秋山尚之 (Takayuki Akiyama) - マイポータル

基本情報

所属: 一橋大学経済研究所

研究者番号: 00995152
ORCID iD: https://orcid.org/0000-0002-3958-9452
J-GLOBAL ID: 202401011293233966
researchmap会員ID: R000063781

論文

Environmental Dissemination of Antimicrobial Resistance: A Resistome-Based Comparison of Hospital and Community Wastewater Sources

Taito Kitano, Nobuaki Matsunaga, Takayuki Akiyama, Takashi Azuma, Naoki Fujii, Ai Tsukada, Hiromi Hibino, Makoto Kuroda, Norio Ohmagari

Antibiotics 2026年1月19日
Disseminated intravascular coagulation is associated with poor prognosis in patients with COVID-19.

Satoshi Gando, Takayuki Akiyama

Scientific reports 14(1) 12443-12443 2024年5月30日査読有り
Steroid initiation timing and outcome of coronavirus disease 2019 patients: A multicenter, retrospective, observational study.

Ryu Sugimoto, Tsuneaki Kenzaka, Ayako Mikami, Nobuaki Matsunaga, Takayuki Akiyama, Norio Ohmagari, Hogara Nishisaki

International journal of immunopathology and pharmacology 37 3946320231216314-3946320231216314 2023年11月査読有り
Clinical efficacy of remdesivir for COVID-19 in children: A propensity-score-matched analysis

Kensuke Shoji, Yusuke Asai, Takayuki Akiyama, Shinya Tsuzuki, Nobuaki Matsunaga, Setsuko Suzuki, Noriko Iwamoto, Takanori Funaki, Isao Miyairi, Norio Ohmagari

Journal of Infection and Chemotherapy 29(9) 2023年9月査読有り
Comparison of clinical characteristics of COVID-19 in pregnant women between the Delta and Omicron variants of concern predominant periods

Kensuke Shoji, Shinya Tsuzuki, Takayuki Akiyama, Nobuaki Matsunaga, Yusuke Asai, Setsuko Suzuki, Noriko Iwamoto, Takanori Funaki, Masaki Yamada, Nobuaki Ozawa …

Journal of Infection and Chemotherapy 29(1) 2023年1月査読有り
Temporal trends in microbial detection during the COVID-19 pandemic: Analysis of the Japan surveillance for Infection Prevention and Healthcare Epidemiology (J-SIPHE) database

Akira Endo, Yusuke Asai, Taichi Tajima, Mio Endo, Takayuki Akiyama, Nobuaki Matsunaga, Haruhiko Ishioka, Shinya Tsuzuki, Norio Ohmagari

Journal of Infection and Chemotherapy 29(1) 2023年1月査読有り
Predictive model of risk factors of High Flow Nasal Cannula using machine learning in COVID-19

Nobuaki Matsunaga, Keisuke Kamata, Yusuke Asai, Shinya Tsuzuki, Yasuaki Sakamoto, Shinpei Ijichi, Takayuki Akiyama, Jiefu Yu, Gen Yamada, Mari Terada …

Infectious Disease Modelling 7(3) 2022年9月査読有り
Impact of dementia, living in a long-term care facility, and physical activity status on COVID-19 severity in older adults

Shinya Tsuzuki, Takayuki Akiyama, Nobuaki Matsunaga, Norio Ohmagari

2022年7月5日査読有り
Impact of regional heterogeneity on the severity of COVID-19

Shinya Tsuzuki, Yusuke Asai, Nobuaki Matsunaga, Haruhiko Ishioka, Takayuki Akiyama, Norio Ohmagari

Journal of Infection and Chemotherapy 28(4) 554-557 2022年4月査読有り
Comparison of the clinical characteristics and outcomes of COVID-19 in children before and after the emergence of Delta variant of concern in Japan

Kensuke Shoji, Takayuki Akiyama, Shinya Tsuzuki, Nobuaki Matsunaga, Yusuke Asai, Setsuko Suzuki, Noriko Iwamoto, Takanori Funaki, Norio Ohmagari

Journal of Infection and Chemotherapy 28(4) 591-594 2022年4月査読有り
Clinical Characteristics and Outcomes of Coronavirus Disease 2019 (COVID-19) in Pregnant Women: A Propensity Score-Matched Analysis of Data from the COVID-19 Registry Japan

Shoji, K., Tsuzuki, S., Akiyama, T., Matsunaga, N., Asai, Y., Suzuki, S., Iwamoto, N., Funaki, T., Yamada, M., Ozawa, N. …

Clinical Infectious Diseases 75(1) 2022年査読有り
Association between physical activity status and severity of COVID-19 in older adults

Tsuzuki, S., Akiyama, T., Matsunaga, N., Ohmagari, N.

Epidemiology and Infection 150 2022年査読有り
Clinical characteristics of COVID-19 in hospitalized children during the Omicron variant predominant period

Shoji, K., Akiyama, T., Tsuzuki, S., Matsunaga, N., Asai, Y., Suzuki, S., Iwamoto, N., Funaki, T., Ohmagari, N.

