Title:
コア処理方法
Document Type and Number:
Japanese Patent JP4625293
Kind Code:
B2
Inventors:
Kunio Araki
Aya Oka
Hiroshi Yamaguchi
Ichiro Seko
Aya Oka
Hiroshi Yamaguchi
Ichiro Seko
Application Number:
JP2004257294A
Publication Date:
February 02, 2011
Filing Date:
September 03, 2004
Export Citation:
Assignee:
Central Development Co., Ltd.
International Classes:
E02D1/04; E21B25/00
Domestic Patent References:
| JP2002295169A | ||||
| JP2001242045A | ||||
| JP5050340U | ||||
| JP2003130413A |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shigeo Takeuchi
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shigeo Takeuchi