Title:
フレネルレンズシート及び照明装置
Document Type and Number:
Japanese Patent JP5403453
Kind Code:
B1
Inventors:
West Rice field 知 Rule
Later 藤 Size 介
降 Flag 渉
Waterfall 沢 1 Tree
Later 藤 Size 介
降 Flag 渉
Waterfall 沢 1 Tree
Application Number:
JP2013145809A
Publication Date:
January 29, 2014
Filing Date:
July 11, 2013
Export Citation:
Assignee:
Dai Nippon Printing Co., Ltd.
International Classes:
F21V5/04; G02B3/08; G02B5/02; F21Y101/02
Domestic Patent References:
| JP2013068751A | 2013-04-18 | |||
| JP2009175597A | 2009-08-06 | |||
| JP2013016588A | 2013-01-24 |
Attorney, Agent or Firm:
Katsunuma Hirohito
Hiroyuki Nagai
Katsuomi Isogai
Yukihiro Hotta
Hiroyuki Nagai
Katsuomi Isogai
Yukihiro Hotta