Inventor
OHASHI YUMIKO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “OHASHI YUMIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
13 patentsUS5984447ANov 16, 1999
L-shaped inkjet print head in which driving voltage is directly applied to driving electrodes
BROTHER IND LTD56 citations95
US5677717AOct 14, 1997
Ink ejecting device having a multi-layer protective film for electrodes
BROTHER IND LTD59 citations95
US5825386AOct 20, 1998
Piezoelectric ink-jet device and process for manufacturing the same
BROTHER IND LTD38 citations92
US5455818AOct 3, 1995
Optical recording medium
BROTHER IND LTD31 citations92
US5277783AJan 11, 1994
Manufacturing method for orifice plate
BROTHER IND LTD22 citations92
US5089358AFeb 18, 1992
Optical recording medium
BROTHER IND LTD34 citations92
US5594482AJan 14, 1997
Ink jet printer head with ink channel protective film
BROTHER IND LTD11 citations73
US5475407ADec 12, 1995
Ink ejecting printer head
BROTHER IND LTD11 citations73
US5095478AMar 10, 1992
Optical data storage medium having interference and flattening layers each having specific thickness for improved information reading and tracking reliability
BROTHER IND LTD7 citations73
US5554451ASep 10, 1996
Optical data recording medium
BROTHER IND LTD10 citations72
US7845070B2Dec 7, 2010
Manufacturing method of ink jet head
BROTHER IND LTD2 citations62
US5199024AMar 30, 1993
Optical data storage medium having embedded tracking information
BROTHER IND LTD2 citations62
US7086154B2Aug 8, 2006
Process of manufacturing nozzle plate for ink-jet print head
BROTHER IND LTD6 citations61