Title:
【発明の名称】光学素子作成方法
Document Type and Number:
Japanese Patent JP3071838
Kind Code:
B2
Inventors:
Takaaki Miyashita
Application Number:
JP2400191A
Publication Date:
July 31, 2000
Filing Date:
January 23, 1991
Export Citation:
Assignee:
株式会社リコー
International Classes:
G02B1/04; G02B3/00; G02B27/18; (IPC1-7): G02B3/00; G02B1/04; G02B27/18
Domestic Patent References:
| JP62222203A | ||||
| JP6317402A |
Attorney, Agent or Firm:
Akichika Takano