Inventor
SAITO SHIGEKI
US23 patents
⚠️ This page may combine multiple inventors who share the name “SAITO SHIGEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS5121605AJun 16, 1992
Turbo-charger with rotary machine
HITACHI LTD104 citations96
US4875539AOct 24, 1989
Electric power steering control system
HITACHI LTD45 citations91
US4756375AJul 12, 1988
Motor-driven power steering apparatus
HITACHI LTD65 citations90
US4765425AAug 23, 1988
Electric power steering apparatus
HITACHI LTD24 citations82
US4357565ANov 2, 1982
Control apparatus for variable-speed reversible motor
HITACHI LTD20 citations80
US4039853AAug 2, 1977
Magnetizing device for permanent magnet motor for electric vehicle
HITACHI LTD17 citations74
US4802543AFeb 7, 1989
Electric power steering device
HITACHI LTD6 citations54
NIPPON TELEGRAPH & TELEPHONE
5 patentsUS5203023AApr 13, 1993
Phase likelihood comparison diversity receiver
NIPPON TELEGRAPH & TELEPHONE65 citations96
US4980652ADec 25, 1990
Frequency synthesizer having compensation for nonlinearities
NIPPON TELEGRAPH & TELEPHONE117 citations96
US5260975ANov 9, 1993
Digital demodulator
NIPPON TELEGRAPH & TELEPHONE51 citations92
US5202906AApr 13, 1993
Frequency divider which has a variable length first cycle by changing a division ratio after the first cycle and a frequency synthesizer using same
NIPPON TELEGRAPH & TELEPHONE57 citations92
US4590442AMay 20, 1986
Variable high frequency oscillator
NIPPON TELEGRAPH & TELEPHONE8 citations69
PRIMEARTH EV ENERGY CO LTD
3 patentsUS12027726B2Jul 2, 2024
Secondary battery manufacturing method and secondary battery
PRIMEARTH EV ENERGY CO LTD0 citations62
US10259074B2Apr 16, 2019
Welding mode determination device, method for determining welding mode, and laser beam welding device
PRIMEARTH EV ENERGY CO LTD0 citations41
US10052719B2Aug 21, 2018
Laser welding device, laser welding method, and battery casing
PRIMEARTH EV ENERGY CO LTD0 citations40