Inventor · disambiguated record
Hirofumi Miyanaga
Also filed as: MIYANAGA HIROFUMI
12 granted patents·1,326 citations·filing 1988–2002
95Inventor score
Files withOLYMPUS OPTICAL CO12
Top patents by PatentIndex Score
12 records- 0197US5150234AImaging apparatus having electrooptic devices comprising a variable focal length lensOLYMPUS OPTICAL CO·Filed 1991·Granted Sep 22, 1992·294 cites·14 claims
- 0294US5090259APipe-inspecting apparatus having a self propelled unitOLYMPUS OPTICAL CO·Filed 1990·Granted Feb 25, 1992·147 cites·56 claims
- 0393US5047847AEndoscope using liquid crystal devices different in the response frequency in the image forming optical systemOLYMPUS OPTICAL CO·Filed 1989·Granted Sep 10, 1991·118 cites·20 claims
- 0491US5071229AImaging apparatus having electrooptic devices which comprise a variable focal length lensOLYMPUS OPTICAL CO·Filed 1989·Granted Dec 10, 1991·85 cites·15 claims
- 0583US5097352AOptical system including liquid crystal devicesOLYMPUS OPTICAL CO·Filed 1989·Granted Mar 17, 1992·52 cites·12 claims
- 0683US4860732AEndoscope apparatus provided with endoscope insertion aidOLYMPUS OPTICAL CO·Filed 1988·Granted Aug 29, 1989·200 cites·17 claims
- 0782US5144848AIntra-tube traveling apparatusOLYMPUS OPTICAL CO·Filed 1990·Granted Sep 8, 1992·72 cites·24 claims
- 0873US6656112B2Distal endoscope part having light emitting source such as light emitting diodes as illuminating meansOLYMPUS OPTICAL CO·Filed 2002·Granted Dec 2, 2003·53 cites·9 claims
- 0970US5179934AEndoscopeOLYMPUS OPTICAL CO·Filed 1991·Granted Jan 19, 1993·139 cites·35 claims
- 1057US6361491B1Optical adaptor for highy precision endoscopeOLYMPUS OPTICAL CO·Filed 1999·Granted Mar 26, 2002·79 cites·16 claims
- 1155US5150702AIris diaphragm device and endoscope having the sameOLYMPUS OPTICAL CO·Filed 1991·Granted Sep 29, 1992·66 cites·27 claims
- 1238US6488619B1Distal endoscope part having light emitting source such as light emitting diodes as illuminating meansOLYMPUS OPTICAL CO·Filed 1999·Granted Dec 3, 2002·21 cites·10 claims
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