Title:
【考案の名称】光学変色膜
Document Type and Number:
Japanese Patent JP3087498
Kind Code:
U
Inventors:
Wang Shiyuan
Application Number:
JP2002000285U
Publication Date:
August 02, 2002
Filing Date:
January 25, 2002
Export Citation:
Assignee:
Katsuka Technology Co., Ltd.
International Classes:
(IPC1-7): G02F1/1335; G02B5/02; G02B5/20; G02F1/13357; G09F9/00
Attorney, Agent or Firm:
Masaki Hattori