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Hajime Endo
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Apparatus on drum shearer for cutting through safety wall in long w...
Patent number
4,266,828
Issue date
May 12, 1981
Taiheiyo Engineering Inc.
Shigeo Nakagima
E21 - EARTH DRILLING MINING
Information
Patent Grant
Safety wall cutting through method employed in long wall mining
Patent number
4,196,933
Issue date
Apr 8, 1980
Taiheiyo Engineering Inc.
Shigeo Nakagima
E21 - EARTH DRILLING MINING
Information
Patent Grant
Operator carriage
Patent number
4,151,905
Issue date
May 1, 1979
Taiheiyo Engineering Incorporated
Ken Takahashi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Coal mining method at a long-walled pit face of the coal mine
Patent number
4,127,303
Issue date
Nov 28, 1978
Taiheiyo Engineering Incorporated
Shigeo Nakajima
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for drawing the shearers
Patent number
4,099,786
Issue date
Jul 11, 1978
Taiheiyo Engineering Incorporated
Shigeo Nakajima
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for automatically shifting the conveyor at the pit face i...
Patent number
4,099,781
Issue date
Jul 11, 1978
Taiheiyo Engineering Incorporated
Isao Sawayama
E21 - EARTH DRILLING MINING