画像の説明

【Domestic Patent】

Japanese patent

Micro-bubble generator
Patent No. 4652478
Date of acquisition:
　　24 December 2010
Patentee:
　　Taikohgiken Co., Ltd.
Inventors:
　　Ichiro Takase
　　Hiroaki Tsutsumi

【International Patent】

Korea-patent

Korea Patent No. 10-1407122
Date of acquisition: 5 June 2014

China-patent

China Patent No. ZL 2011 8 003 3648.3
Date of acquisition: 17 December 2014

U.S.A-pantent

U.S.A. Patent No. US8,939,436 B2
Date of acquisition: 27 January 2015