Inventor · disambiguated record
Mitsuo Koyama
Also filed as: KOYAMA MITSUO · NAKAGAWA TADASHI
20 granted patents·104 citations·filing 1974–2021
93Inventor score
Top patents by PatentIndex Score
20 records- 0184US4054892ASlit shutter blade stabilizing device for camerasSEIKO KOKI KK·Filed 1975·Granted Oct 18, 1977·14 cites·2 claims
- 0282US4110772ACamera shutter having bound prevention deviceSEIKO KOKI KK·Filed 1977·Granted Aug 29, 1978·12 cites·4 claims
- 0382US3946413AShutter blade rebound preventive device for camera shutterSEIKO KOKI KK·Filed 1974·Granted Mar 23, 1976·11 cites·3 claims
- 0478US4150890ADevice in camera shutter for maintaining separate blades in intimate contact with each otherSEIKO KOKI KK·Filed 1976·Granted Apr 24, 1979·10 cites·1 claims
- 0572US4145132AOpening and closing device of a camera shutter mechanismSEIKO KOKI KK·Filed 1976·Granted Mar 20, 1979·8 cites·3 claims
- 0669US6816130B1Display apparatus for use in athletic gamesMOLTEN CORP·Filed 2000·Granted Nov 9, 2004·20 cites·3 claims
- 0769US4119986AControl device of a shutter for a cameraSEIKO KOKI KK·Filed 1976·Granted Oct 10, 1978·7 cites·6 claims
- 0861US4114174AShutter opening and closing mechanism for camerasSEIKO KOKI KK·Filed 1977·Granted Sep 12, 1978·5 cites·9 claims
- 0957US4091401ADriving force-adjusting mechanism for camera shutterSEIKO KOKI KK·Filed 1977·Granted May 23, 1978·4 cites·6 claims
- 1056US11675256B2Closing member, electronic device, electronic device fabrication method, light source unit, and projectorCASIO COMPUTER CO LTD·Filed 2021·Granted Jun 13, 2023·0 cites·23 claims
- 1155US3950772AShutter for a cameraSEIKO KOKI KK·Filed 1974·Granted Apr 13, 1976·4 cites·1 claims
- 1245US4143957AControl device of shutter for cameraSEIKO KOKI KK·Filed 1976·Granted Mar 13, 1979·2 cites·10 claims
- 1344US4142789ACharging mechanism of a camera shutterSEIKO KOKI KK·Filed 1976·Granted Mar 6, 1979·2 cites·5 claims
- 1440US4104665AContact mechanism of shutter for cameraSEIKO KOKI KK·Filed 1976·Granted Aug 1, 1978·2 cites·6 claims
- 1537US4229093AControl device in a shutter for a cameraSEIKO KOKI KK·Filed 1976·Granted Oct 21, 1980·1 cites·4 claims
- 1636US4259001AActuating lever stopping device of a camera shutter mechanismSEIKO KOKI KK·Filed 1976·Granted Mar 31, 1981·1 cites·6 claims
- 1735US4092657AElectrically operated shutter with a mechanical control deviceSEIKO KOKI KK·Filed 1975·Granted May 30, 1978·1 cites·1 claims
- 1832US4204763AExposure time setting device for shutter of cameraSEIKO KOKI KK·Filed 1978·Granted May 27, 1980·0 cites·3 claims
- 1931US4110767AShutter and view finder for single lens reflex cameraSEIKO KOKI KK·Filed 1977·Granted Aug 29, 1978·0 cites·3 claims
- 2030US4134659ACamera shutter control meansSEIKO KOKI KK·Filed 1977·Granted Jan 16, 1979·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Mitsuo Koyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →