Inventor
ASAI KENGO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “ASAI KENGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI MEDIA ELECTRON KK
11 patentsUS7986075B2Jul 26, 2011
Film bulk acoustic wave resonator, its fabrication method and film bulk acoustic wave resonator filter using the resonator
HITACHI MEDIA ELECTRON KK29 citations92
US7554427B2Jun 30, 2009
Thin film bulk acoustic wave resonator and filter, and radio frequency module using them
HITACHI MEDIA ELECTRON KK49 citations92
US7489063B2Feb 10, 2009
Thin film piezoelectric bulk acoustic wave resonator and radio frequency filter using the same
HITACHI MEDIA ELECTRON KK43 citations92
US7242273B2Jul 10, 2007
RF-MEMS switch and its fabrication method
HITACHI MEDIA ELECTRON KK49 citations92
US7221242B2May 22, 2007
Bulk acoustic wave resonator and manufacturing method thereof, filter using the same, semiconductor integrated circuit device using the same, and high frequency module using the same
HITACHI MEDIA ELECTRON KK22 citations92
US5814917ASep 29, 1998
Surface acoustic wave equipment
HITACHI MEDIA ELECTRON KK26 citations92
US7745975B2Jun 29, 2010
Piezoelectric thin film resonator, piezoelectric thin film resonator filter and manufacturing method thereof
HITACHI MEDIA ELECTRON KK12 citations84
US7675387B2Mar 9, 2010
Surface acoustic wave device and communication terminal using the same
HITACHI MEDIA ELECTRON KK11 citations84
US7561010B2Jul 14, 2009
Piezoelectric thin film resonators
HITACHI MEDIA ELECTRON KK19 citations84
US7408287B2Aug 5, 2008
Film bulk acoustic wave resonator, film bulk acoustic wave resonator filter and method of manufacturing film bulk acoustic wave resonator
HITACHI MEDIA ELECTRON KK11 citations84
US7586390B2Sep 8, 2009
Bulk acoustic wave resonator, bulk acoustic wave filter, RF module including bulk acoustic wave resonator and/or filter, and bulk acoustic wave oscillator
HITACHI MEDIA ELECTRON KK6 citations63
HITACHI HIGH TECH CORP
7 patentsUS10304653B2May 28, 2019
Ion milling device, ion source and ion milling method
HITACHI HIGH TECH CORP3 citations72
US12051560B2Jul 30, 2024
Ion gun and ion milling machine
HITACHI HIGH TECH CORP0 citations62
US11158481B2Oct 26, 2021
Ion milling device, ion source, and ion milling method
HITACHI HIGH TECH CORP0 citations62
US10361065B2Jul 23, 2019
Ion milling system
HITACHI HIGH TECH CORP1 citations62
US12020893B2Jun 25, 2024
Ion milling device
HITACHI HIGH TECH CORP0 citations51
US11257654B2Feb 22, 2022
Ion milling apparatus
HITACHI HIGH TECH CORP0 citations51
US10332722B2Jun 25, 2019
Ion milling device and ion milling method
HITACHI HIGH TECH CORP0 citations41
HITACHI LTD
4 patentsUS5604059AFeb 18, 1997
Mask structure having phase shifting pattern suitable for forming fine pattern on photosensitive film and method of manufacturing solid-state devices using such mask structure
HITACHI LTD34 citations89
US7994878B2Aug 9, 2011
Acoustic wave device and high-frequency filter using the same
HITACHI LTD9 citations84
US7940145B2May 10, 2011
Thin film piezoelectric vibrator, thin film piezoelectric bulk acoustic wave resonator, and radio-frequency filter using such resonator
HITACHI LTD6 citations74
US7915793B2Mar 29, 2011
Thin film tuning-fork type inflection resonator and electric signal processing element
HITACHI LTD0 citations52
KONICA MINOLTA INC
2 patentsUS9164421B2Oct 20, 2015
Toner bottle, supply unit, and image forming apparatus
KONICA MINOLTA INC2 citations62
US9020375B2Apr 28, 2015
Toner resupply device including a detector plate, a douser, and a fixing plate fixing the detector plate and the douser, and image forming apparatus
KONICA MINOLTA INC1 citations52
ISOBE ATSUSHI
2 patentsUS8164399B2Apr 24, 2012
Thin film piezoelectric vibrator, thin film piezoelectric bulk acoustic wave resonator, and radio-frequency filter using such resonator
ISOBE ATSUSHI4 citations60
US8102102B2Jan 24, 2012
Thin film tuning-fork type inflection resonator and electric signal processing element
ISOBE ATSUSHI0 citations50