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Takayoshi Morishita
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Nagoya-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Ceramic dynamic pressure bearing, motor with bearing, hard disc app...
Patent number
6,619,848
Issue date
Sep 16, 2003
NGK Spark Plug Co., Ltd.
Hironobu Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Sintered ceramic bodies and ceramic working tools
Patent number
5,994,250
Issue date
Nov 30, 1999
NGK Spark Plug Company Limited
Keiji Suzuki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Sintered ceramic bodies and ceramic metal working tools
Patent number
5,916,833
Issue date
Jun 29, 1999
NGK Spark Plug Company Limited
Keiji Suzuki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Ceramic dynamic pressure bearing, motor with bearing, hard disc app...
Publication number
20020159659
Publication date
Oct 31, 2002
NGK SPARK PLUG CO., LTD.
Hironobu Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...