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  1. No Access

    Article

    Methods for confirming the safety of radiation therapy in patients with left ventricular assist device: a case of extranodal NK/T-cell lymphoma, nasal type

    A left ventricular assist device (LVAD) is a treatment option for patients with end-stage heart failure; however, a certain number of patients on durable LVADs are diagnosed with malignancy. Radiation therapy ...

    Hideo Oishi, Toru Kondo, Mariko Kawamura, Kazuyuki Shimada in Journal of Artificial Organs (2022)

  2. No Access

    Article

    Coronagraph experiment on dark-hole control by speckle area nulling method

    In high-contrast imaging optical systems for direct observation of planets outside our solar system, adaptive optics with an accuracy of λ/10,000 root mean square is required to reduce the speckle noise down to 1...

    Masahito Oya, Jun Nishikawa, Masaaki Horie, Kazuma Sato, Naoshi Murakami in Optical Review (2015)

  3. Article

    Open Access

    Palatal window osteotomy technique improves maxillary sinus augmentation in previously insufficient augmentation case

    Perforation of the Schneiderian membrane is the most common complication in sinus floor augmentation (SFA). When volume of grafting is qualified to prevent enlargement of the membrane perforation, lack of bone...

    Daisuke Ueno, Takashi Kurokawa in International Journal of Implant Dentistry (2015)

  4. Article

    Open Access

    Peri-implant mucosal dehiscence coverage with a modified semilunar coronary positioned flap in posterior maxilla: a case report

    Soft tissue dehiscence around dental implant has frequently been observed and it may lead to poor oral hygiene, especially around crowns that exhibit contours with prominent convexity. The present case demonst...

    Daisuke Ueno, Jayanetti Asiri Jayawardena in International Journal of Implant Dentistry (2015)

  5. Chapter and Conference Paper

    Can We Securely Use CBC Mode in TLS1.0?

    Currently, TLS1.0 is one of the most widely deployed protocol versions for SSL/TLS. In TLS1.0, there are only two choices for the bulk encryption, i.e., RC4 or block ciphers in the CBC mode, which have been cr...

    Takashi Kurokawa, Ryo Nojima, Shiho Moriai in Information and Communication Technology (2015)

  6. No Access

    Article

    Power line monitoring system using fiber optic power supply

    We propose a novel power-line-monitoring system using optical fibers for transmitting power as well as signal. The principle is experimentally confirmed with a system composed of a monitoring side with a 1.5-μ...

    Yosuke Tanaka, Tatsutoshi Shioda, Takashi Kurokawa, Junji Oka in Optical Review (2009)

  7. No Access

    Chapter and Conference Paper

    Current Status of Japanese Government PKI Systems

    In Japan, three government PKI systems are constructed as Bridge Model PKI, and they are also bridged with each other. Up to now, all of the three PKI systems have issued certificates mainly for digital signat...

    Yasuo Miyakawa, Takashi Kurokawa, Akihiro Yamamura in Public Key Infrastructure (2008)

  8. No Access

    Chapter and Conference Paper

    Threshold Anonymous Group Identification and Zero-Knowledge Proof

    We show that the communication efficient t-out-of-m scheme proposed by De Santis, Di Crescenzo, and Persiano [Communication-efficient anonymous group identification, ACM Conference on Computer and Communications ...

    Akihiro Yamamura, Takashi Kurokawa, Junji Nakazato in Information Security and Privacy (2007)

  9. No Access

    Article

    Waveform Measurement of Ultra-Short Optical Pulses Based on Two-Photon Absorption in Si-Image Sensor

    We demonstrate a novel waveform mesurement system of ultra-short optical pulses based on the two-photon absorption process in a Si-image sensor. Using an interferometer with a tilt mirror in the reference path...

    Koichi Aizawa, Hiroyuki Aoki, Yoshimasa Ito, Yosuke Tanaka in Optical Review (2005)

  10. Article

    Synthesis, Reactions, and Electrolyte Properties of Polymethacrylamides Having the L-threo-β-Hydroxyaspartic Acid Moiety

    The synthesis and radical polymerization of N-methacryloyl-L-threo-β-hydroxyaspartic acid dimethyl ester (MA-H-M) were carried out. The corresponding polymethacrylamide [poly(MA-H-M) with Mns 38900—484000 was obt...

    Fumio Sanda, Takashi Kurokawa, Takeshi Endo in Polymer Journal (1999)

  11. No Access

    Article

    Contribution of differentiated ratings of perceived exertion to overall exertion in women while swimming

    The purpose of this study was to identify, using multiple regression analysis, the contribution of differentiated ratings of perceived exertion to overall exertion (RPEO) in women while swimming. Ten female subje...

    Takeshi Ueda, Takashi Kurokawa in European Journal of Applied Physiology and… (1993)

  12. No Access

    Article

    Validity of heart rate and ratings of perceived exertion as indices of exercise intensity in a group of children while swimming

    The purpose of this study was to investigate the validity of heart rate (f c) and ratings of perceived exertion (RPE) as indices of exercise intensity in a group of children while swimming. Six healthy male swimm...

    Takeshi Ueda, Takashi Kurokawa in European Journal of Applied Physiology and… (1991)