Inventor · disambiguated record
Sunao Hatanaka
Also filed as: HATANAKA SUNAO
7 granted patents·84 citations·filing 1987–1990
84Inventor score
Files withALPS ELECTRIC CO LTD7
Top patents by PatentIndex Score
7 records- 0167US5209448AFlat display holding mechanismALPS ELECTRIC CO LTD·Filed 1990·Granted May 11, 1993·52 cites·4 claims
- 0257US5010365AElectrophotographic apparatus having positioning mechanism for detachable process cartridgeALPS ELECTRIC CO LTD·Filed 1989·Granted Apr 23, 1991·11 cites·3 claims
- 0343US4903047AElectrophotographic printerALPS ELECTRIC CO LTD·Filed 1989·Granted Feb 20, 1990·6 cites·5 claims
- 0441US4806972APrinterALPS ELECTRIC CO LTD·Filed 1987·Granted Feb 21, 1989·5 cites·2 claims
- 0536US4785317ADouble-side printerALPS ELECTRIC CO LTD·Filed 1987·Granted Nov 15, 1988·4 cites·5 claims
- 0633US4806969AFixing deviceALPS ELECTRIC CO LTD·Filed 1987·Granted Feb 21, 1989·3 cites·3 claims
- 0733US4768056AImpact printer and copierALPS ELECTRIC CO LTD·Filed 1987·Granted Aug 30, 1988·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →