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Toshitaka Yamakawa
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Epileptic seizure prediction based on multivariate statistical process control of heart rate variability features
K Fujiwara, M Miyajima, T Yamakawa, E Abe, Y Suzuki, Y Sawada, ...
IEEE Transactions on Biomedical Engineering 63 (6), 1321-1332, 2015
1892015
Cooling of the epileptic focus suppresses seizures with minimal influence on neurologic functions
M Fujii, T Inoue, S Nomura, Y Maruta, Y He, H Koizumi, S Shirao, ...
Epilepsia 53 (3), 485-493, 2012
582012
Development of drowsiness detection method by integrating heart rate variability analysis and multivariate statistical process control
E Abe, K Fujiwara, T Hiraoka, T Yamakawa, M Kano
SICE Journal of Control, Measurement, and System Integration 9 (1), 10-17, 2016
472016
Application of focal cerebral cooling for the treatment of intractable epilepsy
M Fujii, H Fujioka, T Oku, N Tanaka, H Imoto, Y Maruta, S Nomura, ...
Neurologia medico-chirurgica 50 (9), 839-844, 2010
472010
Real-time heart rate variability monitoring employing a wearable telemeter and a smartphone
T Yamakawa, K Fujiwara, M Miyajima, E Abe, M Kano, Y Ueda
Signal and Information Processing Association Annual Summit and Conference …, 2014
232014
Development of an implantable flexible probe for simultaneous near-infrared spectroscopy and electrocorticography
T Yamakawa, T Inoue, Y He, M Fujii, M Suzuki, M Niwayama
IEEE Transactions on Biomedical Engineering 61 (2), 388-395, 2013
232013
Development of a wearable HRV telemetry system to be operated by non-experts in daily life
T Yamakawa, K Fujiwara, M Kano, M Miyajima, Y Suzuki, T Maehara, ...
2013 Asia-Pacific Signal and Information Processing Association Annual …, 2013
202013
Heart rate variability features for epilepsy seizure prediction
H Hashimoto, K Fujiwara, Y Suzuki, M Miyajima, T Yamakawa, M Kano, ...
2013 Asia-Pacific Signal and Information Processing Association Annual …, 2013
172013
Neuroprotective effects of focal brain cooling on photochemically-induced cerebral infarction in rats: analysis from a neurophysiological perspective
Y He, M Fujii, T Inoue, S Nomura, Y Maruta, F Oka, S Shirao, Y Owada, ...
Brain research 1497, 53-60, 2013
172013
Penicillin-induced epileptiform activity elevates focal brain temperature in anesthetized rats
T Tokiwa, T Inoue, M Fujii, S Ishizuka, S Aou, H Kida, Y Maruta, ...
Neuroscience Research 76 (4), 257-260, 2013
152013
A low-cost long-life RR interval telemeter with automatic gain control for various ECG amplitudes
T Yamakawa
Journal of Advanced Research in Physics 3 (1), 2012
132012
A circuit design of a smart RF ID tag for heartbeat signal extraction
T Yamakawa, T Inoue, S Hino, E Ichihara, Y Takamune, S Eto, ...
The 2004 47th Midwest Symposium on Circuits and Systems, 2004. MWSCAS'04. 3 …, 2004
122004
Implantable thin NIRS probe design and sensitivity distribution analysis
M Niwayama, T Yamakawa
Electronics letters 50 (5), 346-348, 2014
112014
Design and experiments of a novel low-ripple Cockcroft-Walton AC-to-DC converter for a coil-coupled passive RFID tag
T Yamakawa, T Inoue, A Tsuneda
IEICE transactions on fundamentals of electronics, communications and …, 2008
112008
Development of a focal cerebral cooling system for the treatment of intractable epilepsy: An experimental study in cats and non-human primates
T Inoue, M Fujii, Y He, Y Maruta, H Kida, S Nomura, M Suzuki, T Tokiwa, ...
2011 IEEE International Conference on Systems, Man, and Cybernetics, 691-695, 2011
82011
Design of a CMOS heartbeat spike-pulse detection circuit integrable in an RFID tag for heart rate signal sensing
T Yamakawa, T Inoue, M Harada, A Tsuneda
IEICE transactions on electronics 90 (6), 1336-1343, 2007
82007
Epileptic seizure monitoring by using multivariate statistical process control
H Hashimoto, K Fujiwara, Y Suzuki, M Miyajima, T Yamakawa, M Kano, ...
IFAC Proceedings Volumes 46 (31), 249-254, 2013
72013
Subdural electrode array manipulated by a shape memory alloy guidewire for minimally-invasive electrocorticogram recording
T Yamakawa, T Yamakawa, S Aou, S Ishizuka, M Suzuki, M Fujii
2010 World Automation Congress, 1-6, 2010
72010
An advanced design of a smart RF ID tag circuit for heartbeat signal extraction
T Yamakawa
Proc. 2005 IEEJ International Analog VLSI Workshop, Oct., 2005
72005
Subdural electrocorticogram measurement with a minimally-invasive procedure using an SMA-manipulated microelectrode array
T Yamakawa, T Yamakawa, S Aou, S Ishizuka, M Suzuki, M Fujii, T Aoki
Advanced Materials Research 222, 313-317, 2011
62011
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