| Patents for G02B 9 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or (5,791) |
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| 08/07/1984 | US4464024 Optical system for microfilm |
| 08/07/1984 | US4464023 Large relative aperture objective |
| 07/10/1984 | US4458991 Photographic objective of reduced size |
| 07/03/1984 | US4457596 Behind diaphragm lens |
| 07/03/1984 | US4457595 Large relative aperture telephoto lens system |
| 07/03/1984 | US4457593 Photographic lens system |
| 07/03/1984 | US4457592 Optical system utilizing a transversely movable plate for focusing |
| 07/03/1984 | US4457590 Spherical gradient-index lens designs for video-disk pickup lens or the like |
| 06/26/1984 | US4456345 Thin type photographic lens system |
| 06/13/1984 | EP0110183A1 Microlens |
| 06/05/1984 | US4453178 Projection television apparatus |
| 06/05/1984 | CA1168745A1 Stigmatic optical device |
| 05/29/1984 | US4451125 Behind aperture lens system |
| 05/22/1984 | US4449794 Imaging optical system |
| 05/22/1984 | US4449792 Large-aperture single lens with aspherical surfaces |
| 05/16/1984 | EP0108420A2 Image-transmitting synthetic resin rod and process for producing the same |
| 05/15/1984 | US4448497 Great aperture ratio lens |
| 05/08/1984 | US4447138 Objective system for video disc |
| 05/08/1984 | US4447137 Large-aperture telephoto lens |
| 04/25/1984 | EP0106471A2 A method of selecting optical materials |
| 04/24/1984 | US4444473 Gauss type lens system |
| 04/18/1984 | EP0105467A1 Synthetic resin lens system |
| 04/17/1984 | US4443070 Camera lens system with long back focal distance and large aperture ratio |
| 04/17/1984 | US4443069 Compact camera lens system with a short overall length |
| 03/27/1984 | US4439017 Zoom lens |
| 03/20/1984 | US4437735 Inverted telephoto type wide angle objective of large relative aperture |
| 03/20/1984 | US4437734 Lenses capable of close-up photography |
| 03/13/1984 | US4436383 F-θ lens system |
| 03/13/1984 | US4436382 Retrofocus type super wide angle lens system |
| 03/06/1984 | US4435049 Telephoto lens system |
| 02/14/1984 | US4431274 Macrolens |
| 01/17/1984 | US4426137 Gauss type photographic lens |
| 01/17/1984 | US4426136 Projection lens with long working distance |
| 12/27/1983 | US4422734 Photographic lens system having an auxiliary lens |
| 11/22/1983 | US4416519 Objective for video disks |
| 11/15/1983 | US4415241 Tessor type lens systems for facsimile |
| 11/08/1983 | US4413888 Compact photographic objective |
| 10/04/1983 | US4407568 Large aperture objective with behind the lens diaphragm |
| 09/28/1983 | EP0089694A2 Chromatic aberration corrected gradient index lens system |
| 09/13/1983 | US4403837 Objective for endoscopes |
| 08/30/1983 | US4401362 f-θ Lens system |
| 08/23/1983 | US4400065 Multi-purpose telescope |
| 08/23/1983 | US4400063 F(θ) Lens system of four-group construction |
| 08/10/1983 | EP0085473A1 Graded-index lens |
| 08/02/1983 | US4396256 Large aperture ratio, long focus lens |
| 08/02/1983 | US4396255 Standard photographic lens system |
| 08/02/1983 | US4396254 f·θ Lens |
| 07/26/1983 | US4395094 Large aperture ratio photographic lens with means for correcting aberrations |
| 07/26/1983 | CA1150544A1 Objective comprising aspherical surfaces, whose focal length is variable over a wide range |
| 07/19/1983 | US4394073 Compact wide angle lens |
| 07/19/1983 | US4394071 Lens system with fill-in lens |
| 07/12/1983 | US4392724 Lens system capable of short distance photography |
| 06/28/1983 | US4390252 Gauss type photographic lens |
| 06/28/1983 | US4390251 Photographic objectives of relatively large aperture |
| 06/28/1983 | US4390250 Photographic lens system |
| 06/28/1983 | US4390249 Galilean-type telescope system |
| 06/21/1983 | US4389100 Objective system for video disc |
| 06/21/1983 | US4389099 Photographic lens system |
| 05/24/1983 | US4384766 Optical system for copying |
| 05/03/1983 | US4381888 Retrofocus type large aperture wide angle objective |
| 04/19/1983 | US4380374 Variable focal length projection lens for use on overhead projectors |
| 03/22/1983 | US4377326 Macro lens system |
| 03/15/1983 | US4376571 Photographic small size objective |
| 03/01/1983 | CA1142005A1 Wide aperture objective lens |
| 02/15/1983 | US4373786 Photographic objective of reduced size |
| 01/25/1983 | US4370032 Projection lens |
| 01/18/1983 | US4368957 Wide aperture objective lens |
| 01/18/1983 | US4368956 Compact photographic objective |
| 12/21/1982 | US4364644 Gauss type large aperture photographic objective |
| 12/21/1982 | US4364643 Large aperture ratio photographic lens |
| 11/16/1982 | US4359271 Compact photographic camera lens system having a short overall length |
| 11/16/1982 | US4359269 Variable power copying lens system |
| 10/27/1982 | EP0063425A1 Variable focal length projection lens for use on overhead projectors |
| 10/19/1982 | US4354743 Attachment lens system |
| 10/19/1982 | US4354734 Objective optical system for endoscopes |
| 10/12/1982 | US4353624 Afocal relay lens system |
| 10/05/1982 | US4352541 Optical scanning device with constant speed scan |
| 09/21/1982 | US4350415 Auxiliary lens system for overhead projectors |
| 09/21/1982 | US4350411 Transfer lens and head-down display using the same |
| 09/21/1982 | CA1131969A1 Fixed focus exposure control apparatus with reverse spherical aberration corrective characteristic |
| 09/14/1982 | US4349249 Compound lens |
| 09/07/1982 | US4348084 Tele-photographic lens of large aperture ratio |
| 09/07/1982 | US4348081 Projection lens |
| 08/31/1982 | US4346966 Compact lens system operable in different mediums |
| 08/24/1982 | US4345823 Reproduction lens having a six group six element composition a large vignetting factor and a compact size |
| 08/24/1982 | CA1130125A1 Optical scanning device |
| 07/27/1982 | CA1128348A1 Panoramic spying device for use in thick walls |
| 07/20/1982 | US4340279 Rear attachment lens |
| 07/20/1982 | CA1127894A1 Transfer lens for optical image display system |
| 06/08/1982 | US4334300 Stigmatic optical device and an optical recording head equipped with said device |
| 05/25/1982 | US4331391 Lens system having wide angle objectives |
| 05/12/1982 | EP0051282A2 Wide aperture objective lens |
| 05/11/1982 | US4329024 Objective lenses |
| 05/04/1982 | US4327963 Coupling element with a lens for an optical transmission system |
| 03/16/1982 | US4319810 Four-group lens |
| 03/16/1982 | US4319809 Symmetrical 1:1 photographic objective lens |
| 03/02/1982 | CA1119032A1 Write and read objective lens for high density storage |
| 01/12/1982 | US4310221 Variable soft-focus lens |
| 01/05/1982 | CA1115569A1 Multi-axial optical objective for an optical read head in a facsimile system |
| 12/01/1981 | US4303315 Compact wide angle lens |