Inventor · disambiguated record
Yukihisa Takeuchi
Also filed as: HORIE KOUJI · TAKEUCHI YUKIHISA
351 granted patents·58 pending applications·8,920 citations·filing 1974–2024
99Inventor score
Top patents by PatentIndex Score
409 records- 0199US4535588ACarbon particulates cleaning device for diesel engineNIPPON SOKEN·Filed 1984·Granted Aug 20, 1985·132 cites·3 claims
- 0298US6690344B1Method and apparatus for driving device and displayNGK INSULATORS LTD·Filed 2000·Granted Feb 10, 2004·235 cites·116 claims
- 0398US4516993ACarbon particulates cleaning deviceNIPPON DENSO CO·Filed 1983·Granted May 14, 1985·141 cites·11 claims
- 0497US5767612APiezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end sectionNGK INSULATORS LTD·Filed 1995·Granted Jun 16, 1998·116 cites·6 claims
- 0597US5475279APiezoelectric/electrostrictive actuator having integral ceramic base member and film-type piezoelectric/electrostrictive element (S)NGK INSULATORS LTD·Filed 1995·Granted Dec 12, 1995·141 cites·12 claims
- 0697US4505726AExhaust gas cleaning deviceNIPPON DENSO CO·Filed 1983·Granted Mar 19, 1985·112 cites·8 claims
- 0797US4448833APorous ceramic body and a method of manufacturing the sameNIPPON DENSO CO·Filed 1982·Granted May 15, 1984·113 cites·9 claims
- 0896US5376857APiezoelectric deviceNGK INSULATORS LTD·Filed 1994·Granted Dec 27, 1994·118 cites·12 claims
- 0996US5210455APiezoelectric/electrostrictive actuator having ceramic substrate having recess defining thin-walled portionNGK INSULATORS LTD·Filed 1991·Granted May 11, 1993·100 cites·11 claims
- 1096US4755493ACeramic composition for dielectric ceramic bodiesNGK INSULATORS LTD·Filed 1986·Granted Jul 5, 1988·79 cites·11 claims
- 1196US4078985AHydrogen generatorNIPPON SOKEN·Filed 1976·Granted Mar 14, 1978·66 cites·34 claims
- 1295US6051171AMethod for controlling firing shrinkage of ceramic green bodyNGK INSULATORS LTD·Filed 1998·Granted Apr 18, 2000·118 cites·3 claims
- 1395US5126615APiezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive filmNGK INSULATORS LTD·Filed 1991·Granted Jun 30, 1992·107 cites·11 claims
- 1494US6457361B1Mass sensor and mass sensing methodNGK INSULATORS LTD·Filed 1999·Granted Oct 1, 2002·84 cites·107 claims
- 1594US6263552B1Method of producing piezoelectric/electrostrictive film-type elementNGK INSULATORS LTD·Filed 2000·Granted Jul 24, 2001·53 cites·9 claims
- 1694US5753160AMethod for controlling firing shrinkage of ceramic green bodyNGK INSULATORS LTD·Filed 1995·Granted May 19, 1998·104 cites·3 claims
- 1794US5691593APiezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive filmNGK INSULATORS LTD·Filed 1995·Granted Nov 25, 1997·85 cites·24 claims
- 1894US5430344APiezoelectric/electrostrictive element having ceramic substrate formed essentially of stabilized zirconiaNGK INSULATORS LTD·Filed 1994·Granted Jul 4, 1995·75 cites·35 claims
- 1994US4450682ACarbon particulates cleaning device for diesel engineNIPPON SOKEN·Filed 1983·Granted May 29, 1984·83 cites·11 claims
- 2094US4335574ACarbon particles removing deviceNIPPON SOKEN·Filed 1981·Granted Jun 22, 1982·82 cites·2 claims
- 2193US7358647B2Piezoelectric/electrostrictive deviceNGK INSULATORS LTD·Filed 2007·Granted Apr 15, 2008·18 cites·5 claims
- 2293US7245064B2Piezoelectric/electrostrictive deviceNGK INSULATORS LTD·Filed 2005·Granted Jul 17, 2007·21 cites·17 claims
- 2393US6455981B1Piezoelectric/electrostrictive device and method of manufacturing sameNGK INSULATORS LTD·Filed 2000·Granted Sep 24, 2002·48 cites·3 claims
- 2493US6049158APiezoelectric/electrostrictive film element having convex diaphragm portions and method of producing the sameNGK INSULATORS LTD·Filed 1995·Granted Apr 11, 2000·76 cites·7 claims
- 2593US5691594APiezoelectric/electrostricitve element having ceramic substrate formed essentially of stabilized zirconiaNGK INSULATORS LTD·Filed 1995·Granted Nov 25, 1997·74 cites·35 claims
