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Patent Searching and Data


Title:
比率差動継電器
Document Type and Number:
Japanese Patent JP3558309
Kind Code:
B2
Inventors:
Satoshi Nakano
Rikio Sato
Tetsuya Sobue
Application Number:
JP26942495A
Publication Date:
August 25, 2004
Filing Date:
September 22, 1995
Export Citation:
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Assignee:
Toshiba System Technology Co., Ltd.
TM T & D Co., Ltd.
International Classes:
H02H3/28; H02H7/06; (IPC1-7): H02H3/28; H02H7/06
Domestic Patent References:
JP56044350A
JP63021420B1
JP64008524B1
Attorney, Agent or Firm:
Norio Ishii