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  1. No Access

    Chapter and Conference Paper

    Strength Development Characteristics of Concrete Using Coal Gasification Slag Fine Aggregate

    Coal gasification slag (CGS) fine aggregate is a byproduct of integrated coal gasification combined cycle (IGCC) power plants. In Japan, the Japanese Industrial Standard JIS A 5011–5:2020 [3] was established in 2...

    Sachie Sato, Hironobu Nishi, Akio Koyama in Proceedings of the Third International Con… (2024)

  2. No Access

    Article

    Two-year clinical outcomes and predictors of restenosis following the use of polymer-coated paclitaxel-eluting stents or drug-coated balloons in patients with femoropopliteal artery disease

    We aimed to assess the clinical performance and risk factors for patency loss within 2 years following the use of polymer-coated paclitaxel-eluting stents (PC-PESs) and drug-coated balloons (DCBs) in patients ...

    Naoki Yoshioka, Takahiro Tokuda, Akio Koyama, Takehiro Yamada in Heart and Vessels (2023)

  3. Article

    Correction to: Clinical outcomes and predictors of restenosis in patients with femoropopliteal artery disease treated using polymer-coated paclitaxel-eluting stents or drug-coated balloons

    Naoki Yoshioka, Takahiro Tokuda, Akio Koyama, Takehiro Yamada in Heart and Vessels (2022)

  4. No Access

    Article

    Clinical outcomes and predictors of restenosis in patients with femoropopliteal artery disease treated using polymer-coated paclitaxel-eluting stents or drug-coated balloons

    Both polymer-coated paclitaxel-eluting stents (PC-PESs) and drug-coated balloons (DCBs) are used in conjunction with endovascular therapy (EVT) for the treatment of peripheral artery disease (PAD). We aimed to...

    Naoki Yoshioka, Takahiro Tokuda, Akio Koyama, Takehiro Yamada in Heart and Vessels (2022)

  5. No Access

    Chapter and Conference Paper

    A Machine Learning Based Network Intrusion Detection System with Applying Different Algorithm in Multiple Stages

    In recent years, a wide variety of network services are provided by the rapid development of Information and Communication Technology (ICT). Along with this, cyberattacks which interfere with these services oc...

    Seiichi Sasa, Hiroyuki Suzuki, Akio Koyama in Advances on Broad-Band Wireless Computing,… (2022)

  6. No Access

    Chapter and Conference Paper

    Detection and Analysis of Meal Sequence and Time Based on Internet of Things

    With the prevalence of lifestyle diseases, systems for monitoring meal information through the Internet of Things have become widespread. Studies have shown that the sequence and time of meals are considered t...

    Liyang Zhang, Hiroyuki Suzuki, Akio Koyama in Advances on P2P, Parallel, Grid, Cloud and… (2021)

  7. No Access

    Chapter and Conference Paper

    DTN Routing Protocol Using Reinforcement Learning

    Existing DTN routing protocols such as MaxProp and PRoPHETV2 are Routing based on network states. However, those protocols consider only specific parameters for routing. The DTN routing protocol is designed to...

    Kenta Henmi, Akio Koyama in Advances on Broad-Band Wireless Computing,… (2021)

  8. No Access

    Chapter and Conference Paper

    IoT Security Viewer System Using Machine Learning

    Recently, Internet of Things (IoT) are spreading and various things are connected to the Internet. As the results, it is possible to get various data and operate the devices remotely. With spreading of IoT, at...

    Yuya Kunugi, Hiroyuki Suzuki, Akio Koyama in Advanced Information Networking and Applic… (2020)

  9. No Access

    Chapter and Conference Paper

    Development and Evaluation of IoT/M2M Application Using Real Object Oriented Model

    Currently, although IoT/M2M applications are developed and used, the development model is mainly a vertical type model that is used for specific services. This model is difficult to incorporate already develop...

    Hiroyuki Suzuki, Liyang Zhang, Akio Koyama in Advances in Intelligent Networking and Col… (2020)

  10. No Access

    Chapter and Conference Paper

    Hybrid Type DTN Routing Protocol Considering Storage Capacity

    The conventional DTN routing protocol replicates messages ignoring storage state of replication node. However, it is necessary to take into account the number of replication in case of less space in storage. T...

