Title:
Pile driver
Document Type and Number:
Japanese Patent JP6085485
Kind Code:
B2
Inventors:
Ji-shu Akira
Yasuhiro Goto
Yasuhiro Goto
Application Number:
JP2013011400A
Publication Date:
February 22, 2017
Filing Date:
January 24, 2013
Export Citation:
Assignee:
Sanwa Kiko Co., Ltd.
Omtech Co., Ltd.
Omtech Co., Ltd.
International Classes:
E21B7/00; E21B6/00; E21B10/44
Domestic Patent References:
| JP2073452U | ||||
| JP2000240055A | ||||
| JP8068289A | ||||
| JP2006046067A | ||||
| JP63040088A | ||||
| JP2002227201A | ||||
| JP63011512B2 | ||||
| JP2002021074A | ||||
| JP2000054773A | ||||
| JP1141834U | ||||
| JP11071984A | ||||
| JP7292666A |
Attorney, Agent or Firm:
Hiroshi Masaki
Yuko Mikami
Tadashi Fujikawa
Yuko Mikami
Tadashi Fujikawa