Toshio Matsuoka

This inventor holds 11 USPTO granted patents. Top assignees: Sumitomo Heavy Industries, Ltd., Sumitomo Metal Industries, Inc.. Active years: 1984-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Matsuoka. Retrieved from https://idiyas.com/inventor/toshio-matsuoka

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 = 2.0

ph-index = 4

Forward Citations = 47(Granted Patents)

Location History:

Niihama, JP (1984 - 1993)
Ehime, JP (1993 - 1998)

Company Filing History:

11 out of 1,256

Sumitomo Heavy Industries, Ltd.

patents

1 out of 929

Sumitomo Metal Industries, Inc.

patents

where one patent can have more than one assignee

Years Active: 1984-1998

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5843204 - Method for recycling iron and steel industry waste (1998-12-01),

2. 5249198 - Induction furnace having an oblique coil number (1993-09-28),

3. 5220717 - Method of making capsules of dehydrated sludge and apparatus therefor (1993-06-22),

4. 5188795 - Metallic vapor condenser capable of circulating a liquid metal (1993-02-23),

5. 5139567 - Process for recovering valuable metals from a dust containing zinc (1992-08-18),

6. 5123631 - Method of and apparatus for continuously discharging molten metal and (1992-06-23),

7. 4824479 - Method for producing a carbonaceous solid reductant for direct reduction (1989-04-25),

8. 4612041 - Process for recovering valuable metals from an iron dust containing a (1986-09-16),

9. 4595574 - Method for recovering zinc from substances containing a zinc compound (1986-06-17),

10. 4547219 - Method of reducing iron ore using petroleum coke (1985-10-15),

11. 4424023 - Method and apparatus for temperature control in heating furnaces (1984-01-03),

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]