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Shigeo Hirai

USPTO Granted Patents = 3

Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 33(Granted Patents)

Location History:

Ohtsu, JP (1983)
Shiga, JP (1983)
Otsu, JP (1984)

Company Filing History:

Hitachi Maxell, Limited

Years Active: 1983-1984

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4456475 - Process for preparing ferromagnetic particles comprising metallic iron (1984-06-26),

2. 4400337 - Method for production of metal magnetic particles (1983-08-23),

3. 4390361 - Process for preparing ferromagnetic particles comprising metallic iron (1983-06-28),

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