Inventor · disambiguated record
Katsuhiko Tsunefuji
Also filed as: TSUNEFUJI KATSUHIKO
26 granted patents·351 citations·filing 1977–1996
96Inventor score
Files withOLYMPUS OPTICAL CO26
Top patents by PatentIndex Score
26 records- 0195US4571049APhotographic camera of multiple spot photometry typeOLYMPUS OPTICAL CO·Filed 1984·Granted Feb 18, 1986·36 cites·12 claims
- 0290US4589754ACameraOLYMPUS OPTICAL CO·Filed 1983·Granted May 20, 1986·18 cites·2 claims
- 0389US4618238ACameraOLYMPUS OPTICAL CO·Filed 1984·Granted Oct 21, 1986·17 cites·13 claims
- 0486US4183646AElectrical shutter of electromagnetic release type for cameraOLYMPUS OPTICAL CO·Filed 1978·Granted Jan 15, 1980·15 cites·8 claims
- 0585US4589755ACameraOLYMPUS OPTICAL CO·Filed 1984·Granted May 20, 1986·13 cites·10 claims
- 0683US5719621AFilm image reproducing apparatusOLYMPUS OPTICAL CO·Filed 1996·Granted Feb 17, 1998·86 cites·83 claims
- 0781US4589757ACameraOLYMPUS OPTICAL CO·Filed 1984·Granted May 20, 1986·11 cites·5 claims
- 0877US5473401ACamera having a locking mechanism for preventing accidental opening of a back coverOLYMPUS OPTICAL CO·Filed 1994·Granted Dec 5, 1995·17 cites·31 claims
- 0976US4321570ARelease electromagnetOLYMPUS OPTICAL CO·Filed 1980·Granted Mar 23, 1982·21 cites·24 claims
- 1069US5111232ACamera having fuzzy inference functionOLYMPUS OPTICAL CO·Filed 1990·Granted May 5, 1992·13 cites·26 claims
- 1168US5424790AProjection apparatusOLYMPUS OPTICAL CO·Filed 1993·Granted Jun 13, 1995·14 cites·28 claims
- 1267US4529289ACameraOLYMPUS OPTICAL CO·Filed 1983·Granted Jul 16, 1985·8 cites·9 claims
- 1366US5389983ACameraOLYMPUS OPTICAL CO·Filed 1992·Granted Feb 14, 1995·11 cites·6 claims
- 1463US5594517AEnlargement photographing apparatusOLYMPUS OPTICAL CO·Filed 1994·Granted Jan 14, 1997·24 cites·28 claims
- 1561US4272168APhotographic camera of automatic exposure control typeOLYMPUS OPTICAL CO·Filed 1979·Granted Jun 9, 1981·5 cites·22 claims
- 1660US4167313AFocal plane shutter camera having an electromagnetic diaphragm mechanismOLYMPUS OPTICAL CO·Filed 1977·Granted Sep 11, 1979·5 cites·8 claims
- 1758US5298929ACameraOLYMPUS OPTICAL CO·Filed 1992·Granted Mar 29, 1994·8 cites·26 claims
- 1856US4179593AChange-over switch for printed circuit boardOLYMPUS OPTICAL CO·Filed 1979·Granted Dec 18, 1979·8 cites·15 claims
- 1953US5576784AFilm transport device of cameraOLYMPUS OPTICAL CO·Filed 1994·Granted Nov 19, 1996·6 cites·29 claims
- 2046US4115790ADevice for preventing leakage current in light responsive circuitOLYMPUS OPTICAL CO·Filed 1977·Granted Sep 19, 1978·2 cites·5 claims
- 2143US4315678AElectrical shutter of electromagnetic release type for camera having adjustable delay circuit for adjusting the precision of the electrical shutterOLYMPUS OPTICAL CO·Filed 1981·Granted Feb 16, 1982·3 cites·7 claims
- 2241US4392729AMovable reflecting mirror for single lens reflex cameraOLYMPUS OPTICAL CO·Filed 1981·Granted Jul 12, 1983·7 cites·8 claims
- 2338US4332447AElectromagnetic shutter apparatus for cameraOLYMPUS OPTICAL CO·Filed 1979·Granted Jun 1, 1982·1 cites·6 claims
- 2436US4290681AProgrammed shutter deviceOLYMPUS OPTICAL CO·Filed 1979·Granted Sep 22, 1981·1 cites·60 claims
- 2536US4171156AElectromagnetic shutter apparatus for cameraOLYMPUS OPTICAL CO·Filed 1978·Granted Oct 16, 1979·1 cites·5 claims
- 2631US4231644AElectrical shutter for cameraOLYMPUS OPTICAL CO·Filed 1978·Granted Nov 4, 1980·0 cites·17 claims
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