Journal of Infection and Chemotherapy 28(11) 2022年査読有り
Clinical Characteristics of Hospitalized COVID-19 in Children: Report from the COVID-19 Registry in Japan

Shoji, K., Akiyama, T., Tsuzuki, S., Matsunaga, N., Asai, Y., Suzuki, S., Iwamoto, N., Funaki, T., Ohmagari, N.

Journal of the Pediatric Infectious Diseases Society 10(12) 2021年査読有り
Improved penicillin susceptibility of Streptococcus pneumoniae and increased penicillin consumption in Japan, 2013-18

Tsuzuki, S., Akiyama, T., Matsunaga, N., Yahara, K., Shibayama, K., Sugai, M., Ohmagari, N.

PLoS ONE 15(10 October) 2020年査読有り
High-Speed Optical Camera Communication Using an Optimally Modulated Signal

Masanori Sugimoto, Hayato Kumaki, Takayuki Akiyama, Hiromichi Hashizume

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings 2018-April 3739-3743 2018年9月10日査読有り
Time-of-arrival-based smartphone localization using visible light communication

Takayuki Akiyama, Masanori Sugimoto, Hiromichi Hashizume

2017 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2017 2017-January 1-7 2017年11月20日査読有り
Poster Abstract: OFDM Visible Light Communication using Off-the-shelf Video Camera

Shota Shimada, Hiromichi Hashizume, Takayuki Akiyama, Masanori Sugimoto

SenSys 2017 - Proceedings of the 15th ACM Conference on Embedded Networked Sensor Systems 2017-January 2017年11月6日
Poster: Multicamera synchronization for smartphones using optimally modulated illuminations

Koki Kudo, Masanori Sugimoto, Takayuki Akiyama, Hiromichi Hashizume

MobiSys 2017 - Proceedings of the 15th Annual International Conference on Mobile Systems, Applications, and Services 148 2017年6月16日
Time-of-arrival-based indoor smartphone localization using light-synchronized acoustic waves

Akiyama, T., Sugimoto, M., Hashizume, H.

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E100A(9) 2017年査読有り

もっとみる

講演・口頭発表等

Prevalence and significance of disseminated intravascular coagulation in COVID-19

S Gando, T Akiyama

43RD INTERNATIONAL SYMPOSIUM ON INTENSIVE CARE & EMERGENCY MEDICINE 2024年3月
High-Speed Optical Camera Communication Using an Optimally Modulated Signal.

Masanori Sugimoto, Hayato Kumaki, Takayuki Akiyama, Hiromichi Hashizume

2018 IEEE International Conference on Acoustics, Speech and Signal Processing(ICASSP) 2018年 IEEE
OFDM Visible Light Communication using Off-the-shelf Video Camera.

Shota Shimada, Takayuki Akiyama, Hiromichi Hashizume, Masanori Sugimoto

Proceedings of the 15th ACM Conference on Embedded Network Sensor Systems(SenSys) 2017年 ACM
Poster: Multicamera Synchronization for Smartphones using Optimally Modulated Illuminations.

Koki Kudo, Masanori Sugimoto, Takayuki Akiyama, Hiromichi Hashizume

Proceedings of the 15th Annual International Conference on Mobile Systems, Applications, and Services(MobiSys) 2017年 ACM
Time-of-arrival-based smartphone localization using visible light communication.

Takayuki Akiyama, Masanori Sugimoto, Hiromichi Hashizume

2017 International Conference on Indoor Positioning and Indoor Navigation(IPIN) 2017年 IEEE
A spot-controllable data transfer technique using COTS speakers.

Masanari Nakamura, Takayuki Akiyama, Hiromichi Hashizume, Masanori Sugimoto

International Conference on Indoor Positioning and Indoor Navigation(IPIN) 2016年 IEEE
A rapid and accurate time-synchronization technique for acoustic localization using modulated illumination.

Hayato Kumaki, Masanori Sugimoto, Hiromichi Hashizume, Takayuki Akiyama, Taishi Saito

2015 International Conference on Indoor Positioning and Indoor Navigation(IPIN) 2015年 IEEE
SyncSync: Time-of-arrival based localization method using light-synchronized acoustic waves for smartphones.

Takayuki Akiyama, Masanori Sugimoto, Hiromichi Hashizume

2015 International Conference on Indoor Positioning and Indoor Navigation(IPIN) 2015年 IEEE

産業財産権

特許第7213494号情報伝送システム

橋爪宏達, 杉本雅則, 秋山尚之, 熊木逸人, 嶋田祥太
特許第6847411号情報送信装置、情報受信装置、情報伝送システム及びプログラム、測位システム、照明器具並びに照明システム

橋爪宏達, 杉本雅則, 秋山尚之, 熊木逸人
特開2016-085208 同期タイミング検出システム及び検出方法、測距システム及び測位システム、並びに受信装置及びそのプログラム

橋爪宏達, 杉本雅則, 秋山尚之