Naoya Tsurumaki

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Hiratsuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrode for plasma arc torch
- Patent number 5,908,567
- Issue date Jun 1, 1999
- Komatsu Ltd.
- Shunichi Sakuragi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma torch having cylindrical velocity reduction space between el...
- Patent number 5,591,356
- Issue date Jan 7, 1997
- Kabushiki Kaisha Komatsu Seisakusho
- Shunichi Sakuragi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma torch
- Patent number 5,569,397
- Issue date Oct 29, 1996
- Kabushiki Kaisha Komatsu Seisakusho
- Naoya Tsurumaki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Position-sensitive photodetector and light transmissive tablet and...
- Patent number 4,794,634
- Issue date Dec 27, 1988
- Kabushiki Kaisha Komatsu Seisakusho
- Shigenori Torihata
- G06 - COMPUTING CALCULATING COUNTING