Inventor
SAWASAKI TATSUO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “SAWASAKI TATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
14 patentsUS6930340B2Aug 16, 2005
Memory cell array including ferroelectric capacitors, method for making the same, and ferroelectric memory device
SEIKO EPSON CORP9 citations74
US7244979B2Jul 17, 2007
Semiconductor memory device and method for manufacturing the same
SEIKO EPSON CORP7 citations73
US11766864B2Sep 26, 2023
Liquid ejecting head, liquid ejecting apparatus, and actuator
SEIKO EPSON CORP2 citations71
US6924155B2Aug 2, 2005
Ferroelectric memory, method of fabricating the same, semiconductor device, and method of fabricating the same
SEIKO EPSON CORP2 citations62
US6884631B2Apr 26, 2005
Method of forming a ferroelectric film by direct annealing of the ferroelectric film using laser or lamp followed by a second annealing through a light transmission and/or absorption film
SEIKO EPSON CORP6 citations62
US6787371B2Sep 7, 2004
Method of forming ferroelectric film, ferroelectric memory, method of manufacturing the same, semiconductor device, and method of manufacturing the same
SEIKO EPSON CORP5 citations62
US12023929B2Jul 2, 2024
Liquid ejecting head, liquid ejecting apparatus, and actuator
SEIKO EPSON CORP0 citations61
US11858270B2Jan 2, 2024
Liquid ejection head, liquid ejection apparatus, piezoelectric device, and method for manufacturing piezoelectric device
SEIKO EPSON CORP0 citations61
US11801678B2Oct 31, 2023
Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and method of manufacturing piezoelectric device
SEIKO EPSON CORP0 citations61
US7553677B2Jun 30, 2009
Method for manufacturing ferroelectric memory
SEIKO EPSON CORP2 citations60
US7547629B2Jun 16, 2009
Ferroelectric capacitor and its manufacturing method and ferroelectric memory device
SEIKO EPSON CORP1 citations52
US12017456B2Jun 25, 2024
Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and method of manufacturing piezoelectric device
SEIKO EPSON CORP0 citations50
US11938731B2Mar 26, 2024
Piezoelectric device and liquid ejecting head
SEIKO EPSON CORP0 citations50
US7425738B2Sep 16, 2008
Metal thin film and method of manufacturing the same, dielectric capacitor and method of manufacturing the same, and semiconductor device
SEIKO EPSON CORP1 citations48