Title:
【発明の名称】fθレンズ
Document Type and Number:
Japanese Patent JP2860176
Kind Code:
B2
Inventors:
TAKAHASHI YASUSHI
Application Number:
JP8224091A
Publication Date:
February 24, 1999
Filing Date:
April 15, 1991
Export Citation:
Assignee:
RIKOO KOGAKU KK
International Classes:
G02B9/06; G02B13/00; G02B26/10; (IPC1-7): G02B13/00; G02B9/06; G02B26/10
Domestic Patent References:
| JP63204214A |
Attorney, Agent or Firm:
Toru Kabayama (1 person outside)