Assignee
ASAHI KOGAKU KK
JP·26 granted patents·607 citations·filing 1975–2000
Top patents by PatentIndex Score
26 records- 0197US5345288AElectronically controlled camera with automatic release mode and interval time settingASAHI KOGAKU KK·Filed 1992·Granted Sep 6, 1994·65 cites·8 claims
- 0295US3978503ALight shield mechanism for quadrilateral openingASAHI KOGAKU KK·Filed 1975·Granted Aug 31, 1976·33 cites·4 claims
- 0393US4897250AProcess for producing calcium phosphateASAHI KOGAKU KK·Filed 1989·Granted Jan 30, 1990·58 cites·11 claims
- 0487US6384968B1Microscope with illuminating optical systemASAHI KOGAKU KK·Filed 2000·Granted May 7, 2002·31 cites·10 claims
- 0587US5428413AEye direction detecting apparatusASAHI KOGAKU KK·Filed 1993·Granted Jun 27, 1995·27 cites·37 claims
- 0681US5136427AOptical system for use with a viewfinderASAHI KOGAKU KK·Filed 1990·Granted Aug 4, 1992·21 cites·25 claims
- 0775US6193370B1Method of manufacturing progressive power spectacle lensesASAHI KOGAKU KK·Filed 1999·Granted Feb 27, 2001·42 cites·20 claims
- 0873US5329935ASheathed endoscope and sheath thereforASAHI KOGAKU KK·Filed 1993·Granted Jul 19, 1994·146 cites·5 claims
- 0969US5363165APower zoom lens and camera systemASAHI KOGAKU KK·Filed 1992·Granted Nov 8, 1994·8 cites·32 claims
- 1069US4240700AWide angle zoom lens having a high variation ratioASAHI KOGAKU KK·Filed 1978·Granted Dec 23, 1980·22 cites·12 claims
- 1164US5305068AContinuous paper feed prevention lock mechanism for printerASAHI KOGAKU KK·Filed 1992·Granted Apr 19, 1994·19 cites·93 claims
- 1263US5223877ACamera systemASAHI KOGAKU KK·Filed 1991·Granted Jun 29, 1993·21 cites·20 claims
- 1360US5240659AProcess for producing shaped article of oriented calcium phosphate type compoundASAHI KOGAKU KK·Filed 1992·Granted Aug 31, 1993·14 cites·16 claims
- 1456US5526138AStill video device in which image signals corresponding to one frame can be divided and recorded on a plurality of tracksASAHI KOGAKU KK·Filed 1994·Granted Jun 11, 1996·16 cites·21 claims
- 1555US5327183ACamera having flashASAHI KOGAKU KK·Filed 1992·Granted Jul 5, 1994·7 cites·6 claims
- 1654US5170294AMethod of controlling the zoom lens assemblyASAHI KOGAKU KK·Filed 1989·Granted Dec 8, 1992·15 cites·10 claims
- 1746US5442481AFinder optical system in cameraASAHI KOGAKU KK·Filed 1993·Granted Aug 15, 1995·11 cites·5 claims
- 1841US5492593AParts feederASAHI KOGAKU KK·Filed 1994·Granted Feb 20, 1996·12 cites·13 claims
- 1938US5046351AMold for forming a groove in a tubeASAHI KOGAKU KK·Filed 1990·Granted Sep 10, 1991·6 cites·8 claims
- 2038US5005087ASignal processing device for automatic-focusing video signal in electronically controlled photographic cameraASAHI KOGAKU KK·Filed 1989·Granted Apr 2, 1991·5 cites·15 claims
- 2137US5371630AZoom lens systemASAHI KOGAKU KK·Filed 1992·Granted Dec 6, 1994·7 cites·11 claims
- 2237US4793698ATelephoto lens systemASAHI KOGAKU KK·Filed 1987·Granted Dec 27, 1988·6 cites·9 claims
- 2336US5191369APhotographing light quantity controller for endoscopeASAHI KOGAKU KK·Filed 1991·Granted Mar 2, 1993·6 cites·14 claims
- 2436US4829332AFocus detecting optical systemASAHI KOGAKU KK·Filed 1988·Granted May 9, 1989·5 cites·4 claims
- 2533USD404048S35 MM cameraASAHI KOGAKU KK·Filed 1997·Granted Jan 12, 1999·1 cites·1 claims
- 2632US6091903AMacro lens systemASAHI KOGAKU KK·Filed 1998·Granted Jul 18, 2000·3 cites·9 claims
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