P

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 patents
US6378996B1Apr 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 patents

NISHIWAKI TSUTOMU

2 patents

TOSHIBA CERAMICS CO

1 patent

SEIK EPSON CORP

1 patent

YAZAKI SHIRO

1 patent

TSURUNO JIRO

1 patent

SUWA SEIKOSHA KK

1 patent

Showing the top 50 of 56 patents by PatentIndex Score.