Inventor
SHIMADA KEIKO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “SHIMADA KEIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
6 patentsUS5222121AJun 22, 1993
Voice recognition dialing unit
NEC CORP128 citations96
US5201004AApr 6, 1993
Speech recognition method with noise reduction and a system therefor
NEC CORP15 citations73
US5416887AMay 16, 1995
Method and system for speech recognition without noise interference
NEC CORP19 citations72
US4955055ASep 4, 1990
Loudspeaking telephone with a frequency shifting circuit
NEC CORP16 citations72
US5022068AJun 4, 1991
Branched telephone system
NEC CORP5 citations61
US4899380AFeb 6, 1990
Loudspeaking telephone with a variable gain circuit
NEC CORP4 citations61
RIKEN
4 patentsUS11024482B2Jun 1, 2021
Holography reconstruction method and program
RIKEN0 citations56
US10770264B2Sep 8, 2020
Interference optical system unit, charged particle beam interference apparatus, and method for observing charged particle beam interference image
RIKEN0 citations51
US11551907B2Jan 10, 2023
Electron microscope and sample observation method using the same
RIKEN0 citations46
US10948426B2Mar 16, 2021
Particle beam device, observation method, and diffraction grating
RIKEN0 citations46