Inventor · disambiguated record
Yasushi Ema
Also filed as: EMA YASUSHI
11 granted patents·234 citations·filing 1986–1997
92Inventor score
Top patents by PatentIndex Score
11 records- 0185US5552813AInk jet head with nozzle arrangement to reduce viscous dragROHM CO LTD·Filed 1993·Granted Sep 3, 1996·46 cites·16 claims
- 0284US5777637ANozzle arrangement structure in ink jet print headROHM CO LTD·Filed 1995·Granted Jul 7, 1998·46 cites·7 claims
- 0379US5637126AInk jet printing headROHM CO LTD·Filed 1995·Granted Jun 10, 1997·35 cites·11 claims
- 0464US4734631AStep motor controlSILVER SEIKO·Filed 1986·Granted Mar 29, 1988·20 cites·20 claims
- 0563US4734632ADriving device for a stepping motorSILVER SEIKO·Filed 1986·Granted Mar 29, 1988·19 cites·15 claims
- 0661US5541630AInkjet print head and inkjet printerROHM CO LTD·Filed 1993·Granted Jul 30, 1996·17 cites·38 claims
- 0759US5309181APressing clip for flexible memberROHM CO LTD·Filed 1992·Granted May 3, 1994·23 cites·6 claims
- 0851US6074038AInk jet printer and ink jet print head thereofROHM CO LTD·Filed 1995·Granted Jun 13, 2000·10 cites·31 claims
- 0949US5988800AInk jet printing head and apparatus incorporating the sameROHM CO LTD·Filed 1992·Granted Nov 23, 1999·8 cites·20 claims
- 1040US6338550B1Inkjet printing head with oval flexible cable configured to be received within oval hollow portionROHM CO LTD·Filed 1997·Granted Jan 15, 2002·6 cites·20 claims
- 1140US5220353AThermal print headROHM CO LTD·Filed 1991·Granted Jun 15, 1993·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →