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Junya Narukawa
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Nagoya, JP
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last 30 patents
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Patent Grant
Method and apparatus for adjusting spring characteristics of a spring
Patent number
9,453,548
Issue date
Sep 27, 2016
Chuo Hatsujo Kabushiki Kaisha
Shinsuke Okura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for adjusting spring characteristics of a spring
Patent number
9,322,447
Issue date
Apr 26, 2016
Chuo Hatsujo Kabushiki Kaisha
Shinsuke Okura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
METHOD AND APPARATUS FOR ADJUSTING SPRING CHARACTERISTICS OF A SPRING
Publication number
20160201749
Publication date
Jul 14, 2016
Chuo Hatsujo Kabushiki Kaisha
Shinsuke Okura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method And Apparatus For Adjusting Spring Characteristics Of A Spring
Publication number
20120285212
Publication date
Nov 15, 2012
CHUO HATSUJO KABUSHIKI KAISHA
Shinsuke Okura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...