4. Metal deforming
  5. By use of closed-die and coacting work-forcer
  6. Forcing work into or within closed die; e.g., forging

Tadashi Okumura

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Bearing mechanism, carriage assembly, and magnetic disk drive

Bearings – Rotary bearing – Antifriction bearing
Reexamination Certificate

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Cold deep hole forming device

Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent

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Falling sensor and the information processing device making...

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate

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Falling sensor and the information processing device making...

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate

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Falling sensor and the information processing device making...

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate

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