Inventor · disambiguated record
Yumiko Ohashi
Also filed as: OHASHI YUMIKO
17 granted patents·343 citations·filing 1989–2006
95Inventor score
Top patents by PatentIndex Score
17 records- 0187US5089358AOptical recording mediumBROTHER IND LTD·Filed 1989·Granted Feb 18, 1992·34 cites·48 claims
- 0286US5677717AInk ejecting device having a multi-layer protective film for electrodesBROTHER IND LTD·Filed 1994·Granted Oct 14, 1997·59 cites·8 claims
- 0385US5984447AL-shaped inkjet print head in which driving voltage is directly applied to driving electrodesBROTHER IND LTD·Filed 1996·Granted Nov 16, 1999·56 cites·15 claims
- 0481US5455818AOptical recording mediumBROTHER IND LTD·Filed 1993·Granted Oct 3, 1995·31 cites·16 claims
- 0578US5825386APiezoelectric ink-jet device and process for manufacturing the sameBROTHER IND LTD·Filed 1996·Granted Oct 20, 1998·38 cites·18 claims
- 0678US5554418AMethod of forming passivation filmULVAC CORP·Filed 1994·Granted Sep 10, 1996·41 cites·6 claims
- 0774US5277783AManufacturing method for orifice plateBROTHER IND LTD·Filed 1992·Granted Jan 11, 1994·22 cites·12 claims
- 0864US7845070B2Manufacturing method of ink jet headBROTHER IND LTD·Filed 2006·Granted Dec 7, 2010·2 cites·14 claims
- 0959USD317931SElectronic musical keyboardCASIO COMPUTER CO LTD·Filed 1989·Granted Jul 2, 1991·8 cites·1 claims
- 1055US7086154B2Process of manufacturing nozzle plate for ink-jet print headBROTHER IND LTD·Filed 2003·Granted Aug 8, 2006·6 cites·13 claims
- 1154US5554451AOptical data recording mediumBROTHER IND LTD·Filed 1992·Granted Sep 10, 1996·10 cites·33 claims
- 1253US5594482AInk jet printer head with ink channel protective filmBROTHER IND LTD·Filed 1993·Granted Jan 14, 1997·11 cites·12 claims
- 1353US5475407AInk ejecting printer headBROTHER IND LTD·Filed 1994·Granted Dec 12, 1995·11 cites·11 claims
- 1447US5095478AOptical data storage medium having interference and flattening layers each having specific thickness for improved information reading and tracking reliabilityBROTHER IND LTD·Filed 1990·Granted Mar 10, 1992·7 cites·9 claims
- 1538USD318482SElectronic music keyboardCASIO COMPUTER CO LTD·Filed 1989·Granted Jul 23, 1991·2 cites·1 claims
- 1632US5840374AMethod of forming a SiO2 passivation film on a plastic substrateULVAC CORP·Filed 1996·Granted Nov 24, 1998·3 cites·6 claims
- 1731US5199024AOptical data storage medium having embedded tracking informationBROTHER IND LTD·Filed 1990·Granted Mar 30, 1993·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →