with paired lenses, one of which forms image on photographic material and the other forms a corresponding image on a focusing screen

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Patents Grantslast 30 patents

Information Patent Grant
Optical system
- Patent number 11,243,370
- Issue date Feb 8, 2022
- TDK TAIWAN CORP.
- Fu-Yuan Wu
- G02 - OPTICS
Information Patent Grant
Lens module
- Patent number 11,137,585
- Issue date Oct 5, 2021
- AAC OPTICS SOLUTIONS PTE. LTD.
- Jie Ma
- G02 - OPTICS
Information Patent Grant
Lens module
- Patent number 11,029,500
- Issue date Jun 8, 2021
- AAC OPTICS SOLUTIONS PTE. LTD.
- Hailong Wang
- G02 - OPTICS
Information Patent Grant
Optical system
- Patent number 10,359,597
- Issue date Jul 23, 2019
- TDK TAIWAN CORP.
- Fu-Yuan Wu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming optical system and electronic image pickup apparatus...
- Patent number 8,472,124
- Issue date Jun 25, 2013
- Olympus Corporation
- Shinichi Mihara
- G02 - OPTICS
Information Patent Grant
Image forming optical system and electronic image pickup apparatus...
- Patent number 8,411,367
- Issue date Apr 2, 2013
- Olympus Corporation
- Akitaka Nakagawa
- G02 - OPTICS
Information Patent Grant
Bright screen optical viewer apparatus and method
- Patent number 4,339,188
- Issue date Jul 13, 1982
- Beattie Systems, Inc.
- Harry L. O. Smith
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
3110238
- Patent number 3,110,238
- Issue date Nov 12, 1963
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY