Inventor
TSUKAMOTO RYUJI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “TSUKAMOTO RYUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TSUKAMOTO RYUJI
9 patentsUS8252365B2Aug 28, 2012
Method of manufacturing piezoelectric element and method of manufacturing liquid ejection head
TSUKAMOTO RYUJI6 citations71
US8613489B2Dec 24, 2013
Inkjet ejection apparatus, inkjet ejection method, and inkjet recording apparatus
TSUKAMOTO RYUJI4 citations61
US8277008B2Oct 2, 2012
Method and apparatus for driving inkjet head
TSUKAMOTO RYUJI5 citations61
US8177336B2May 15, 2012
Method of driving piezoelectric actuator and method of driving liquid ejection head
TSUKAMOTO RYUJI2 citations61
US8119192B2Feb 21, 2012
Method of manufacturing piezoelectric element and method of manufacturing liquid ejection head
TSUKAMOTO RYUJI2 citations61
US8474116B2Jul 2, 2013
Method of manufacturing piezoelectric element and method of manufacturing liquid ejection head
TSUKAMOTO RYUJI1 citations50
US8266773B2Sep 18, 2012
Method of manufacturing a piezoelectric actuator
TSUKAMOTO RYUJI0 citations50
US10675865B2Jun 9, 2020
Liquid discharge apparatus
TSUKAMOTO RYUJI0 citations40
US10029465B2Jul 24, 2018
Liquid discharge head, liquid discharge device, and liquid discharge apparatus
TSUKAMOTO RYUJI0 citations40
FUJIFILM CORP
9 patentsUS7772747B2Aug 10, 2010
Process for producing a piezoelectric film, film forming apparatus, and piezoelectric film
FUJIFILM CORP2 citations62
US8801128B2Aug 12, 2014
Device and method for driving liquid discharge head, liquid discharge apparatus, and ink-jet apparatus
FUJIFILM CORP3 citations61
US7887163B2Feb 15, 2011
Piezoelectric actuator, liquid ejection head, image forming apparatus, and method of manufacturing piezoelectric actuator
FUJIFILM CORP5 citations61
US7765659B2Aug 3, 2010
Method of manufacturing a liquid ejection head
FUJIFILM CORP2 citations61
US7439659B2Oct 21, 2008
Piezoelectric actuator, droplet ejection apparatus, and manufacturing method thereof
FUJIFILM CORP3 citations61
US8382257B2Feb 26, 2013
Piezoelectric actuator, method of manufacturing piezoelectric actuator, liquid ejection head, method of manufacturing liquid ejection head and image forming apparatus
FUJIFILM CORP0 citations51
US8955952B2Feb 17, 2015
Ink circulation apparatus, ink circulation method and inkjet recording apparatus
FUJIFILM CORP0 citations40
US8955949B2Feb 17, 2015
Ink circulation apparatus, ink circulation method and inkjet recording apparatus
FUJIFILM CORP0 citations40
US7963637B2Jun 21, 2011
Method of driving piezoelectric actuator and liquid ejection apparatus
FUJIFILM CORP0 citations40