Title:
電子黒板
Document Type and Number:
Japanese Patent JP6406539
Kind Code:
B2
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Inventors:
Akira Umeda
Application Number:
JP2014143365A
Publication Date:
October 17, 2018
Filing Date:
July 11, 2014
Export Citation:
Assignee:
SATO HOLDINGS CORPORATION
International Classes:
H04N1/00; B43L1/04; G06T1/00; H04N1/04
Domestic Patent References:
| JP2003198793A | ||||
| JP2008299412A |
Attorney, Agent or Firm:
Global IP Tokyo Patent Business Corporation