Title:
A bulk type lens, a photogen using it, and a lighting installation
Document Type and Number:
Japanese Patent JP6106872
Kind Code:
B2
Inventors:
Satoshi Tamaki
Akira Otsuka
Akira Otsuka
Application Number:
JP2012192715A
Publication Date:
April 05, 2017
Filing Date:
September 01, 2012
Export Citation:
Assignee:
Lab Sphere Co., Ltd.
International Classes:
G02B3/04; F21S2/00; F21V5/00; F21V5/04; F21V7/00; H01L33/58
Domestic Patent References:
| JP2006114863A | ||||
| JP2002228921A | ||||
| JP2001111112A | ||||
| JP2008547168A |
Foreign References:
| US2254962 |
Attorney, Agent or Firm:
Kazuyuki Hirayama