Inventor
IIZAWA KEIGO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “IIZAWA KEIGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
15 patentsUS9079413B2Jul 14, 2015
Liquid conatiner, liquid consuming apparatus, liquid supply system and liquid container unit
SEIKO EPSON CORP25 citations92
US8905504B2Dec 9, 2014
Liquid accommodation member, liquid accommodation member unit and liquid consumption device
SEIKO EPSON CORP23 citations92
US7352104B2Apr 1, 2008
Surface acoustic wave element, method of manufacturing the same and surface acoustic wave device
SEIKO EPSON CORP26 citations92
US6856218B2Feb 15, 2005
Surface acoustic wave device and communications apparatus using the same
SEIKO EPSON CORP28 citations92
US6784595B2Aug 31, 2004
Method for adjusting the temperature-dependent property of a surface acoustic wave device and a surface acoustic device
SEIKO EPSON CORP20 citations92
US10112399B2Oct 30, 2018
Liquid container, liquid consuming apparatus, liquid supply system and liquid container unit
SEIKO EPSON CORP8 citations83
US9290001B2Mar 22, 2016
Liquid container, liquid consuming apparatus, liquid supply system and liquid container unit
SEIKO EPSON CORP9 citations83
US6774747B2Aug 10, 2004
Surface acoustic wave device
SEIKO EPSON CORP18 citations83
US9855761B2Jan 2, 2018
Ink tank unit, ink jet printer, and ink tank
SEIKO EPSON CORP5 citations82
US6946932B2Sep 20, 2005
Surface acoustic wave resonator with an interdigital transducer divided into regions having a different fixed pitch
SEIKO EPSON CORP10 citations73
US9487012B2Nov 8, 2016
Ink tank unit, ink jet printer, and ink tank
SEIKO EPSON CORP3 citations71
US12447765B2Oct 21, 2025
Liquid ejector
SEIKO EPSON CORP0 citations60
US8791621B2Jul 29, 2014
Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus
SEIKO EPSON CORP3 citations60
US9994033B2Jun 12, 2018
Liquid supply device and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US12208630B2Jan 28, 2025
Recording device
SEIKO EPSON CORP0 citations49
IIZAWA KEIGO
3 patentsUS8084918B2Dec 27, 2011
Surface acoustic wave device and surface acoustic wave oscillator
IIZAWA KEIGO19 citations91
US8063534B2Nov 22, 2011
Surface acoustic wave device and surface acoustic wave oscillator
IIZAWA KEIGO20 citations91
US8237326B2Aug 7, 2012
Surface acoustic wave device and surface acoustic wave oscillator
IIZAWA KEIGO13 citations83