Inventor
NISHIWAKI TSUTOMU
JP56 patents
⚠️ This page may combine multiple inventors who share the name “NISHIWAKI TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
41 patentsUS6378996B1Apr 30, 2002
Ink-jet recording head and ink-jet recording apparatus
SEIKO EPSON CORP110 citations98
US5754205AMay 19, 1998
Ink jet recording head with pressure chambers arranged along a 112 lattice orientation in a single-crystal silicon substrate
SEIKO EPSON CORP111 citations98
US6502930B1Jan 7, 2003
Ink jet recording head, method for manufacturing the same, and ink jet recorder
SEIKO EPSON CORP71 citations96
US6103072AAug 15, 2000
Piezoelectric thin-film device, process for manufacturing the same, and ink-jet recording head using the same
SEIKO EPSON CORP57 citations96
US6013970AJan 11, 2000
Piezoelectric thin-film device process for manufacturing the same, and ink-jet recording head using the same
SEIKO EPSON CORP66 citations96
US5922218AJul 13, 1999
Method of producing ink jet recording head
SEIKO EPSON CORP49 citations96
US8359931B2Jan 29, 2013
Shear force detection device, tactile sensor and grasping apparatus
SEIKO EPSON CORP16 citations93
US6332254B1Dec 25, 2001
Process for producing a laminated ink-jet recording head
SEIKO EPSON CORP23 citations93
US6332672B1Dec 25, 2001
Ink jet recording head including a cap member sealing piezoelectric vibrators
SEIKO EPSON CORP35 citations93
US6284434B1Sep 4, 2001
Piezoelectric thin film element fabrication method
SEIKO EPSON CORP20 citations93
US6193360B1Feb 27, 2001
Ink-jet recording head
SEIKO EPSON CORP39 citations93
US6158847ADec 12, 2000
Laminated ink-jet recording head, a process for production thereof and a printer equipped with the recording head
SEIKO EPSON CORP29 citations93
US6051914AApr 18, 2000
Piezoelectric device, actuator using the same, and ink-jet recording head
SEIKO EPSON CORP20 citations93
US6419848B1Jul 16, 2002
Piezoelectric actuator, ink-jet type recording head, manufacturing method therefor, and ink-jet printer
SEIKO EPSON CORP31 citations92
US6419849B1Jul 16, 2002
Method for manufacturing piezoelectric material
SEIKO EPSON CORP37 citations92
US6411017B1Jun 25, 2002
Piezoelectric device, ink jet recording head, and methods of manufacturing said device and head
SEIKO EPSON CORP33 citations92
US6281617B1Aug 28, 2001
Piezoelectric luminous element, display device and method for manufacturing same
SEIKO EPSON CORP23 citations92
US6147438ANov 14, 2000
Piezoelectric film element and manufacturing method thereof, and ink jet recording head
SEIKO EPSON CORP24 citations92
US6019458AFeb 1, 2000
Ink-jet printing head for improving resolution and decreasing crosstalk
SEIKO EPSON CORP33 citations92
US7559631B2Jul 14, 2009
Liquid-jet head, method for manufacturing the same, and liquid-jet apparatus
SEIKO EPSON CORP27 citations91
US5363131ANov 8, 1994
Ink jet recording head
SEIKO EPSON CORP27 citations91
US6402304B1Jun 11, 2002
Piezoelectric actuator, ink jet printing head, printer, method for manufacturing piezoelectric actuator, and method for manufacturing ink jet printing head
SEIKO EPSON CORP27 citations90
US9851266B2Dec 26, 2017
Stress-detecting element, sensor module, and electronic apparatus
SEIKO EPSON CORP16 citations84
US9197331B2Nov 24, 2015
Ultrasonic transducer device, probe, electronic instrument, and ultrasonic diagnostic device
SEIKO EPSON CORP6 citations84
US8640551B2Feb 4, 2014
Shear force detection device, tactile sensor and grasping apparatus
SEIKO EPSON CORP7 citations84
US4684960AAug 4, 1987
Thermoelectric printing apparatus
SEIKO EPSON CORP23 citations82
US7003857B1Feb 28, 2006
Method of producing an ink-jet printing head
SEIKO EPSON CORP7 citations74
US6571446B2Jun 3, 2003
Method for manufacturing piezoelectric luminous element
SEIKO EPSON CORP11 citations74
US6551652B2Apr 22, 2003
Process for producing a piezoelectric element using a first SOL and a second SOL having a lead content greater than the first SOL
SEIKO EPSON CORP8 citations74
US6455106B1Sep 24, 2002
Method of forming oxide-ceramics film
SEIKO EPSON CORP11 citations74
US6250753B1Jun 26, 2001
Ink-jet recording head
SEIKO EPSON CORP12 citations74
US6126279AOct 3, 2000
Ink jet printing head for improving resolution and decreasing crosstalk
SEIKO EPSON CORP6 citations74
US5179394AJan 12, 1993
Nozzleless ink jet printer having plate-shaped propagation element
SEIKO EPSON CORP6 citations72
US11123988B2Sep 21, 2021
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations63
US7514854B2Apr 7, 2009
Piezoelectric element, liquid-jet head using piezoelectric element and liquid-jet apparatus
SEIKO EPSON CORP2 citations63
US6836940B2Jan 4, 2005
Process for producing a laminated ink-jet recording head
SEIKO EPSON CORP2 citations63
US6803702B2Oct 12, 2004
Piezoelectric element and method of manufacturing same
SEIKO EPSON CORP2 citations63
US7725996B2Jun 1, 2010
Method for producing actuator device
SEIKO EPSON CORP4 citations62
US6883902B2Apr 26, 2005
Piezoelectric liquid-jet head having a superconductor layer
SEIKO EPSON CORP3 citations61
US11104144B2Aug 31, 2021
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US10611150B2Apr 7, 2020
Liquid discharge head, liquid discharge apparatus, piezoelectric device, and ultrasonic sensor
SEIKO EPSON CORP0 citations52
NAKAMURA TOMOAKI
2 patentsUS8826748B2Sep 9, 2014
Stress-detecting element, sensor module, and electronic apparatus
NAKAMURA TOMOAKI8 citations84
US8536763B2Sep 17, 2013
Ultrasonic transducer, ultrasonic sensor, method of manufacturing ultrasonic transducer, and method of manufacturing ultrasonic sensor
NAKAMURA TOMOAKI7 citations84
NISHIWAKI TSUTOMU
2 patentsTOSHIBA CERAMICS CO
1 patentSEIK EPSON CORP
1 patentYAZAKI SHIRO
1 patentTSURUNO JIRO
1 patentSUWA SEIKOSHA KK
1 patentShowing the top 50 of 56 patents by PatentIndex Score.