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Toshikazu Shiga

Observed names: Shiga, Toshikazu, T. Shiga, TOSHIKAZU SHIGA, Toshikazu SHIGA
OpenAlex ID: A5102079471
Study of an algorithm based on model experiments and diffusion theory for a portable tissue oximeter
1997 · Toshikazu Shiga, Katsuyuki Yamamoto, et al. · Journal of Biomedical Optics · 75
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Six random specimens of daytime casual urine on different days are sufficient to estimate daily sodium/potassium ratio in comparison to 7-day 24-h urine collections
2014 · Toshiyuki Iwahori, Hirotsugu Ueshima, et al. · Hypertension Research · 71
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A longitudinal large-scale objective sleep data analysis revealed a seasonal sleep variation in the Japanese population
2018 · Masanori Hashizaki, Hiroshi Nakajima, et al. · Chronobiology International · 58
A Wearable Healthcare System With a 13.7 $\mu$ A Noise Tolerant ECG Processor
2014 · Shintaro Izumi, Ken Yamashita, et al. · IEEE Transactions on Biomedical Circuits and Systems · 56
Seasonal variation in home blood pressure: findings from nationwide web-based monitoring in Japan
2018 · Toshiyuki Iwahori, Katsuyuki Miura, et al. · BMJ Open · 55
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Effectiveness of a Self-monitoring Device for Urinary Sodium-to-Potassium Ratio on Dietary Improvement in Free-Living Adults: a Randomized Controlled Trial
2017 · Toshiyuki Iwahori, Hirotsugu Ueshima, et al. · Journal of Epidemiology · 46
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Normally Off ECG SoC With Non-Volatile MCU and Noise Tolerant Heartbeat Detector
2015 · Shintaro Izumi, Ken Yamashita, et al. · IEEE Transactions on Biomedical Circuits and Systems · 42
Novel Triggered Nocturnal Blood Pressure Monitoring for Sleep Apnea Syndrome: Distribution and Reproducibility of Hypoxia‐Triggered Nocturnal Blood Pressure Measurements
2016 · Mitsuo Kuwabara, Haruna Hamasaki, et al. · Journal of Clinical Hypertension · 38
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Estimation of whole-body skeletal muscle mass by bioelectrical impedance analysis in the standing position
2009 · Yoshitake Oshima, Toshikazu Shiga, et al. · Obesity Research & Clinical Practice · 37
Polysomnography‐derived sleep parameters as a determinant of nocturnal blood pressure profile in patients with obstructive sleep apnea
2018 · Mitsuo Kuwabara, Naoko Tomitani, et al. · Journal of Clinical Hypertension · 30
Influence of a fat layer on muscle oxygenation measurement using near-IR spectroscopy: quantitative analysis based on two-layered phantom experiments and Monte Carlo simulation
2000 · Toshikazu Shiga, Ling Lin, et al. · Frontiers of Medical & Biological Engineering · 27
Accurate NIRS measurement of muscle oxygenation by correcting the influence of a subcutaneous fat layer
1998 · Katsuyuki Yamamoto, Masatsugu Niwayama, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 27
Estimating metabolic equivalents for activities in daily life using acceleration and heart rate in wearable devices
2018 · Motofumi Nakanishi, Shintaro Izumi, et al. · BioMedical Engineering OnLine · 26
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Nocturnal blood pressure surge in seconds is a new determinant of left ventricular mass index
2021 · Ayako Kokubo, Mitsuo Kuwabara, et al. · Journal of Clinical Hypertension · 25
Automatic detection algorithm for establishing standard to identify “surge blood pressure”
2020 · Ayako Kokubo, Mitsuo Kuwabara, et al. · Medical & Biological Engineering & Computing · 21
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A 14 µA ECG processor with robust heart rate monitor for a wearable healthcare system
2013 · Shintaro Izumi, Ken Yamashita, et al. · European Solid-State Circuits Conference (ESSCIRC) · 20
A Study of Bioelectrical Impedance Analysis Methods for Practical Visceral Fat Estimation
2007 · Mitsuhiro Yoneda, Hiroshi Tasaki, et al. · IEEE International Conference on Granular Computing (GrC) · 20
Accuracy validation of sleep measurements by a contactless biomotion sensor on subjects with suspected sleep apnea
2014 · Masanori Hashizaki, Hiroshi Nakajima, et al. · Sleep and Biological Rhythms · 19
Systems Health care
2011 · Hiroshi Nakajima, Toshikazu Shiga, et al. · Conference proceedings/Conference proceedings - IEEE International Conference on Systems, Man, and Cybernetics · 18
Quantitative measurement of muscle oxygenation by NIRS: analysis of the influences of a subcutaneous fat layer and skin
1999 · Masatsugu Niwayama, Ling Lin, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 18
Development of Visceral Fat Estimation Model Based on Bioelectrical Impedance Analysis Method
2008 · Mitsuhiro YONEDA, Hiroshi TASAKI, et al. · Journal of Japan Society for Fuzzy Theory and Intelligent Informatics · 15
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Neuromuscular Electrical Stimulation and an Ottoman-Type Seat Effectively Improve Popliteal Venous Flow in a Sitting Position
2006 · Hironobu Morita, Chikara Abe, et al. · The Journal of Physiological Sciences · 15
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A 6.14µA normally-off ECG-SoC with noise tolerant heart rate extractor for wearable healthcare systems
2014 · Shintaro Izumi, Ken Yamashita, et al. · IEEE Biomedical Circuits and Systems Conference (BioCAS) · 13
Development of beat-by-beat blood pressure monitoring device and nocturnal sec-surge detection algorithm
2024 · Ayako Kokubo, Mitsuo Kuwabara, et al. · Hypertension Research · 11
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Validation of a new snoring detection device based on a hysteresis extraction algorithm
2017 · Hirotaka Hara, Masakazu Tsutsumi, et al. · Auris Nasus Larynx · 10
Works count: 62
Citation count: 869
H-index: 18
I10-index: 25
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