Inventor
OKAWA YASUO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “OKAWA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
10 patentsUS5912526AJun 15, 1999
Layered-type piezoelectric element and method for producing the layered-type piezoelectric element
BROTHER IND LTD60 citations96
US5639508AJun 17, 1997
Method for producing a layered piezoelectric element
BROTHER IND LTD61 citations96
US5406164AApr 11, 1995
Multilayer piezoelectric element
BROTHER IND LTD72 citations95
US5860202AJan 19, 1999
Method for producing a layered piezoelectric element
BROTHER IND LTD42 citations92
US5459371AOct 17, 1995
Multilayer piezoelectric element
BROTHER IND LTD32 citations91
US7513041B2Apr 7, 2009
Method for producing a nozzle plate
BROTHER IND LTD9 citations84
US7823288B2Nov 2, 2010
Method of producing nozzle plate and said nozzle plate
BROTHER IND LTD3 citations62
US7802876B2Sep 28, 2010
Actuator unit and manufacturing method thereof, and liquid ejection head
BROTHER IND LTD2 citations62
US7401897B2Jul 22, 2008
Inkjet head
BROTHER IND LTD3 citations62
US7426783B2Sep 23, 2008
Method of manufacturing an ink jet head
BROTHER IND LTD0 citations52