Inventor · disambiguated record
Masaaki Imamura
Also filed as: IMAMURA MASAAKI
11 granted patents·2 pending applications·126 citations·filing 1986–2005
91Inventor score
Top patents by PatentIndex Score
13 records- 0178US4844963AMagnetic disk and method of manufacturing sameHITACHI LTD·Filed 1988·Granted Jul 4, 1989·27 cites·36 claims
- 0273US5252418AElectrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophotographic apparatus utilizing the sameHITACHI LTD·Filed 1990·Granted Oct 12, 1993·20 cites·25 claims
- 0369US4762534AMethod of producing magnetic diskHITACHI LTD·Filed 1986·Granted Aug 9, 1988·17 cites·17 claims
- 0467US4842618AMethod of producing magnetic diskHITACHI LTD·Filed 1988·Granted Jun 27, 1989·10 cites·5 claims
- 0554US5028242ALapping member and lapping tapeHITACHI LTD·Filed 1989·Granted Jul 2, 1991·9 cites·11 claims
- 0652USD418812SVoltage stabilizerELNA CO LTD·Filed 1998·Granted Jan 11, 2000·8 cites·1 claims
- 0752US5079062AMagnetic recording medium having a thin film magnetic layer formed over a non-magnetic substrate which has powder grains of the substrate disposed on its surfaceHITACHI LTD·Filed 1989·Granted Jan 7, 1992·8 cites·23 claims
- 0840US2006016085A1Management system for surveying instrument and storage medium used in management system for surveying instrumentTOPCON CORP·Filed 2005·Application pending·0 cites
- 0940US2005274031A1Surveying apparatusTOPCON CORP·Filed 2005·Application pending·0 cites
- 1037US5123933AMethod of producing magnetic diskHITACHI LTD·Filed 1990·Granted Jun 23, 1992·4 cites·10 claims
- 1130US6268663B1Power supply controller for vehicle with function of preventing running down of batteryFURUKAWA ELECTRIC CO LTD·Filed 1998·Granted Jul 31, 2001·10 cites·2 claims
- 1230US5942885APower compensating device for batteryELNA CO LTD·Filed 1998·Granted Aug 24, 1999·11 cites·19 claims
- 1321US6510041B1Electrolytic capacitor unit for audio apparatusELNA KABUSHIKI KAISHA·Filed 1998·Granted Jan 21, 2003·2 cites·5 claims
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