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Handa-city, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-stage pulley and production method thereof
Patent number
6,463,659
Issue date
Oct 15, 2002
Denso Corporation
Hiroshi Shohara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing multi-stage pulley
Patent number
6,338,197
Issue date
Jan 15, 2002
Denso Corporation
Hiroshi Shohara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Multi-stepped pulley, method of manufacturing same, and apparatus f...
Patent number
6,071,205
Issue date
Jun 6, 2000
Denso Corporation
Tetuo Ohno
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Manufacturing apparatus of a corrugated fin and method of manufactu...
Patent number
5,819,575
Issue date
Oct 13, 1998
Denso Corporation
Hisashi Kobayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Roller for forming corrugated fin
Patent number
5,679,106
Issue date
Oct 21, 1997
Nippondenso Co., Ltd.
Tetuo Ohno
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Forming roller for corrugated fin
Patent number
5,509,288
Issue date
Apr 23, 1996
Nippondenso Co., Ltd.
Tetuo Ohno
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
DIE
Publication number
20100313624
Publication date
Dec 16, 2010
DENSO CORPORATION
Hiroyuki Dekita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
MULTI-STAGE PULLEY AND PRODUCTION METHOD THEREOF
Publication number
20010052184
Publication date
Dec 20, 2001
HIROSHI SHOHARA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...