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For the Inventor, By the Inventor

Hitachinaka, Japan

Toshimi Matsumoto

This inventor holds 11 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1982-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshimi Matsumoto. Retrieved from https://idiyas.com/inventor/toshimi-matsumoto

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 7.8

ph-index = 8

Forward Citations = 194(Granted Patents)


Location History:

  • Hitachi, JP (1982)
  • Hitachinaka, JP (1997 - 1999)
  • Tokyo, JP (1999)
  • Katsuta, JP (1991 - 2000)

Company Filing History:

goldMedal11 out of 42,731 
 
Hitachi, Ltd.
 patents

Years Active: 1982-2000

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11 patents (USPTO):Explore Patents
1. 6103669 - Superconducting wire and method of producing the same (2000-08-15),
2. 5977515 - Underwater laser processing device including chamber with partitioning (1999-11-02),
3. 5938954 - Submerged laser beam irradiation equipment (1999-08-17),
4. 5798312 - Elongate superconductor elements comprising oxide superconductors, (1998-08-25),
5. 5731567 - Thermal working method of metal material containing helium and thermal (1998-03-24),
6. 5674419 - Method for weld repairing of structures in nuclear reactors (1997-10-07),
7. 5654992 - Method of repairing structural materials of nuclear reactor internals (1997-08-05),
8. 5628449 - Method of welding a carbon steel and an austenitic stainless steel (1997-05-13),
9. 5318948 - Oxide superconductor, superconducting wire and coil using the same and (1994-06-07),
10. 5063200 - Ceramic superconductor article (1991-11-05),
11. 4348131 - Welded structure having improved mechanical strength and process for (1982-09-07),

Title: Innovations of Toshimi Matsumoto

Introduction

Toshimi Matsumoto is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of superconductivity and laser processing technology. With a total of 11 patents to his name, Matsumoto's work has advanced various technological applications.

Latest Patents

One of Matsumoto's latest inventions is a superconducting wire and method of producing the same. This invention provides an oxide-type superconducting flat wire with a critical current density of at least 1,000 A/cm². The wire comprises a Y–Ba–Cu oxide layer with superconducting properties and a surrounding silver layer. The design ensures a flat cross-section, allowing for effective performance under various conditions. Another notable patent is an underwater laser processing device that includes a chamber with partitioning. This system features a laser torch and a mechanism for adjusting the laser's emission position. It is designed to detect and repair sensitized portions while forming alloying layers and new surface layers through laser emission.

Career Highlights

Matsumoto works at Hitachi, Ltd., a leading company in technology and innovation. His role involves developing advanced materials and processing techniques that have practical applications in various industries. His expertise in superconductivity and laser technology has positioned him as a key figure in his field.

Collaborations

Throughout his career, Matsum

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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