Inventor
SAKAI MASAO
JP40 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
6 patentsUS4006106AFeb 1, 1977
Self sealable glassy resistor composition for a resistor sealed spark plug
NGK SPARK PLUG CO20 citations82
US4601848AJul 22, 1986
Resistor compositions for producing a resistor in resistor-incorporated spark plugs
NGK SPARK PLUG CO23 citations80
US4504411AMar 12, 1985
Resistor composition for resistor-incorporated spark plugs
NGK SPARK PLUG CO14 citations74
US4482475ANov 13, 1984
Resistor composition for resistor-incorporated spark plugs
NGK SPARK PLUG CO15 citations74
US4001145AJan 4, 1977
Glassy resistor composition for use in a resistor incorporated spark plug
NGK SPARK PLUG CO17 citations73
US4446058AMay 1, 1984
Resistor composition for resistor-incorporated spark plugs
NGK SPARK PLUG CO11 citations72
UNAGAMI YUJI
5 patentsUS8683214B2Mar 25, 2014
Method and device that verifies application program modules
UNAGAMI YUJI7 citations82
US8544093B2Sep 24, 2013
Illegal module identifying device, information processing device, illegal module identifying method, illegal module identifying program, integrated circuit, illegal module disabling system, and illegal module disabling method
UNAGAMI YUJI12 citations82
US8707430B2Apr 22, 2014
Tampering monitoring system, management apparatus, and management method
UNAGAMI YUJI1 citations51
US8726374B2May 13, 2014
Tampering monitoring system, control device, and tampering control method
UNAGAMI YUJI1 citations50
US8516574B2Aug 20, 2013
Software update system, management apparatus, recording medium, and integrated circuit
UNAGAMI YUJI0 citations41
HITACHI LTD
5 patentsUS4132921AJan 2, 1979
Megnetrons getter
HITACHI LTD8 citations66
US4482870ANov 13, 1984
Magnetron with magnetic yoke having annular projection
HITACHI LTD3 citations63
US4175245ANov 20, 1979
Magnetron magnet assembly
HITACHI LTD2 citations61
US4393681AJul 19, 1983
Method of manufacturing hermetic sealing member
HITACHI LTD1 citations52
US4163922AAug 7, 1979
Magnetrons
HITACHI LTD1 citations52
UNIV TOHOKU
5 patentsUS11329819B2May 10, 2022
Information processing system, method for changing public key, program, and method for building information processing system
UNIV TOHOKU0 citations48
US10504225B2Dec 10, 2019
Image processing device, image processing method, and non-transitory computer-readable recording medium having stored therein image processing program
UNIV TOHOKU0 citations48
US11216572B2Jan 4, 2022
Information processing system, method for providing service data, and method for building information processing system
UNIV TOHOKU0 citations47
US8837863B2Sep 16, 2014
Signal-processing device and computer-readable recording medium with signal-processing program recorded thereon
UNIV TOHOKU1 citations45
US10574455B2Feb 25, 2020
Information processing system, information processing apparatus, method for information processing, and non-transitory computer-readable recording medium having stored therein information processing program
UNIV TOHOKU0 citations37
MAEDA MANABU
4 patentsUS8600896B2Dec 3, 2013
Software updating apparatus, software updating system, invalidation method, and invalidation program
MAEDA MANABU6 citations83
US8464347B2Jun 11, 2013
Software updating apparatus, software updating system, alteration verification method and alteration verification program
MAEDA MANABU8 citations83
US8930660B2Jan 6, 2015
Shared information distributing device, holding device, certificate authority device, and system
MAEDA MANABU2 citations62
US8745735B2Jun 3, 2014
Monitoring system, program-executing device, monitoring program, recording medium and integrated circuit
MAEDA MANABU1 citations51