- 2692US6534899B1Piezoelectric/electrostrictive device and method of manufacturing sameNGK INSULATORS LTD·Filed 2000·Granted Mar 18, 2003·35 cites·17 claims
- 2792US6333681B1Piezoelectric/electrostrictive deviceNGK INSULATORS LTD·Filed 2000·Granted Dec 25, 2001·65 cites·10 claims
- 2892US5376856APiezoelectric/electrostrictive actuator having ceramic substrate with auxiliary windows in addition to pressure chamber windowsNGK INSULATORS LTD·Filed 1994·Granted Dec 27, 1994·79 cites·13 claims
- 2992US4485622AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Dec 4, 1984·74 cites·9 claims
- 3091US7336021B2Piezoelectric/electrostrictive device and method of manufacturing sameNGK INSULATORS LTD·Filed 2006·Granted Feb 26, 2008·18 cites·2 claims
- 3191US6534898B1Piezoelectric/electrostrictive device having mutually opposing thin plate sectionNGK INSULATORS LTD·Filed 2000·Granted Mar 18, 2003·33 cites·12 claims
- 3291US6476538B2Piezoelectric/electrostrictive device and method of manufacturing sameNGK INSULATORS LTD·Filed 2002·Granted Nov 5, 2002·34 cites·6 claims
- 3391US6249370B1Display deviceNGK INSULATORS LTD·Filed 1999·Granted Jun 19, 2001·101 cites·17 claims
- 3491US5933170AInk jet print headNGK INSULATORS LTD·Filed 1997·Granted Aug 3, 1999·85 cites·18 claims
- 3591US5852337APiezoelectric film-type elementNGK INSULATORS LTD·Filed 1997·Granted Dec 22, 1998·70 cites·14 claims
- 3691US5670999AInk jet print head having members with different coefficients of thermal expansionNGK INSULATORS LTD·Filed 1996·Granted Sep 23, 1997·79 cites·16 claims
- 3791US5600197APiezoelectric/electrostrictive film element and method of producing the sameNGK INSULATORS LTD·Filed 1994·Granted Feb 4, 1997·67 cites·7 claims
- 3890US6864620B2Matrix type actuatorNGK INSULATORS LTD·Filed 2001·Granted Mar 8, 2005·36 cites·14 claims
- 3990US6472799B2Piezoelectric/electrostrictive device and method of manufacturing sameNGK INSULATORS LTD·Filed 2002·Granted Oct 29, 2002·39 cites·8 claims
- 4090US6265811B1Ceramic element, method for producing ceramic element, display device, relay device and capacitorNGK INSULATORS LTD·Filed 1997·Granted Jul 24, 2001·40 cites·21 claims
- 4190US5512793APiezoelectric and/or electrostrictive actuator having dummy cavities within ceramic substrate in addition to pressure chambers, and displacement adjusting layers formed aligned with the dummy cavitiesNGK INSULATORS LTD·Filed 1995·Granted Apr 30, 1996·75 cites·17 claims
- 4290US4551357AProcess of manufacturing ceramic circuit boardNGK INSULATORS LTD·Filed 1984·Granted Nov 5, 1985·46 cites·30 claims
- 4389US6584660B1Method of manufacturing a piezoelectric deviceNGK INSULATORS LTD·Filed 1994·Granted Jul 1, 2003·106 cites·13 claims
- 4489US6443366B1Liquid-drop discharge deviceNGK INSULATORS LTD·Filed 2000·Granted Sep 3, 2002·37 cites·12 claims
- 4589US6290340B1Multi-layer ink jet print head and manufacturing method thereforSEIKO EPSON CORP·Filed 1997·Granted Sep 18, 2001·60 cites·6 claims
- 4689US5940947AMethod of making a piezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end sectionNGK INSULATORS LTD·Filed 1998·Granted Aug 24, 1999·53 cites·6 claims
- 4789US5281888APiezoelectric/electrostrictive element having auxiliary electrode disposed between piezoelectric/electrostrictive layer and substrateNGK INSULATORS LTD·Filed 1993·Granted Jan 25, 1994·57 cites·10 claims
- 4888US6666658B2Microfluidic pump deviceNGK INSULATORS LTD·Filed 2002·Granted Dec 23, 2003·23 cites·2 claims
- 4988US6297578B1Piezoelectric/electrostrictive elementNGK INSULATORS LTD·Filed 2000·Granted Oct 2, 2001·26 cites·2 claims
- 5088US6091182APiezoelectric/electrostrictive elementNGK INSULATORS LTD·Filed 1997·Granted Jul 18, 2000·59 cites·11 claims
Showing the top 50 of 409 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Yukihisa Takeuchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →