OHASHI, Keishi

J-GLOBAL         Last updated: Jun 7, 2019 at 02:47
OHASHI, Keishi
Waseda University
Research Council (Research Organization)/Affiliated organization Research Organization for Nano & Life Innovation
Job title
Senior Researcher(Professor)
Dr. Engineering(Nagoya University)
Research funding number

Research Interests


Research Areas


Academic & Professional Experience

May 1998
Mar 2014
Senior Manager, Research Fellow, etc., Central Research Labs, NEC Corporation
Oct 2004
Mar 2006
Team Leader, Frontier Research Programs, Investigative Research Team for Long Wavelength Light, RIKEN
Apr 2006
May 2011
Program Manager, Semiconductor Leading Edge Technologies, Inc.
Apr 2014
Mar 2015
Senior Researcher (Professor), Institute of Nanoscience & Nanotechnology, Waseda University
Apr 2015
Senior Researcher (Professor), Research Organization for Nano & Life Innovation, Waseda Univeristy

Committee Memberships

Apr 1999
Mar 2005
The Magnetics Society of Japan  Councilor
Apr 2001
Mar 2003
Advanced Machining Technology & Development Association  Committee Member, Committee on Research Study for 3D Micromachining of Functional Materials
Apr 2006
Mar 2012
Semiconductor Industry Association in Japan (The JEITA Semiconductor Board)  Committee Member, Arrangement Committee for INC
Aug 2006
Jul 2010
Institute of Electronics Information & Communication Engineers  Vice-Chair, Technical Group on Silicon Photonics
The Electrochemical Society  Organizer, Integrated Optoelectronics

Awards & Honors

Oct 2015
Animal Physiological Balance, The Highest Award, Demo Day, Waseda Enhancing Development of Global Entrepreneur Program
Winner: Keishi Ohashi, Mikiko Shimaoka, Yuusuke Maruyama, Kousuke Kataoka
Aug 2006
Si Nano-Photodiode with a Surface Plasmon Antenna, Paper Award, Japan Society of Applied Physics
Winner: Tsutom Ishi, Kikuo Makita, Toshio Baba, Keishi Ohashi
Mar 2006
Development and Practical Use of the Electrodeposited CoFeNi Alloy Film for a High Density Magnetic Recording Head, Technical Award, Surface Finishing Society of Japan
Winner: Tetsuya Osaka, Madoka Takai, Keishi Ohashi, Mikiko Saito, Yoshifumi Mizoshita, Yoshio Koshikawa

Published Papers

Ohashi, Keishi; Kuroiwa, Shigeki; Hideshima, Sho; Nakanishi, Takuya; Osaka, Tetsuya
Electronics and Communications in Japan   100(9) 50-55   Sep 2017
© 2017 Wiley Periodicals, Inc. The concept of unobtrusive physiological balance sensing system implementing biosensors is discussed. Biosensors connected with a data system are expected to play a significant role when we extend the sensing objects...
Ohashi, Keishi; Osaka, Tetsuya
ECS Transactions   75(39) 1-9   Jan 2017   [Refereed][Invited]
A biosensing system is commercialized based on a concept of physiological balance for healthcare. The addition of low-cost biochemical sensors to the sensing system would help with scientific prescriptions based on contemporary medicine. As a cand...
Ohashi Keishi;Kuroiwa Shigeki;Hideshima Sho;Nakanishi Takuya;Osaka Tetsuya
IEEJ Transactions on Sensors and Micromachines   136(8) 357-361   Aug 2016   [Refereed]
The concept of unobtrusive physiological balance sensing system implementing biosensors is discussed. Biosensors connected with a data system is expected to play a significant role when we extend the sensing objects from body to mind and spirit. H...
Hattori, Wataru; Ohashi, Keishi; Fukuda, Hiroshi
2014 International Conference on the Internet of Things, IOT 2014   103-107   Oct 2014
© 2014 IEEE. We propose tag-antenna-based sensing (TABS) for detecting objects and people using a low-cost near-field traveling-wave reader antenna. This technology is inspired by TABS, which enables the use of ordinary far-field radio-frequency i...
K. Ohashi
Magnetics Japan   8(6) 288-291   Dec 2013

Books etc

Group IV Photonics for Sensing and Imaging
K. Ohashi, R. A. Soref, G. Roelkins, H. Minamide, and Y. Ishikawa, editors (Part:Editor)
Cambridge University Press   Jun 2013   ISBN:978-1627482417
Chapter 21 'Optical Devices ' in "Silicon-Germanium Nanostructures" edited by Y. Shiraki and N. Usami
Keishi Ohashi (Part:Contributor)
Woodhead Publishing   Feb 2011   ISBN:978-1845696894

Conference Activities & Talks

Gradient tint smart window using metallo-supramolecular polymer
Masayoshi Higuchi, Yuki Seino, Keishi Ohashi
67th Annual Conference of The Society of Polymer Science, Japan   24 May 2018   The Society of Polymer Science, Japan
Metallo-supramolecular polymer is a new type polymer composed of metal ions and multitopic organic ligands. The polymer is expected to show unique electrochemical and/or optical properties due to the electronic interaction between the metals and...
Shigeki Kuroiwa, Ryota Takibuchi, Akane Matsuzaka, Sho Hideshima, Naoto Kaneko, Hirotaka Minagawa, Katsunori Horii, Iwao Waga, Takuya Nakanishi, Keishi Ohashi, Toshiyuki Momma, Tetsuya Osaka
232nd ECS Meeting   1 Oct 2017   The Electrochemical Society
The sensing of biomarkers in the body is very effective for diagnosis of disease and monitoring of human health condition. However, blood sampling of mental stress markers is stressful for those who do not feel serious health concerns when they wa...
Keishi Ohashi
3rd International Workshop on Chromogenic Materials and Devices   27 Sep 2017   National Institute for Materials Science (NIMS)
Keishi Ohashi and Tetsuya Osaka
Pacific Rim Meeting on Electrochemical and Solid-State Science 2016   4 Oct 2016   The Electrochemical Society
Sensor network systems using mobile phones with several physical sensors can collect big data related to human health. The addition of low-cost chemical sensors to the sensor system increases the scientific prescription based on contemporary medic...
Unobtrusive sensing system for biological materials [Invited]
Keishi Ohashi
Conference for BioSignal and Medicine 2016   29 Sep 2016   

Research Grants & Projects

Ultrafast, ultralow-power, ultralarge-area electrochromism
Japan Science and Technology Agency: Strategic Basic Research Program
Project Year: Oct 2015 - Mar 2021


Aug 2015
Recognized as a "Super EDGE Global Entrepreneur", WASEDA-EDGE Program for Development of Global Entrepreneurs, Waseda University