Takeshi Obana

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Hitachi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Underwater processing device and underwater processing method
- Patent number 6,555,779
- Issue date Apr 29, 2003
- Hitachi, Ltd.
- Takeshi Obana
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
MG alloy member and its use
- Patent number 6,328,530
- Issue date Dec 11, 2001
- Hitachi, Ltd.
- Tomoya Kato
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Motor-driven blower and method of manufacturing impeller for motor-...
- Patent number 6,146,094
- Issue date Nov 14, 2000
- Hitachi, Ltd.
- Takeshi Obana
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
MGalloy member and its use
- Publication number 20020039528
- Publication date Apr 4, 2002
- Tomoya Kato
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...