Title:
光量調節装置、撮影装置及び光学機器
Document Type and Number:
Japanese Patent JP6641664
Kind Code:
B2
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Inventors:
Daisuke Terahara
Application Number:
JP2015181683A
Publication Date:
February 05, 2020
Filing Date:
September 15, 2015
Export Citation:
Assignee:
Ricoh Imaging Co., Ltd.
International Classes:
G03B9/06
Domestic Patent References:
| JP2015049430A | ||||
| JP2008203576A | ||||
| JP2014164049A |
Foreign References:
| WO2013005436A1 |
Attorney, Agent or Firm:
Shuhei Matsuoka
Munetaka Yamaga
Munetaka Yamaga