Inventor
MARUYAMA TAKAYA
JP14 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA TAKAYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
11 patentsUS6313704B1Nov 6, 2001
Multi-stage signal amplifying circuit
MITSUBISHI ELECTRIC CORP30 citations92
US6275121B1Aug 14, 2001
Microwave circuit for phase shifting having voltage transforming means to control switching
MITSUBISHI ELECTRIC CORP17 citations83
US6100760AAug 8, 2000
Variable gain amplifier
MITSUBISHI ELECTRIC CORP16 citations83
US6717469B2Apr 6, 2004
Gain control circuit for controlling a gain in a variable gain cell
MITSUBISHI ELECTRIC CORP8 citations73
US5932926AAug 3, 1999
Microwave semiconductor integrated circuit
MITSUBISHI ELECTRIC CORP9 citations73
US6144233ANov 7, 2000
Gain control circuit for controlling operation of a variable-gain amplifier or the like
MITSUBISHI ELECTRIC CORP12 citations72
US10425062B2Sep 24, 2019
Polyphase filter and filter circuit
MITSUBISHI ELECTRIC CORP4 citations71
US10404228B2Sep 3, 2019
Transconductance amplifier and phase shifter
MITSUBISHI ELECTRIC CORP1 citations61
US12531545B2Jan 20, 2026
Filter circuit
MITSUBISHI ELECTRIC CORP0 citations51
US11005429B2May 11, 2021
Current amplifier
MITSUBISHI ELECTRIC CORP0 citations51
US10530338B2Jan 7, 2020
Phase shift precision calibration circuitry, vector sum phase shifter, and wireless communication device
MITSUBISHI ELECTRIC CORP0 citations50