Keizo Sugao

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Shizuoka Prefecture, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-wound stainless steel pipe
- Patent number 6,135,160
- Issue date Oct 24, 2000
- Usui Kokusai Sangyo Kaisha Ltd.
- Keizo Sugao
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Manifold for conveying a high-pressure fuel
- Patent number 4,893,601
- Issue date Jan 16, 1990
- Usui Kokusai Sangyo Kaisha Ltd.
- Keizo Sugao
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Connection structure for branch pipe in high-pressure fuel manifold
- Patent number 4,832,376
- Issue date May 23, 1989
- Usui Kokusai Sangyo Kaisha Ltd.
- Keizo Sugao
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Process of producing thick-walled composite metal tubing
- Patent number 4,784,311
- Issue date Nov 15, 1988
- Usui Kokusai Sangyo Kabushiki Kaisha
- Keizo Sugao
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Pipe having a double flared end
- Patent number 4,598,937
- Issue date Jul 8, 1986
- Usui Kokusai Sangyo Kabushiki Kaisha
- Keizo Sugao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...