Unveiling the Ingenious Inventor: Michitomo Iiyama

Introduction:

Michitomo Iiyama, a prolific inventor based in Osaka, Japan, has left an indelible mark on the world of innovation with his remarkable contributions. With a total of 67 patents to his name, Iiyama's inventive spirit has reshaped various technological landscapes. Let's delve into the life and works of this visionary inventor.

Latest Patents:

Among his latest patents is the groundbreaking "Method for preparing layered structure including oxide superconductor thin film." This invention revolutionizes the preparation of layered structures, enhancing efficiency and functionality. Additionally, his patent for the "Structure for coupling between low-temperature circuitry and room" showcases his commitment to advancing interconnectivity in circuitry systems.

Career Highlights:

Having worked with esteemed organizations such as Sumitomo Electric Industries, Limited and the University of Maryland, Iiyama has garnered invaluable experience and expertise in his field. His innovative approaches have paved the way for cutting-edge developments in materials science and electronics.

Collaborations:

Iiyama's collaborative efforts with notable peers such as Takao Nakamura and Hiroshi Inada have further enriched his inventive journey. This spirit of teamwork and knowledge-sharing has undoubtedly played a pivotal role in the success of his projects and patents.

Conclusion:

In conclusion, Michitomo Iiyama's dedication to innovation and relentless pursuit of excellence have cemented his legacy as a pioneering inventor. His groundbreaking patents and collaborative endeavors stand as a testament to his ingenuity and impact on the realm of technological advancements.

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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