Title:
マンホールの突き出し及び浮上の防止構造
Document Type and Number:
Japanese Patent JP4956512
Kind Code:
B2
Inventors:
Hiroo Yamaguchi
Satoshi Kawakami
Toshiki Takahashi
Satoshi Kawakami
Toshiki Takahashi
Application Number:
JP2008237510A
Publication Date:
June 20, 2012
Filing Date:
September 17, 2008
Export Citation:
Assignee:
Hiroo Yamaguchi
Satoshi Kawakami
Toshiki Takahashi
Satoshi Kawakami
Toshiki Takahashi
International Classes:
E02D29/12; E02D31/12
Domestic Patent References:
| JP2006299626A | ||||
| JP2001262680A | ||||
| JP8092984A | ||||
| JP2008101404A | ||||
| JP2008115681A | ||||
| JP2003227148A | ||||
| JP2001049680A | ||||
| JP2006183450A |
Attorney, Agent or Firm:
Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo
Hidefumi Kawamura
Naomi Yoshida
Ayako Nakamura
Masayuki Okamoto
Fukagawa Eri
Satoshi Morimoto
Kyoko Tsunoda
Takashi Matsuzaki
Arihara Koichi
Matsushima Tetsuo
Hidefumi Kawamura
Naomi Yoshida
Ayako Nakamura
Masayuki Okamoto
Fukagawa Eri
Satoshi Morimoto
Kyoko Tsunoda
Takashi Matsuzaki