Inventor
KOIZUMI TAKAAKI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI TAKAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
15 patentsUS8042239B2Oct 25, 2011
Piezoelectric/electrostrictive element and method of manufacturing the same
NGK INSULATORS LTD9 citations84
US7576477B2Aug 18, 2009
Piezoelectric/electrostrictive porcelain composition and method of manufacturing the same
NGK INSULATORS LTD17 citations84
US7332851B2Feb 19, 2008
Piezoelectric/electrostrictive film type device and method of manufacturing the same
NGK INSULATORS LTD7 citations74
US6531070B1Mar 11, 2003
Piezoelectric body
NGK INSULATORS LTD10 citations74
US7728493B2Jun 1, 2010
Piezoelectric/electrostrictive material, piezoelectric/electrostrictive body, and piezoelectric/electrostrictive element
NGK INSULATORS LTD4 citations63
US7714480B2May 11, 2010
Piezoelectric/electrostrictive membrane sensor
NGK INSULATORS LTD4 citations63
US7441317B2Oct 28, 2008
Piezoelectric/electrostrictive device and method for manufacturing the same
NGK INSULATORS LTD3 citations63
US6887397B2May 3, 2005
Piezoelectric/electrostrictive material and process for production thereof
NGK INSULATORS LTD5 citations63
US7943192B2May 17, 2011
Piezoelectric/electrostrictive film type element and manufacturing method thereof
NGK INSULATORS LTD0 citations52
US7651655B2Jan 26, 2010
Production methods of dielectric layer and dielectric element, dielectric element, and piezoelectric transformer
NGK INSULATORS LTD1 citations52
US6702952B2Mar 9, 2004
Piezoelectric/electrostrictive material and method for preparing the same
NGK INSULATORS LTD0 citations52
US9553252B2Jan 24, 2017
Piezoelectric/electrostrictive film type element containing lead zirconate titanate and a bismuth compound and method for producing the same
NGK INSULATORS LTD0 citations50
US9412930B2Aug 9, 2016
Laminated body and piezoelectric/electrostrictive element
NGK INSULATORS LTD0 citations50
US7876023B2Jan 25, 2011
Piezoelectric/electrostrictive membrane sensor
NGK INSULATORS LTD0 citations42
US9935253B2Apr 3, 2018
Ceramic device and piezoelectric device
NGK INSULATORS LTD0 citations38
KOIZUMI TAKAAKI
10 patentsUS8237338B2Aug 7, 2012
Ceramic, and piezoelectric/electrostriction element
KOIZUMI TAKAAKI6 citations69
US8479364B2Jul 9, 2013
Piezoelectric/electrostrictive element and method of manufacturing the same
KOIZUMI TAKAAKI2 citations62
US9115031B2Aug 25, 2015
Ceramic, and piezoelectric/electrostriction element
KOIZUMI TAKAAKI2 citations59
US8721913B2May 13, 2014
Lead-based piezoelectric material and production method therefor
KOIZUMI TAKAAKI1 citations51
US8631548B2Jan 21, 2014
Method for producing crystallographically oriented ceramic
KOIZUMI TAKAAKI0 citations51
US8410670B2Apr 2, 2013
Laminate and method of manufacturing the same
KOIZUMI TAKAAKI0 citations51
US8636945B2Jan 28, 2014
Method for producing crystalline particles and method for producing crystallographically oriented ceramic
KOIZUMI TAKAAKI0 citations50
US8501080B2Aug 6, 2013
Method for producing crystallographically oriented ceramic
KOIZUMI TAKAAKI0 citations48
US8410668B2Apr 2, 2013
Crystal oriented ceramic composite body, and piezoelectric/electrostrictive element
KOIZUMI TAKAAKI1 citations48
US8080923B2Dec 20, 2011
Piezoelectric/electrostrictive membrane element
KOIZUMI TAKAAKI0 citations41
AISIN SEIKI
7 patentsUS10288598B2May 14, 2019
Electrostatic capacitance detection device
AISIN SEIKI4 citations72
US10807628B2Oct 20, 2020
Steering apparatus
AISIN SEIKI3 citations70
US10883858B2Jan 5, 2021
Vehicle human detection device
AISIN SEIKI0 citations61
US11030836B2Jun 8, 2021
Door lock system and handle of door for vehicle
AISIN SEIKI0 citations46
US10227797B2Mar 12, 2019
Door handle device for vehicle
AISIN SEIKI0 citations40
US10152839B2Dec 11, 2018
Antenna driving apparatus
AISIN SEIKI0 citations40
US9945160B2Apr 17, 2018
Vehicle door locking system
AISIN SEIKI0 citations40