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Sagamihara, Japan

Hirohisa Fujiyama

USPTO Granted Patents = 3

Average Co-Inventor Count = 4.3

ph-index = 3

Forward Citations = 60(Granted Patents)

Location History:

Tokyo, JA (1976)
Sagamihara, JP (1989 - 1992)

Company Filing History:

Nippon Steel Corporation

Years Active: 1976-1992

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5175405 - Method of automatically welding rails (1992-12-29),

2. 4841116 - Process for automatic fusion welding of rails (1989-06-20),

3. 3956610 - Method for welding iron steel and nonferrous alloy (1976-05-11),

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