Title:
回生抵抗故障判断システム
Document Type and Number:
Japanese Patent JP4945313
Kind Code:
B2
Inventors:
Katsushi Iijima
Application Number:
JP2007136108A
Publication Date:
June 06, 2012
Filing Date:
May 23, 2007
Export Citation:
Assignee:
Hitachi Industrial Equipment Systems Co., Ltd.
International Classes:
H02M7/48; H02P3/18
Domestic Patent References:
| JP10341582A | ||||
| JP7177793A | ||||
| JP2002315352A |
Attorney, Agent or Firm:
Manabu Inoue