Inventor
FUJIMOTO RYUICHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “FUJIMOTO RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
11 patentsUS6498929B1Dec 24, 2002
Receiver having DC offset decreasing function and communication system using the same
TOSHIBA KK149 citations98
US5995819ANov 30, 1999
Frequency converter and radio receiver using same
TOSHIBA KK85 citations96
US7098737B2Aug 29, 2006
Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier
TOSHIBA KK29 citations92
US6809604B2Oct 26, 2004
Voltage control oscillator having a ferroelectric thin film perovskite single crystal resonator
TOSHIBA KK29 citations92
US7221920B2May 22, 2007
Voltage controlled oscillator, frequency synthesizer and communication apparatus
TOSHIBA KK19 citations91
US6870446B2Mar 22, 2005
High frequency filter
TOSHIBA KK17 citations84
US8008973B2Aug 30, 2011
Amplifier for amplifying a high-frequency signal
TOSHIBA KK8 citations83
US7190239B2Mar 13, 2007
Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier
TOSHIBA KK8 citations74
US5809408ASep 15, 1998
Variable gain circuit and radio apparatus using the same
TOSHIBA KK16 citations74
US7417501B2Aug 26, 2008
Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier
TOSHIBA KK2 citations63
US8948307B2Feb 3, 2015
Ask signal generator
TOSHIBA KK2 citations62
CANON KK
4 patentsUS12588882B2Mar 31, 2026
Energy subtraction processing apparatus, energy subtraction processing method, radiation imaging system, and non-transitory computer-readable storage medium
CANON KK0 citations62
US12217401B2Feb 4, 2025
Image processing apparatus, image processing method, and storage medium
CANON KK0 citations62
US12573010B2Mar 10, 2026
Image processing apparatus, radiation imaging system, image processing method, and non-transitory computer-readable storage medium
CANON KK0 citations52
US12461258B2Nov 4, 2025
Radiation imaging apparatus that determines timing of sampling and holding
CANON KK0 citations52