| 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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| 09/15/1987 | US4693565 Collimator lens |
| 09/08/1987 | US4691996 Wide-angle photographic lens |
| 09/01/1987 | US4690518 Wide angle copying lens system |
| 08/25/1987 | US4688906 Three dimensional reflex lens systems |
| 08/25/1987 | US4688903 Wide angle lens |
| 08/05/1987 | EP0231029A2 Optical system |
| 08/04/1987 | US4684221 Graded refractive index single lens system |
| 07/28/1987 | US4682863 Ultra-wide angle micrographic lens |
| 07/21/1987 | US4681407 Two-glass photographic objective color-corrected at four wavelengths |
| 06/30/1987 | US4676607 Behind stop lens |
| 06/30/1987 | US4676606 Image transmission optical system for an endoscope |
| 06/23/1987 | US4674844 Objective lens system for an endscope |
| 06/23/1987 | US4674843 Gradient index lens |
| 06/16/1987 | US4673259 Wide angle lens system having short overall length |
| 06/09/1987 | US4671627 Gaussian lens |
| 06/09/1987 | US4671626 Photographic lens system |
| 05/26/1987 | US4668055 Lens for an optical recording/reproducing apparatus and optical recording/reproducing apparatus using same |
| 05/19/1987 | US4666268 Optical device having a focusing function |
| 04/09/1987 | WO1987002146A1 Method of manufacturing gradient index lens |
| 04/08/1987 | EP0217526A1 Ultra wide angle micrographic lens |
| 03/31/1987 | US4653876 Close-up lens system |
| 03/25/1987 | EP0215118A1 Compact see-through night vision goggles. |
| 03/24/1987 | CA1219413A1 Image-transmitting synthetic resin rod and process for producing the same |
| 03/19/1987 | DE3622125A1 Apochromat |
| 02/24/1987 | US4645312 Photographic lens system |
| 02/24/1987 | US4645311 Scanning objective |
| 02/17/1987 | US4643535 Optical information recording/reproducing element |
| 02/10/1987 | US4641927 Chromatic aberration corrected gradient index lens system |
| 02/10/1987 | CA1217667A Thin optical membranes and method for making such membranes |
| 01/06/1987 | US4634235 Lens system capable of converting focal length by addition of a lens |
| 01/06/1987 | US4634233 Method of forming a light source by the use of a refractive index distribution type lens and light source device |
| 12/31/1986 | CN85103531A Projector system equipped with crt and lens |
| 12/30/1986 | US4632520 Plastic objective lens system adapted for correction for temperature |
| 11/11/1986 | US4621909 Photographic lens of a great aperture ratio |
| 11/04/1986 | US4620775 Front-diaphragm wide angle lens |
| 09/12/1986 | WO1986005281A1 Objective lens system, relay lens system, and eyepiece lens system for night-vision goggles |
| 09/09/1986 | US4610516 Photographic lens system for endoscopes |
| 09/09/1986 | US4610515 Objective lens for an optical disc |
| 09/09/1986 | US4610514 Telephoto lens system |
| 08/19/1986 | US4606615 Behind stop lens |
| 08/19/1986 | US4606607 Photographic lens system with a short overall length |
| 07/22/1986 | US4601548 For forming in the air the image of an object present in the air |
| 07/15/1986 | US4600276 Optical disc player lens |
| 06/10/1986 | US4593975 Image-transmitting synthetic resin rod and a process for producing the same |
| 05/21/1986 | EP0181727A1 Optical coupler |
| 04/29/1986 | US4585314 Projection lens |
| 03/25/1986 | US4577935 Video projector lens system |
| 03/18/1986 | US4576448 Photographic lens system for compact cameras |
| 03/11/1986 | US4575198 Lens system |
| 02/25/1986 | US4572623 Objective lens for optical disc |
| 02/04/1986 | US4568151 Photographic lens system |
| 12/31/1985 | US4561730 Electrophotographic imaging system with folded optical passageway |
| 12/24/1985 | US4560243 Projection lens |
| 12/10/1985 | US4557566 Spherical lens for spherically symmetrical graded refractive index distribution provided with rod clad |
| 12/03/1985 | US4556296 Objective lens for use with information storage disks |
| 12/03/1985 | US4556295 Ultracompact telephoto lens |
| 11/19/1985 | US4553823 Large relative aperture objective lens |
| 11/05/1985 | US4550987 Small size telephoto lens |
| 10/22/1985 | US4548480 Projection lens apparatus |
| 10/08/1985 | US4545654 Bright telephoto lens |
| 10/08/1985 | US4545652 Flat field lenses |
| 10/02/1985 | EP0156453A1 Lens for an optical recording/reproducing apparatus |
| 09/24/1985 | US4542961 Triplet type objective |
| 09/24/1985 | US4542954 Wide angle lens for the infrared dedicatory clause |
| 08/13/1985 | US4534626 Large relative aperture telephoto lens system |
| 07/30/1985 | US4531815 Objective lens |
| 07/23/1985 | US4530575 Video projector lens system |
| 07/09/1985 | US4527858 Uniform speed scanning lens having a high resolving power |
| 07/02/1985 | US4526442 For a cathode ray tube display |
| 06/11/1985 | US4522471 Adapter lens system for use with photographic cameras |
| 06/04/1985 | US4521086 Objective for an IC mask testing device |
| 06/04/1985 | US4521084 Photographic lens system |
| 05/21/1985 | US4518222 Optical device and method |
| 04/30/1985 | US4514052 High speed objective lens system with an aspheric surface |
| 04/23/1985 | US4512641 Compound eye projection device |
| 04/02/1985 | US4508434 Bright medium-range telephoto lens |
| 03/26/1985 | US4507772 Playback optical system for video discs |
| 03/19/1985 | US4505569 Projection apparatus which compensates for the spectral sensitivity of an image receiving member |
| 01/22/1985 | US4494829 Curved field photographic objective |
| 01/15/1985 | US4493537 Objective lens system for endoscopes |
| 01/02/1985 | CA1180211A Spherical gradient-index lens designs for video-disk pickup lens or the like |
| 01/01/1985 | US4491394 Image-forming lens system |
| 12/25/1984 | US4490019 Wide angle copying lens with high aperture efficiency |
| 12/18/1984 | US4488788 Small-size wide angle lens |
| 12/11/1984 | US4487484 Behind-stop Tesser type lens system |
| 12/04/1984 | CA1178834A1 Variable focal length projection lens for use on overhead projectors |
| 11/27/1984 | US4484802 Optical read-out lens system for optically recorded disks |
| 11/20/1984 | US4483597 Large aperture ratio telephoto lens system |
| 11/13/1984 | US4482220 Device for correctively compensating the aperture error in reproducing systems |
| 10/23/1984 | US4478496 Zoom lens |
| 10/16/1984 | US4477155 Photographic lens of the partial focusing type |
| 10/16/1984 | US4477154 Photographic objective |
| 10/02/1984 | US4474448 Focus detection device |
| 09/04/1984 | US4469413 Aspherical lens for indirect ophthalmoscope |
| 08/28/1984 | US4468100 Wide-angle photographic lens |
| 08/28/1984 | US4468098 Compact telephoto zoom lens system |
| 08/28/1984 | US4468097 Four-group great aperture ratio zoom lens |
| 08/21/1984 | US4466711 Gauss type lens |
| 08/21/1984 | US4466710 Large relative aperture objective lens |
| 08/14/1984 | US4465345 Small-size telescopic lens |