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Mamoru Ishikawa
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Hatano, JP
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last 30 patents
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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 for absorber
Patent number
5,960,870
Issue date
Oct 5, 1999
Kabushiki Kaisha Kobe Seiko Sho
Hiroyuki Takahashi
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