OPTICAL SYSTEM INCLUDING REFRACTIVE SURFACE AND REFLECTIVE SURFACE, AND IMAGING APPARATUS AND PROJECTION APPARATUS INCLUDING THE SAME | Patent Publication Number 20190033566

US 20190033566 A1
Patent Number-
Application Number16042921
Filled DateJul 23, 2018
Priority DateJul 23, 2018
Publication DateJan 31, 2019
Original Assignee
Current AssigneeCanon Inc.
Inventor/ApplicantsKoji Maezawa
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