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Masayuki Sakaki
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Numazu, JP
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for monitoring vacuum degree of vacuum in vacu...
Patent number
6,952,102
Issue date
Oct 4, 2005
Kabushiki Kaisha Meidensha
Masayuki Sakaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vacuum monitor for vacuum interrupter
Patent number
4,553,139
Issue date
Nov 12, 1985
Kabushiki Kaisha Meidensha
Shuzo Tanigaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Vacuum monitor device and method for vacuum interrupter
Patent number
4,547,769
Issue date
Oct 15, 1985
Kabushiki Kaisha Meidensha
Shuzo Tanigaki
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
Method and device for monitoring vacuum degree in vacuum circuit br...
Publication number
20030173969
Publication date
Sep 18, 2003
Masayuki Sakaki
H01 - BASIC ELECTRIC ELEMENTS