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Kingo Kiyonaga

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 38(Granted Patents)

Location History:

Yonago, JA (1977)
Yonago, JP (1978 - 1980)

Company Filing History:

Hitachi Metals, Ltd.

Years Active: 1977-1980

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4218243 - Fully martensitic steel for a metal mold for molding glass and the metal (1980-08-19),

2. 4116684 - High speed tool steel having high toughness (1978-09-26),

3. 4058650 - Back material of metal band saw high in fatigue strength (1977-11-15),

4. 4032302 - Carbide enriched high speed tool steel (1977-06-28),

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