Inventor
ITO YASUYUKI
JP62 patents
⚠️ This page may combine multiple inventors who share the name “ITO YASUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
6 patentsUS5187409AFeb 16, 1993
Gyrotron having a quasi-optical mode converter
TOSHIBA KK226 citations99
US4641031AFeb 3, 1987
Ion source apparatus
TOSHIBA KK25 citations92
US8384351B2Feb 26, 2013
Battery system using battery unit in which battery arms are connected in parallel
TOSHIBA KK14 citations83
US8036779B2Oct 11, 2011
Air-conditioning system controller
TOSHIBA KK13 citations81
US4839561AJun 13, 1989
Gyrotron device
TOSHIBA KK13 citations74
US4636688AJan 13, 1987
Gyrotron device
TOSHIBA KK19 citations74
SHARP KK
5 patentsUS5998819ADec 7, 1999
Thin ferroelectric film element having a multi-layered thin ferroelectric film and method for manufacturing the same
SHARP KK50 citations96
US5515984AMay 14, 1996
Method for etching PT film
SHARP KK70 citations96
US5851841ADec 22, 1998
Method for producing ferroelectric film element, and ferroelectric film element and ferroelectric memory element produced by the method
SHARP KK30 citations92
US5831299ANov 3, 1998
Thin ferroelectric film element having a multi-layered thin ferroelectric film and method for manufacturing the same
SHARP KK35 citations92
US5315402AMay 24, 1994
Video signal recording/reproducing system for increasing recording density of a frequency modulated signal
SHARP KK14 citations71
PANASONIC IP MAN CO LTD
5 patentsUS11621424B2Apr 4, 2023
Electrochemical device and method for manufacturing electrochemical device
PANASONIC IP MAN CO LTD0 citations62
US12431487B2Sep 30, 2025
Negative electrode for electrochemical device, and electrochemical device
PANASONIC IP MAN CO LTD0 citations61
US11063324B2Jul 13, 2021
Positive electrode with lead member for electrochemical devices, method for producing same and electrochemical device
PANASONIC IP MAN CO LTD0 citations61
US10923296B2Feb 16, 2021
Method for manufacturing positive electrode including conductive polymer layer selectively formed on surface of carbon layer disposed on current collector for power storage device, and method for manufacturing power storage device
PANASONIC IP MAN CO LTD0 citations57
US9620299B2Apr 11, 2017
Capacitor
PANASONIC IP MAN CO LTD0 citations52
SONY CORP
4 patentsUS6407422B1Jun 18, 2002
Oxygen diffusion blocking semiconductor capacitor
SONY CORP86 citations96
US6819581B2Nov 16, 2004
Ferroelectric nonvolatile semiconductor memory
SONY CORP26 citations93
US6700146B2Mar 2, 2004
Semiconductor memory device and method for producing the same
SONY CORP25 citations93
US7212081B2May 1, 2007
Micromachine and method of producing the same
SONY CORP4 citations63
HITACHI CABLE
4 patentsUS7108923B1Sep 19, 2006
Copper foil for printed circuit board with taking environmental conservation into consideration
HITACHI CABLE11 citations82
US7789977B2Sep 7, 2010
Rolled copper foil and manufacturing method thereof
HITACHI CABLE4 citations61
US7344785B2Mar 18, 2008
Copper foil for printed circuit board, method for fabricating same, and trivalent chromium conversion treatment solution used for fabricating same
HITACHI CABLE4 citations61
US7842397B2Nov 30, 2010
Nickel plating solution and its preparation method, nickel plating method and printed wiring board copper foil
HITACHI CABLE6 citations58
HITACHI LTD
3 patentsUS6697976B1Feb 24, 2004
Performance evaluation method, performance evaluation system, and information storage apparatus using same
HITACHI LTD32 citations93
US7039141B2May 2, 2006
Data synchronization detection device, information recording device, information reproduction device, information recording format, signal processing device, information recording and reproducing device, and information recording medium
HITACHI LTD2 citations63
US6972917B2Dec 6, 2005
Signal processing technique for preventing delay in read time from retry operations
HITACHI LTD4 citations63
CLARION CO LTD
3 patentsTACHI S CO
3 patentsPANASONIC CORP
2 patentsDENSO CORP
2 patentsCKD CORP
2 patentsSANYO CHEMICAL IND LTD
2 patentsUS7858242B2Dec 28, 2010
Electrolytic solution for an electrochemical capacitor and an electrochemical capacitor using the same
SANYO CHEMICAL IND LTD5 citations61
US8007680B2Aug 30, 2011
Electrolyte solution for electrochemical device and electrochemical device using same
SANYO CHEMICAL IND LTD3 citations59
HITACHI VIDEO & INF SYST
1 patentSUZUKI MASAMI
1 patentMUROGA TAKEMI
1 patentALPS ELECTRONIC CO LTD
1 patentTOKYO SHIBAURA ELECTRIC CO
1 patentHITACHI GLOBAL STORAGE TECH
1 patentASHIZAKI MASASHIGE
1 patentSATO MASAYUKI
1 patentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
1 patentShowing the top 50 of 62 patents by PatentIndex Score.