4. Electric heating
  5. Metal heating
  6. By arc

Tsutomu Sugiyama

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Axial flow type laser oscillator

Coherent light generators – Particular active media – Gas
Patent

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Composition for removing side wall and method of removing...

Semiconductor device manufacturing: process – Chemical etching – Vapor phase etching
Reexamination Certificate

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Gas laser apparatus

Coherent light generators – Particular component circuitry – Optical pumping
Patent

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Gas laser oscillator

Coherent light generators – Particular active media – Gas
Patent

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Hydraulic control valve apparatus

Motors: expansible chamber type – Working member position feedback to motive fluid control – Electrical input and feedback signal means
Patent

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Profile ID: LFUS-PAI-P-150052

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