Inventor
MASUDA EIJI
JP56 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO SHIBAURA ELECTRIC CO
18 patentsUS4560890ADec 24, 1985
Autozeroed comparator
TOKYO SHIBAURA ELECTRIC CO38 citations93
US4539551ASep 3, 1985
Differential voltage amplifier
TOKYO SHIBAURA ELECTRIC CO34 citations93
US4511814AApr 16, 1985
Semiconductor analog switch circuit with compensation means to minimize offset of output voltage
TOKYO SHIBAURA ELECTRIC CO30 citations93
US4356450AOct 26, 1982
Offset compensating circuit for operational amplifier
TOKYO SHIBAURA ELECTRIC CO45 citations93
US4243975AJan 6, 1981
Analog-to-digital converter
TOKYO SHIBAURA ELECTRIC CO39 citations93
US4638303AJan 20, 1987
Digital-analog converter
TOKYO SHIBAURA ELECTRIC CO30 citations90
US4518880AMay 21, 1985
MOS Switch circuit with consistent low on resistance
TOKYO SHIBAURA ELECTRIC CO21 citations82
US4364028ADec 14, 1982
Integrating analog to digital converter having offset error compensation
TOKYO SHIBAURA ELECTRIC CO23 citations82
US4656429AApr 7, 1987
Voltage comparison circuit with ripple component elimination
TOKYO SHIBAURA ELECTRIC CO9 citations74
US4633101ADec 30, 1986
Semiconductor sample and hold switching circuit
TOKYO SHIBAURA ELECTRIC CO14 citations74
US4600916AJul 15, 1986
Parallel analog-to-digital converter circuit
TOKYO SHIBAURA ELECTRIC CO11 citations74
US4591801AMay 27, 1986
Differential amplifier circuit
TOKYO SHIBAURA ELECTRIC CO10 citations74
US4524327AJun 18, 1985
Operational amplifier
TOKYO SHIBAURA ELECTRIC CO8 citations74
US4352092ASep 28, 1982
Digital to analog converter
TOKYO SHIBAURA ELECTRIC CO14 citations74
US4376918AMar 15, 1983
Overtone crystal oscillating circuit
TOKYO SHIBAURA ELECTRIC CO16 citations71
US4278943AJul 14, 1981
Integration circuit
TOKYO SHIBAURA ELECTRIC CO6 citations63
US4253175AFeb 24, 1981
Time data processing circuit for electronic timepiece
TOKYO SHIBAURA ELECTRIC CO2 citations63
US4225847ASep 30, 1980
Display circuit
TOKYO SHIBAURA ELECTRIC CO2 citations63
POLYPLASTICS CO
7 patentsUS5866670AFeb 2, 1999
Process for preparing polyacetal copolymer
POLYPLASTICS CO20 citations92
US5726276AMar 10, 1998
Process for preparing polyacetal copolymer
POLYPLASTICS CO16 citations74
US5973081AOct 26, 1999
Modified polyacetal and method of producing the same
POLYPLASTICS CO8 citations72
US9695265B2Jul 4, 2017
Process for producing polyacetal copolymer
POLYPLASTICS CO2 citations69
US9546241B2Jan 17, 2017
Method for producing polyacetal copolymer
POLYPLASTICS CO2 citations68
US9745400B2Aug 29, 2017
Method for producing polyacetal copolymer
POLYPLASTICS CO1 citations52
US9550853B2Jan 24, 2017
Method for producing polyacetal copolymer
POLYPLASTICS CO1 citations47
TOSHIBA KK
6 patentsUS5013942AMay 7, 1991
Clock supply circuit having adjustment capacitance
TOSHIBA KK34 citations93
US4786824ANov 22, 1988
Input signal level detecting circuit
TOSHIBA KK23 citations82
US5252508AOct 12, 1993
Apparatus and method for the fabrication of semiconductor circuits
TOSHIBA KK15 citations74
US4893031AJan 9, 1990
Logical circuits for performing logical functions without a power supply
TOSHIBA KK12 citations74
US4639554AJan 27, 1987
Dual-tone multiple-frequency-signal generating apparatus
TOSHIBA KK10 citations74
US4665381AMay 12, 1987
Digital-to-analog converter
TOSHIBA KK5 citations63
MASUDA EIJI
5 patentsUS8564241B2Oct 22, 2013
Battery temperature control system
MASUDA EIJI29 citations92
US8575897B2Nov 5, 2013
Battery temperature control system
MASUDA EIJI13 citations84
US8280570B2Oct 2, 2012
Power controller for hybrid vehicle
MASUDA EIJI14 citations84
US8288998B2Oct 16, 2012
Method and apparatus for charge discharge power control
MASUDA EIJI6 citations73
US9044835B2Jun 2, 2015
Gas container valve fastening machine
MASUDA EIJI1 citations52
DAIKIN IND LTD
4 patentsUS12227608B2Feb 18, 2025
Method for producing low-molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD2 citations69
US11306222B2Apr 19, 2022
Fluorocarbon, lubricant for use on ice and snow, and coating method
DAIKIN IND LTD0 citations62
US12460055B2Nov 4, 2025
Low-molecular-weight polytetrafluoroethylene production method and powder
DAIKIN IND LTD0 citations50
US10759935B2Sep 1, 2020
Resin composition and molded body
DAIKIN IND LTD0 citations48
TOYOTA MOTOR CO LTD
3 patentsUS7918762B2Apr 5, 2011
Power output apparatus, control method of power output apparatus, and vehicle equipped with power output apparatus
TOYOTA MOTOR CO LTD9 citations84
US7974759B2Jul 5, 2011
Control device for vehicle, and control method thereof
TOYOTA MOTOR CO LTD3 citations63
US7925417B2Apr 12, 2011
Control apparatus and method for internal combustion engine
TOYOTA MOTOR CO LTD4 citations63
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsTOKYO ELECTRON LTD
1 patentUEHARA TETSUYA
1 patentYASKAWA DENKI SEISAKUSHO KK
1 patentDENSO CORP
1 patentMASUDA & CO LTD
1 patentShowing the top 50 of 56 patents by PatentIndex Score.