Inventor · disambiguated record
Hisao Iwanade
Also filed as: IWANADE HISAO
20 granted patents·286 citations·filing 1981–1998
95Inventor score
Files withASAHI OPTICAL CO LTD20
Top patents by PatentIndex Score
20 records- 0188US4436416AMirror scanning control mechanism in variable magnification type copying machineASAHI OPTICAL CO LTD·Filed 1981·Granted Mar 13, 1984·22 cites·12 claims
- 0285US4446526AControl circuit for zooming deviceASAHI OPTICAL CO LTD·Filed 1981·Granted May 1, 1984·47 cites·4 claims
- 0381US4420248AVariable magnification copying deviceASAHI OPTICAL CO LTD·Filed 1981·Granted Dec 13, 1983·15 cites·9 claims
- 0477US4557593AFocus and magnification determining and control device for variable magnification type copying machineASAHI OPTICAL CO LTD·Filed 1984·Granted Dec 10, 1985·31 cites·16 claims
- 0577US4412737APosition detecting device for a zoom lens of a copying machineASAHI OPTICAL CO LTD·Filed 1982·Granted Nov 1, 1983·24 cites·8 claims
- 0669US6014523ATime-sharing drive apparatus for motor of cameraASAHI OPTICAL CO LTD·Filed 1997·Granted Jan 11, 2000·10 cites·23 claims
- 0768US5194970AAutomatic original feeding deviceASAHI OPTICAL CO LTD·Filed 1990·Granted Mar 16, 1993·11 cites·8 claims
- 0865US6055378AMotor-driven auto-focusing systemASAHI OPTICAL CO LTD·Filed 1998·Granted Apr 25, 2000·27 cites·14 claims
- 0956US5966550AAutomatic focusing apparatus in a cameraASAHI OPTICAL CO LTD·Filed 1998·Granted Oct 12, 1999·19 cites·15 claims
- 1055USRE36632EAutomatic original feeding deviceASAHI OPTICAL CO LTD·Filed 1994·Granted Mar 28, 2000·6 cites·9 claims
- 1151US6122112ALens position adjusting method for zoom lensASAHI OPTICAL CO LTD·Filed 1998·Granted Sep 19, 2000·16 cites·34 claims
- 1248US6040677AApparatus for driving stepper motor of cameraASAHI OPTICAL CO LTD·Filed 1998·Granted Mar 21, 2000·13 cites·13 claims
- 1347US5886830ADrive apparatus for zoom lens barrelASAHI OPTICAL CO LTD·Filed 1997·Granted Mar 23, 1999·13 cites·6 claims
- 1439US4868835AEnergy modulatable laser unitASAHI OPTICAL CO LTD·Filed 1988·Granted Sep 19, 1989·5 cites·20 claims
- 1538US6051949AApparatus for driving stepping motor of cameraASAHI OPTICAL CO LTD·Filed 1998·Granted Apr 18, 2000·6 cites·16 claims
- 1637US5926324AMotor driven diaphragm apparatus for lens barrelASAHI OPTICAL CO LTD·Filed 1997·Granted Jul 20, 1999·6 cites·4 claims
- 1735US5940223ADrive apparatus for zoom lens barrelASAHI OPTICAL CO LTD·Filed 1997·Granted Aug 17, 1999·5 cites·4 claims
- 1834US5860031AZoom electronic cameraASAHI OPTICAL CO LTD·Filed 1997·Granted Jan 12, 1999·4 cites·7 claims
- 1933US5930053ADrive apparatus for zoom lens barrelASAHI OPTICAL CO LTD·Filed 1997·Granted Jul 27, 1999·3 cites·7 claims
- 2033US5886831ADrive apparatus for zoom lens barrelASAHI OPTICAL CO LTD·Filed 1997·Granted Mar 23, 1999·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →