| Patents for G03B 11 - Filters or other obturators specially adapted for photographic purposes (3,423) |
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| 11/24/1987 | US4708449 Mask system for making multiple photographic exposures |
| 09/29/1987 | US4697228 Collapsible light wand |
| 08/26/1987 | EP0233419A1 Optical accessory module for viewing, laboratory or imaging apparatuses |
| 08/18/1987 | US4687926 Spectrally filtered lens producing plural f-numbers with different spectral characteristics |
| 08/04/1987 | US4684231 Camera filter adaptor system |
| 07/21/1987 | US4681418 Camera |
| 07/14/1987 | CA1224074A1 Camera mechanism |
| 06/30/1987 | CA1223470A1 Incident light filter for cameras |
| 06/02/1987 | US4669846 Coupling device for frame-shaped accessories for camera equipment |
| 04/22/1987 | EP0218997A2 Power generating optical filter |
| 03/31/1987 | US4653884 Foldable camera accessory for photographing electro-luminescent images |
| 01/27/1987 | US4639109 Optical accessory for photographic apparatus |
| 12/31/1986 | CN85204055U Camera filter for trick photography and screening |
| 11/11/1986 | US4621889 Camera filter |
| 09/09/1986 | US4611243 Electronic camera having improved support for optical low-pass filter |
| 09/09/1986 | US4610517 Clamp for lens hood |
| 09/02/1986 | US4609270 Camera with interchangeable taking lenses |
| 07/30/1986 | EP0188711A2 Spectrally filtered lens producing plural f-numbers with different spectral characteristics |
| 07/15/1986 | US4600278 Lens cap |
| 06/17/1986 | US4595268 Camera having lens protection cover |
| 05/20/1986 | US4589751 Attachment device for interchangeable optical device |
| 05/20/1986 | US4589747 Electronic flash incorporated camera |
| 05/13/1986 | US4588266 Filter device for reflex optical system zoom lens |
| 05/06/1986 | US4586802 Camera capable of special effects photography |
| 03/18/1986 | US4576459 Eye-cup for camera |
| 03/11/1986 | US4575208 Lens mounted light system |
| 02/18/1986 | US4571043 Dustproofing device for thin vertically disposed camera |
| 01/07/1986 | US4563063 Sun shade and holding device |
| 12/03/1985 | US4556304 Autofocus camera including a cover for a taking lens and diagonally disposed range finder windows |
| 08/06/1985 | US4533212 Accessory holding device for optical instrument |
| 05/07/1985 | US4515454 Focusing hood for cameras |
| 03/12/1985 | US4504140 Camera filter holders |
| 03/05/1985 | US4502768 Camera with a built-in strobo |
| 03/05/1985 | US4502760 Accessory holder module for optical equipment |
| 02/05/1985 | US4497549 Collapsible lens shade |
| 01/08/1985 | US4492443 Camera mechanism |
| 11/27/1984 | US4484805 Photo splitting device |
| 11/06/1984 | US4480896 Optical filter suitable for portrait photography |
| 10/23/1984 | CA1176494A1 Combined flash unit and lens cover for a photographic camera |
| 10/16/1984 | US4477148 Optical low-pass filter |
| 09/25/1984 | US4473289 Incident light filter for cameras |
| 09/25/1984 | US4473284 In-focus state detecting device for camera |
| 09/04/1984 | US4469426 Camera of automatic exposure control type |
| 08/28/1984 | US4468102 Lens shade |
| 07/24/1984 | US4461547 Lens hood with an eccentrically disposed light intercepting body for a camera |
| 07/11/1984 | EP0113089A1 Disc camera |
| 07/03/1984 | US4457604 Camera having lens protection cover |
| 05/29/1984 | US4451130 Disc camera with handle grip cover |
| 04/25/1984 | EP0106538A1 Camera filter |
| 04/24/1984 | US4445136 Television camera having an optical lowpass filter |
