Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
変倍光学系及び光学機器
Document Type and Number:
Japanese Patent JP6446820
Kind Code:
B2
Inventors:
Akihiko Obama
Kensuke Uchida
Application Number:
JP2014087087A
Publication Date:
January 09, 2019
Filing Date:
April 21, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIKON CORPORATION
International Classes:
G02B15/20; G02B13/18; G03B5/00
Domestic Patent References:
JP2003287680A
JP2012053444A
JP2013125126A
JP4013110A
JP2012212087A
Foreign References:
WO2013146758A1
WO2012026088A1
US20130301141
US20150055221
US20120026602
US20130148005
US5202992
Attorney, Agent or Firm:
Masago Onishi
Hiroshi Kawano
Namiki Toshiaki