Inventor · disambiguated record
Yoichi Umezawa
Also filed as: UMEZAWA YOICHI
5 granted patents·41 citations·filing 1990–1995
76Inventor score
Technology areasB41J
Files withOKI ELECTRIC IND CO LTD5
Top patents by PatentIndex Score
5 records- 0165US5474391APrint gap setting in an impact printerOKI ELECTRIC IND CO LTD·Filed 1993·Granted Dec 12, 1995·22 cites·20 claims
- 0254US5439302ASelf-adjusting controller for dot impact printerOKI ELECTRIC IND CO LTD·Filed 1993·Granted Aug 8, 1995·13 cites·13 claims
- 0333US5290113AWire dot printing headOKI ELECTRIC IND CO LTD·Filed 1990·Granted Mar 1, 1994·4 cites·6 claims
- 0430US5651621AWire dot print head with print wires fixed to tip portions of armatures differentiated in resiliencyOKI ELECTRIC IND CO LTD·Filed 1995·Granted Jul 29, 1997·2 cites·6 claims
- 0529US5137380AWire-dot print headOKI ELECTRIC IND CO LTD·Filed 1990·Granted Aug 11, 1992·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →