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the rear + component being compound
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CPC
G02B9/52
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Parent Industries
G
PHYSICS
G02
Optics
G02B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
G02B9/00
Optical objectives characterised both by the number of the components and their arrangements according to their sign
Current Industry
G02B9/52
the rear + component being compound
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Patents Grants
last 30 patents
Information
Patent Grant
Rear converter lens and imaging apparatus
Patent number
10,197,893
Issue date
Feb 5, 2019
FUJIFILM Corporation
Tetsuya Ori
G02 - OPTICS
Information
Patent Grant
Reading lens system for use in scanner
Patent number
5,040,884
Issue date
Aug 20, 1991
Ricoh Company, Ltd.
Yuichiro Kanoshima
G02 - OPTICS
Information
Patent Grant
Focusing-in-part lens system
Patent number
4,784,480
Issue date
Nov 15, 1988
Canon Kabushiki Kaisha
Hideo Yokota
G02 - OPTICS
Information
Patent Grant
Photographic camera lens system having a short total length
Patent number
4,232,945
Issue date
Nov 11, 1980
Olympus Optical Co., Ltd.
Kazushi Hyakumura
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OBJECTIVE LENS
Publication number
20230194831
Publication date
Jun 22, 2023
KYOCERA SOC Corporation
Takao Tanabe
G02 - OPTICS
Information
Patent Application
REAR CONVERTER LENS AND IMAGING APPARATUS
Publication number
20170277022
Publication date
Sep 28, 2017
FUJIFILM CORPORATION
Tetsuya ORI
G02 - OPTICS