Inventor
NANATAKI TSUTOMU
JP224 patents
Patents
50 patentsUS6690344B1Feb 10, 2004
Method and apparatus for driving device and display
NGK INSULATORS LTD235 citations99
US5767612AJun 16, 1998
Piezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end section
NGK INSULATORS LTD116 citations99
US6051171AApr 18, 2000
Method for controlling firing shrinkage of ceramic green body
NGK INSULATORS LTD118 citations98
US5753160AMay 19, 1998
Method for controlling firing shrinkage of ceramic green body
NGK INSULATORS LTD104 citations98
US6534898B1Mar 18, 2003
Piezoelectric/electrostrictive device having mutually opposing thin plate section
NGK INSULATORS LTD33 citations96
US6476538B2Nov 5, 2002
Piezoelectric/electrostrictive device and method of manufacturing same
NGK INSULATORS LTD34 citations96
US6333681B1Dec 25, 2001
Piezoelectric/electrostrictive device
NGK INSULATORS LTD65 citations96
US6263552B1Jul 24, 2001
Method of producing piezoelectric/electrostrictive film-type element
NGK INSULATORS LTD53 citations96
US6091182AJul 18, 2000
Piezoelectric/electrostrictive element
NGK INSULATORS LTD59 citations96
US6049158AApr 11, 2000
Piezoelectric/electrostrictive film element having convex diaphragm portions and method of producing the same
NGK INSULATORS LTD76 citations96
US5997671ADec 7, 1999
Method for producing ceramic diaphragm structure
NGK INSULATORS LTD46 citations96
US5955392ASep 21, 1999
Zirconia ceramic green sheet
NGK INSULATORS LTD65 citations96
US5940947AAug 24, 1999
Method of making a piezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end section
NGK INSULATORS LTD53 citations96
US5862275AJan 19, 1999
Display device
NGK INSULATORS LTD73 citations96
US5733499AMar 31, 1998
Method for producing ceramic substrate
NGK INSULATORS LTD54 citations96
US5600197AFeb 4, 1997
Piezoelectric/electrostrictive film element and method of producing the same
NGK INSULATORS LTD67 citations96
US5350721ASep 27, 1994
Dielectric ceramic composition containing ZNO-B203-SI02 glass, method of preparing the same, and resonator and filter using the dielectric ceramic composition
NGK INSULATORS LTD38 citations96
US5264403ANov 23, 1993
Dielectric ceramic composition containing ZnO-B2 O3 -SiO2 glass
NGK INSULATORS LTD36 citations96
US7321180B2Jan 22, 2008
Piezoelectric/electrostrictive device
NGK INSULATORS LTD13 citations93
US7307383B2Dec 11, 2007
Electron emitter and method of producing the same
NGK INSULATORS LTD25 citations93
US6925693B2Aug 9, 2005
Method of fabricating a piezoelectric/electrostrictive device
NGK INSULATORS LTD31 citations93
US6883215B2Apr 26, 2005
Piezoelectric/electrostrictive device and method of manufacturing same
NGK INSULATORS LTD16 citations93
US6796011B2Sep 28, 2004
Piezoelectric/electrostrictive device and method of manufacturing same
NGK INSULATORS LTD19 citations93
US6715192B2Apr 6, 2004
Method for manufacturing a piezoelectric/electrostrictive device
NGK INSULATORS LTD25 citations93
US6703257B2Mar 9, 2004
Piezoelectric/electrostrictive film type elements and process for producing the same
NGK INSULATORS LTD25 citations93
US6682318B2Jan 27, 2004
Pump
NGK INSULATORS LTD20 citations93
US6666658B2Dec 23, 2003
Microfluidic pump device
NGK INSULATORS LTD23 citations93
US6643902B2Nov 11, 2003
Piezoelectric/electrostrictive device and method of manufacturing same
NGK INSULATORS LTD29 citations93
US6565331B1May 20, 2003
Pump
NGK INSULATORS LTD18 citations93
US6538362B1Mar 25, 2003
Piezoelectric/electrostrictive device and method of manufacturing same
NGK INSULATORS LTD15 citations93
US6498419B1Dec 24, 2002
Piezoelectric/electrostrictive device having mutually opposing end surfaces and method of manufacturing the same
NGK INSULATORS LTD21 citations93
US6483492B1Nov 19, 2002
Display-driving device and display-driving method performing gradation control based on a temporal modulation system
NGK INSULATORS LTD38 citations93
US6472799B2Oct 29, 2002
Piezoelectric/electrostrictive device and method of manufacturing same
NGK INSULATORS LTD39 citations93
US6452583B1Sep 17, 2002
Display-driving device and display-driving method
NGK INSULATORS LTD47 citations93
US6404109B1Jun 11, 2002
Piezoelectric/electrostrictive device having increased strength
NGK INSULATORS LTD33 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
US6323833B1Nov 27, 2001
Optical waveguide display with movable actuators which cause light leakage in waveguide at each display elements to provide gradation in a display image by temporal subfield modulation
NGK INSULATORS LTD30 citations93
US6297578B1Oct 2, 2001
Piezoelectric/electrostrictive element
NGK INSULATORS LTD26 citations93
US6295403B1Sep 25, 2001
Optical waveguide plate for display
NGK INSULATORS LTD24 citations93
US6281868B1Aug 28, 2001
Display
NGK INSULATORS LTD31 citations93
US6226080B1May 1, 2001
Method for detecting defect of transparent body, method for producing transparent body
NGK INSULATORS LTD41 citations93
US6217979B1Apr 17, 2001
Piezoelectric/electrostrictive film element
NGK INSULATORS LTD28 citations93
US6211853B1Apr 3, 2001
Optical waveguide display with voltage-modulated controlled movable actuators which cause light leakage in waveguide at each display element to provide gradation in a display image
NGK INSULATORS LTD35 citations93
US6108880AAug 29, 2000
Method of producing a piezoelectric/electrostrictive film element having convex diaphragm portions
NGK INSULATORS LTD24 citations93
US6088893AJul 18, 2000
Method for producing a piezoelectric/electrostrictive film-type element
NGK INSULATORS LTD24 citations93
US6045642AApr 4, 2000
Method for producing ceramic diaphragm structure
NGK INSULATORS LTD21 citations93
US5853514ADec 29, 1998
Method of producing a piezoelectric/electrostrictive film element
NGK INSULATORS LTD18 citations93
US5814920ASep 29, 1998
Piezoelectric/electrostrictive film-type element and method for producing the same
NGK INSULATORS LTD32 citations93
US5774961AJul 7, 1998
Method of producing piezoelectric/electrostrictive film element
NGK INSULATORS LTD34 citations93
Showing the top 50 of 224 patents by PatentIndex Score.