Title:
【発明の名称】不均質レンズ
Document Type and Number:
Japanese Patent JP3079497
Kind Code:
B2
Inventors:
Hirofumi Tsuchida
Norihiko Aoki
Toshiyuki Nagaoka
Norihiko Aoki
Toshiyuki Nagaoka
Application Number:
JP12187691A
Publication Date:
August 21, 2000
Filing Date:
April 25, 1991
Export Citation:
Assignee:
Olympus Optical Co., Ltd.
International Classes:
G02B3/00; G02B9/00; (IPC1-7): G02B3/00; G02B9/00
Domestic Patent References:
| JP2176601A |
Attorney, Agent or Firm:
Kanji Mukai