Title:
【発明の名称】リヤーフォーカス式のズームレンズ
Document Type and Number:
Japanese Patent JP2917567
Kind Code:
B2
Inventors:
HAMANO HIROYUKI
Application Number:
JP9362391A
Publication Date:
July 12, 1999
Filing Date:
March 29, 1991
Export Citation:
Assignee:
KYANON KK
International Classes:
G02B13/18; G02B15/20; G02B15/22; (IPC1-7): G02B15/20; G02B13/18; G02B15/22
Domestic Patent References:
| JP606914A |
Attorney, Agent or Firm:
Takanashi Yukio