Nobuaki Hinago

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Hatano-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing seamless tube with grooved inner surface
- Patent number 6,834,523
- Issue date Dec 28, 2004
- Kabushiki Kaisha Kobe Seiko Sho
- Nobuaki Hinago
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Tube having grooved inner surface and its production method
- Patent number 6,336,501
- Issue date Jan 8, 2002
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Mamoru Ishikawa
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat transfer tube with grooves in inner surface of tube
- Patent number 5,915,467
- Issue date Jun 29, 1999
- Kabushiki Kaisha Kobe Seiko Sho
- Mamoru Ishikawa
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method for producing seamless tube with groved inner surface
- Publication number 20030182979
- Publication date Oct 2, 2003
- Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.)
- Nobuaki Hinago
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Apparatus for producing internally grooved tube
- Publication number 20030182980
- Publication date Oct 2, 2003
- Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.)
- Nobuaki Hinago
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...