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Ko Matsumura

USPTO Granted Patents = 6

Average Co-Inventor Count = 4.0

ph-index = 4

Forward Citations = 76(Granted Patents)

Location History:

Chiba, JA (1976)
Ichihara, JP (1980 - 1981)
Chiba, JP (1990 - 1991)

Company Filing History:

Kawasaki Steel Corporation

Years Active: 1976-1991

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5013372 - Semi-process non-oriented electromagnetic steel strip having low core (1991-05-07),

2. 4946519 - Semi-processed non-oriented electromagnetic steel strip having low core (1990-08-07),

3. 4938806 - Method for producing an electro-magnetic steel sheet (1990-07-03),

4. 4293336 - Cold rolled non-oriented electrical steel sheet (1981-10-06),

5. 4204890 - Method of producing non-oriented silicon steel sheets having an (1980-05-27),

6. 3940299 - Method for producing single-oriented electrical steel sheets having a (1976-02-24),

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