Title:
Natural lighting device
Document Type and Number:
Japanese Patent JP5928951
Kind Code:
B2
Inventors:
Hideo Arai
Application Number:
JP2012207212A
Publication Date:
June 01, 2016
Filing Date:
September 20, 2012
Export Citation:
Assignee:
Material House Co., Ltd.
International Classes:
F21S11/00; E06B5/00; E06B9/386; F21V11/02
Domestic Patent References:
| JP2000170467A | ||||
| JP2001027080A |
Foreign References:
| WO2009025089A1 |
Attorney, Agent or Firm:
Haruyuki Tanaka