| 04/17/1984 | US4443061 Device for holding accessories for the lenses of apparatuses for taking photographs |
| 04/10/1984 | US4441799 Camera with a lens protective cover |
| 04/10/1984 | US4441794 Adjustable sun screen for camera lens |
| 03/13/1984 | US4436400 Apparatus for positive vignetting |
| 02/28/1984 | CA1162770A1 Accessory case for camera objectives |
| 01/19/1984 | WO1984000218A1 Auxiliary device for shooting apparatus |
| 12/28/1983 | EP0097064A1 Filter and accessory module for an optical apparatus |
| 12/27/1983 | US4423470 Lens barrel suitable for flash photography |
| 11/29/1983 | CA1157699A1 Combined lens cap and sunshade for a camera |
| 11/22/1983 | US4416528 Camera lens accessory mounting construction |
| 11/15/1983 | US4415242 Camera lens cover and sunshade apparatus |
| 10/18/1983 | US4410253 Camera having lens protection cover |
| 08/24/1983 | EP0086295A1 Lens shade |
| 08/02/1983 | US4396270 Camera having a photographing lens protection member |
| 07/13/1983 | EP0083430A1 Filter holder for a photographic apparatus |
| 06/28/1983 | US4390242 Detachable camera filter holder capable of being connected in series with a like filter holder |
| 06/07/1983 | US4386835 Device for reducing counter-light incident on a single-lens reflex view finder |
| 05/24/1983 | US4384767 Clamping device for camera accessory or hood |
| 05/17/1983 | US4383735 Photographic filter pack and filter holder |
| 05/03/1983 | US4381885 Device for holding accessories for the lenses of apparatuses for taking pictures |
| 01/04/1983 | US4367028 Camera with protective cover |
| 09/14/1982 | US4349266 Lens cap for a camera |
| 07/27/1982 | US4341436 Lens cap |
| 05/11/1982 | CA1123244A1 Accessory case for camera lenses |
| 05/04/1982 | US4327984 Light filter assembly for photographic camera |
| 05/04/1982 | US4327960 Lens cap holder |
| 03/16/1982 | US4319818 Photographic camera |
| 01/19/1982 | US4311364 Camera filters and a method of making the same |
| 12/10/1981 | WO1981003553A1 Lens hood for camera |
| 11/24/1981 | US4302078 Photographic filter holder with threaded adapter |
| 10/20/1981 | US4295706 Combined lens cap and sunshade for a camera |
| 09/30/1981 | EP0036818A1 Accessory mount for a camera lens and lens shade usable with it |
| 08/11/1981 | US4283132 Photographic camera |
| 07/29/1981 | EP0032488A1 Moulding plastics articles |
| 07/28/1981 | US4280762 Camera having an independently focused retractable objective lens |
| 06/16/1981 | US4273434 Photographic camera |
| 03/17/1981 | US4256372 Catadioptric lens system with light transmission control means |
| 03/05/1981 | WO1981000624A1 Lens cap for camera |
| 01/12/1981 | WO1981000077A1 Moulding plastics articles |
| 12/23/1980 | US4240735 Protective cover for taking lens of camera |
| 10/01/1980 | EP0015939A1 Collapsible lens shade |
| 06/03/1980 | US4205895 Collapsible lens shade |
| 11/01/1979 | WO1979000867A1 Collapsible lens shade |
| 09/19/1979 | EP0004246A2 Device for mounting accessories on camera objectives and a hood to be used with this device |
| 09/04/1979 | US4166678 Light shield for photometer-equipped camera |
| 02/27/1979 | US4141637 Electrically controlled self-timer devices for single lens reflex cameras |
| 01/30/1979 | US4137540 Camera matte box |
| 01/16/1979 | US4134661 Exposure indicating device in a single lens reflex camera having a built-in TTL exposure meter |
| 11/21/1978 | US4126878 Optical framing device for photographic cameras |
| 11/07/1978 | US4124859 Multi-effect portable camera vignette |