Inventor
OKAMOTO TOSHIYUKI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
10 patentsUS5508647AApr 16, 1996
Noise shaper for preventing noise in low frequency band
NEC CORP11 citations73
US5420892AMay 30, 1995
Stabilized noise shaper of a small scale having a suppressed quantization noise in high frequency region without deteriorating S/N ratio
NEC CORP17 citations73
US5247483ASep 21, 1993
Sense amplifier circuit
NEC CORP7 citations73
US5179354AJan 12, 1993
Operational amplifier
NEC CORP13 citations73
US5070306ADec 3, 1991
High-gain differencial amplifier circuit fabricated from field effect transistors
NEC CORP7 citations73
US4924223AMay 8, 1990
Digital code converter formed of a decreased number of circuit elements
NEC CORP8 citations73
US4893092AJan 9, 1990
Operational amplifier circuit
NEC CORP16 citations73
US4661779AApr 28, 1987
Operational amplifier
NEC CORP18 citations73
US5295186AMar 15, 1994
Termination circuit for a two-wire transmission line
NEC CORP4 citations62
US5162735ANov 10, 1992
Operational amplifier circuit with improved gain of feedback loop
NEC CORP4 citations62
KDDI CORP
4 patentsUS11509774B2Nov 22, 2022
Device controller, communication terminal, device control method, compensation calculation method, and device control system
KDDI CORP0 citations57
US11032429B2Jun 8, 2021
Device controller, communication terminal, device control method, compensation calculation method, and device control system
KDDI CORP0 citations57
US10742820B2Aug 11, 2020
Device controller, communication terminal, device control method, compensation calculation method, and device control system
KDDI CORP0 citations46
US10447863B2Oct 15, 2019
Device controller, communication terminal, device control method, compensation calculation method, and device control system
KDDI CORP0 citations46