    Kenta Henmi, Akio Koyama in Advances in Internet, Data and Web Technologies (2020)

  11. No Access

    Chapter and Conference Paper

    Meal Information Recognition Based on Smart Tableware Using Multiple Instance Learning

    In recent years, people are paying more and more attention to the management of healthy meals because of the influence of lifestyle-related diseases, and some diet management systems are trying to help people ...

    Liyang Zhang, Kohei Kaiya, Hiroyuki Suzuki in Advances in Networked-based Information Sy… (2020)

  12. No Access

    Chapter and Conference Paper

    IoT/M2M Application Development Method Using Real Object Oriented Model

    Recently, applications of IoT/M2M are develo**, but the development model is still a vertical type model optimized for specific system. However, in vertical type model, when novel systems are developed, same...

    Hiroyuki Suzuki, Akio Koyama in Complex, Intelligent, and Software Intensive Systems (2019)

  13. No Access

    Chapter and Conference Paper

    A Communication Method for Wireless Mesh Networks Suitable to IoT Communication Environment

    Recently, Wireless Mesh Networks (WMN) are widespread as extension technology of Wireless LAN (WLAN) area. WMN can provide low cost and wide area WLAN by connecting Access Points (AP) of WLAN to mesh shape. M...

    Kyohei Kishi, Hiroyuki Suzuki, Akio Koyama in Complex, Intelligent, and Software Intensi… (2018)

  14. No Access

    Chapter and Conference Paper

    An Object Management and Fuzzy Based Location Estimation Method Using Active RFID Tags

    According to recent statistics, the proportion of small stores in retail stores has decreased, and the proportion of corporate-managed retailers such as large supermarkets are increasing. In addition to upsiz...

    Kaiki Ohkoshi, Hiroyuki Suzuki, Akio Koyama in Advances on Broad-Band Wireless Computing,… (2018)

  15. Article

    Open Access

    Mizoribine therapy combined with steroids and mizoribine blood concentration monitoring for idiopathic membranous nephropathy with steroid-resistant nephrotic syndrome

    We designed a prospective and randomized trial of mizoribine (MZR) therapy combined with prednisolone (PSL) for idiopathic membranous nephropathy (IMN) with steroid-resistant nephrotic syndrome (SRNS).

    Takao Saito, Masayuki Iwano, Koichi Matsumoto in Clinical and Experimental Nephrology (2017)

  16. Article

    Open Access

    Orally active prostacyclin analogue beraprost sodium in patients with chronic kidney disease: a randomized, double-blind, placebo-controlled, phase II dose finding trial

    Evidence increasingly points to the importance of chronic hypoxia in the tubulointerstitium as a final common pathway to end-stage renal disease (ESRD). Beraprost sodium (BPS) is an orally active prostacyclin ...

    Akio Koyama, Toshiro Fujita, Fumitake Gejyo, Hideki Origasa in BMC Nephrology (2015)

  17. Article

    Open Access

    Significance of combined cyclosporine−prednisolone therapy and cyclosporine blood concentration monitoring for idiopathic membranous nephropathy with steroid-resistant nephrotic syndrome: a randomized controlled multicenter trial

    Combined treatment with cyclosporine microemulsion preconcentrate (CyA MEPC) and steroids has been widely used for idiopathic membranous nephropathy (IMN) associated with steroid-resistant nephrotic syndrome (...

    Takao Saito, Masayuki Iwano, Koichi Matsumoto in Clinical and Experimental Nephrology (2014)

  18. Article

    Erratum to: Clinical findings on ANCA-associated renal vasculitis from the Japan RPGN registry obtained via a questionnaire survey

    Kunihiro Yamagata, Joichi Usui, Hitoshi Sugiyama in Clinical and Experimental Nephrology (2013)

  19. No Access

    Article

    Clinical findings on ANCA-associated renal vasculitis from the Japan RPGN registry obtained via a questionnaire survey

    Renal involvement with significant organ damage is common in anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). As a result, it is independently referred to ANCA-associated renal vasculit...

    Kunihiro Yamagata, Joichi Usui, Hitoshi Sugiyama in Clinical and Experimental Nephrology (2013)

  20. No Access

    Article

    Primary membranoproliferative glomerulonephritis on the decline: decreased rate from the 1970s to the 2000s in Japan

    A prolonged change in the rate of primary membranoproliferative glomerulonephritis (MPGN) was identified using a Japanese database of renal biopsies.

    Tetsuya Kawamura, Joichi Usui, Koji Kaseda in Clinical and Experimental Nephrology (2013)

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