Title:
The amount adjustment of air bubbles
Document Type and Number:
Japanese Patent JP6166308
Kind Code:
B2
Inventors:
Shoichi Sakamoto
Application Number:
JP2015116278A
Publication Date:
July 19, 2017
Filing Date:
June 09, 2015
Export Citation:
Assignee:
Miho Sakamoto
International Classes:
E02F3/88; E21C50/00
Domestic Patent References:
| JP2013036419A | ||||
| JP2013036421A | ||||
| JP2011196364A | ||||
| JP2010000999A |
Foreign References:
| US20140169989 |
Attorney, Agent or Firm:
Kyosei International Patent Office