Inventor
HIROTA TOSHIKAZU
JP53 patents
Patents
50 patentsUS6656432B1Dec 2, 2003
Micropipette and dividedly injectable apparatus
NGK INSULATORS LTD37 citations96
US6365378B1Apr 2, 2002
Method for producing DNA chip
NGK INSULATORS LTD57 citations95
US7341697B2Mar 11, 2008
Reaction cell and operation method thereof
NGK INSULATORS LTD28 citations93
US6925693B2Aug 9, 2005
Method of fabricating a piezoelectric/electrostrictive device
NGK INSULATORS LTD31 citations93
US6814937B1Nov 9, 2004
Dispenser and method for producing DNA chip
NGK INSULATORS LTD27 citations93
US6753144B1Jun 22, 2004
Biochip
NGK INSULATORS LTD23 citations93
US6751832B2Jun 22, 2004
Piezoelectric/electrostrictive device and production method thereof
NGK INSULATORS LTD21 citations93
US6715192B2Apr 6, 2004
Method for manufacturing a piezoelectric/electrostrictive device
NGK INSULATORS LTD25 citations93
US6649343B1Nov 18, 2003
DNA chip and method for producing the same
NGK INSULATORS LTD27 citations93
US6474566B1Nov 5, 2002
Drop discharge device
NGK INSULATORS LTD38 citations93
US6443366B1Sep 3, 2002
Liquid-drop discharge device
NGK INSULATORS LTD37 citations93
US6342751B1Jan 29, 2002
Piezoelectric/electrostrictive device and production method thereof
NGK INSULATORS LTD31 citations93
US6335586B1Jan 1, 2002
Piezoelectric/electrostrictive device and production method thereof
NGK INSULATORS LTD30 citations93
US6329740B1Dec 11, 2001
Piezoelectric/electrostrictive device and production method thereof
NGK INSULATORS LTD30 citations93
US5922946AJul 13, 1999
Particle sensor
NGK INSULATORS LTD25 citations93
US5184344AFeb 2, 1993
Recording head including electrode supporting substrate having thin-walled contact end portion, and substrate-reinforcing layer
NGK INSULATORS LTD34 citations92
US6899283B2May 31, 2005
Liquid droplet ejecting method and a liquid droplet ejection apparatus
NGK INSULATORS LTD19 citations90
US7442502B2Oct 28, 2008
Biochip
NGK INSULATORS LTD9 citations84
US7160512B2Jan 9, 2007
Method for manufacturing biochips
NGK INSULATORS LTD19 citations84
US6875402B2Apr 5, 2005
Micropipette, dispenser and method for producing biochip
NGK INSULATORS LTD14 citations84
US6845759B2Jan 25, 2005
Liquid fuel injection system
NGK INSULATORS LTD16 citations84
US6739520B2May 25, 2004
Liquid injection apparatus
NGK INSULATORS LTD14 citations84
US6554405B1Apr 29, 2003
Liquid-drop discharge device having controlled pressure differential between liquid storage tank and reaction cell
NGK INSULATORS LTD19 citations84
US6465190B1Oct 15, 2002
Method for producing DNA chip
NGK INSULATORS LTD15 citations84
US6360606B2Mar 26, 2002
Piezoelectric sensor device and a method for detecting change in electric constants using the device
NGK INSULATORS LTD14 citations84
US5920007AJul 6, 1999
Particle sensor that distinguishes between particles and bubbles in a fluid
NGK INSULATORS LTD17 citations84
US7200254B2Apr 3, 2007
Probe reactive chip, sample analysis apparatus, and method thereof
NGK INSULATORS LTD14 citations80
US6852545B2Feb 8, 2005
Micropipette and dividedly injectable apparatus
NGK INSULATORS LTD6 citations74
US6776960B2Aug 17, 2004
Method for producing DNA chip
NGK INSULATORS LTD6 citations74
US6752326B2Jun 22, 2004
Liquid droplet ejection apparatus and liquid droplet ejecting method
NGK INSULATORS LTD8 citations74
US6508411B1Jan 21, 2003
Method of driving liquid-drop spraying device
NGK INSULATORS LTD10 citations74
US5987972ANov 23, 1999
Method for detection of solid particles in fluid and particle sensor used in said method
NGK INSULATORS LTD16 citations74
US5969236AOct 19, 1999
Particle sensor
NGK INSULATORS LTD11 citations74
US5747671AMay 5, 1998
Axial flow particle sensor
NGK INSULATORS LTD16 citations74
US5132705AJul 21, 1992
Recording head including electrode supporting substrate having thin-walled contact end portion
NGK INSULATORS LTD7 citations74
US4990934AFeb 5, 1991
Recording head having a heat dissipating electrically insulating layer disposed between recording and return electrodes
NGK INSULATORS LTD8 citations74
US4961078AOct 2, 1990
Thermally recording head using integrated mica as the spacer layer
NGK INSULATORS LTD7 citations74
US7261862B2Aug 28, 2007
Liquid drop emitter
NGK INSULATORS LTD7 citations73
US6875404B2Apr 5, 2005
Micropipette and dispenser
NGK INSULATORS LTD7 citations69
US6702196B2Mar 9, 2004
Circuit for driving liquid drop spraying apparatus
NGK INSULATORS LTD2 citations63
US5666149ASep 9, 1997
End-contact type thermal recording head having heat-generating portion on thin-walled end portion of ceramic substrate
NGK INSULATORS LTD2 citations63
US5459491AOct 17, 1995
Thermal head
NGK INSULATORS LTD2 citations63
US5422661AJun 6, 1995
End-contact type thermal recording head having heat-generating portion on thin-walled end portion of ceramic substrate
NGK INSULATORS LTD4 citations63
US5260717ANov 9, 1993
Recording head having electrically insulating layer having optimum surface waviness and roughness
NGK INSULATORS LTD2 citations63
US5231422AJul 27, 1993
Recording head having two substrates superposed such that electrode supporting surface of one of the substrates faces non-electrode-supporting surface of the other substrate
NGK INSULATORS LTD5 citations63
US5101221AMar 31, 1992
Recording head distal-end substrate having opposed recording electrode array and return circuit electrode sheet
NGK INSULATORS LTD6 citations63
US7667194B2Feb 23, 2010
Method of producing microarray
NGK INSULATORS LTD4 citations62
US6354144B1Mar 12, 2002
Zirconia porcelain
NGK INSULATORS LTD4 citations62
US7588322B2Sep 15, 2009
Liquid drop discharge piezoelectric device
NGK INSULATORS LTD2 citations61
US7407746B2Aug 5, 2008
Biochip and method for producing the same
NGK INSULATORS LTD2 citations61
Showing the top 50 of 53 patents by PatentIndex Score.