Title:
黒板装置
Document Type and Number:
Japanese Patent JP5895036
Kind Code:
B2
Inventors:
Seiichi Kitajima
Application Number:
JP2014180128A
Publication Date:
March 30, 2016
Filing Date:
September 04, 2014
Export Citation:
Assignee:
Kitajima Manufacturing Co., Ltd.
International Classes:
B43L1/04; G03B21/00; G03B21/58
Domestic Patent References:
| JP2010264732A | ||||
| JP2010155401A | ||||
| JP2009119663A | ||||
| JP201058524A | ||||
| JP20092982A | ||||
| JP198369A |
Attorney, Agent or Firm:
Toshisu Koji
Yasuhiro Toyosu
Yasuhiro Toyosu