Inventor · disambiguated record
Yasufumi Yatsuzuka
Also filed as: YATSUZUKA YASUFUMI
4 granted patents·33 citations·filing 1987–1995
74Inventor score
Files withSHARP KK4
Top patents by PatentIndex Score
4 records- 0149US4901163AImage reader for a portable copierSHARP KK·Filed 1987·Granted Feb 13, 1990·11 cites·7 claims
- 0238US5266750ATablet input deviceSHARP KK·Filed 1992·Granted Nov 30, 1993·14 cites·4 claims
- 0331US5596758AMemory protecting device for use in compact electronic apparatus equipped with an external power supplySHARP KK·Filed 1995·Granted Jan 21, 1997·5 cites·3 claims
- 0429US5003193AScan control circuit for hand-held type printerSHARP KK·Filed 1989·Granted Mar 26, 1991·3 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →