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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 42  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2023-03-17
14:35
Toyama Toyama Prefectural Civic Hall
(Primary: On-site, Secondary: Online)
Design of Reconfigurable Reflectarray Antennas on Flexible Substrate with Varactor Diodes Mounted on Slot-Coupled Microstrip Lines
Yuki Takeda, Takashi Tomura, Hiraku Sakamoto (Titech) AP2022-250
In this paper, we propose reconfigurable reflectarray antennas with varactor diodes on flexible substrate. Diodes are mo... [more] AP2022-250
pp.93-96
AP, MW
(Joint)
2022-09-14
10:35
Ehime The Museum of Art, EHIME
(Primary: On-site, Secondary: Online)
Reflection Phase Control by Varactor Diodes for Reflectarray Antennas on Flexible Substrate
Yuki Takeda, Takashi Tomura, Hiraku Sakamoto (Tokyo tech) AP2022-71
In this paper, control of reflection phase of the reflectarray antenna composed of a flexible substrate by varactor diod... [more] AP2022-71
pp.1-4
LOIS 2022-03-03
14:50
Online Online Approach to In-House Development and Visualization in Kagawa University
Soma Ishikawa (Kagawa Grad.), Satoru Yamada (Kagawa Grad./Ricoh), Hiroki Asakimori (Ricoh), Norihumi Suehiro, Hiroyuki Takeda, Rihito Yaegashi (Kagawa Univ.) LOIS2021-44
Kagawa University’s Information and Media Center organized the “DX Promotion Division”, “DX Lab” and “DX Project Team” t... [more] LOIS2021-44
pp.28-33
ICTSSL, IEE-SMF, IN 2021-10-21
11:40
Online Online [Invited Talk] Promoting of DX in Kagawa University Using Agile Development Based on Hypothesis Verification
Rihito Yaegashi, Satoru Yamada, Hiroki Asakimori, Takayuki Kunieda, Naka Gotoda, Yusuke Kometani, Norifumi Suehiro, Hiroyuki Takeda (Kagawa Univ) IN2021-17
The development of a new system or service is not a sure thing.
A new development method that determines the Minimum Vi... [more]
IN2021-17
pp.13-18
AP 2021-10-07
14:25
Online Online [Poster Presentation] A Study of Deformation Compensation for Deployment of a Foldable and Storable Reflectarray Antenna
Yuki Takeda, Takashi Tomura, Hiraku Sakamoto (Tokyo Tech) AP2021-89
Satellite onboard antennas are stored on the ground and deployed in orbit due to the volume limitation at launch. Conven... [more] AP2021-89
pp.78-81
OPE, LQE 2020-11-20
15:30
Online Online Wavelength characteristics of Nb2O5 horizontal SiO2 slot waveguides with vertical grating.
Yoshiki Hayama, Naoya Katsumata, Katsumi Nakatsuhara, Masayuki Takeda, Takeshi Nishizawa (KAIT) OPE2020-68 LQE2020-48
The slot waveguide structures consists of a low-refractive-index medium in a narrow region sandwiched between two high-r... [more] OPE2020-68 LQE2020-48
pp.116-121
HCGSYMPO
(2nd)
2019-12-11
- 2019-12-13
Hiroshima Hiroshima-ken Joho Plaza (Hiroshima) Evaluation metrics of Non-contact Operation in Active Learning Environment
Daichi Yokoyama, Yuki Takeda, Noboru Nakamichi, Takashi Yamanoue (Fukuyama Univ.), Keita Watanabe (M3, Inc.)
We envision group learning in front of the display. At that time, the facilitator points out the problem on display usin... [more]
HCGSYMPO
(2nd)
2019-12-11
- 2019-12-13
Hiroshima Hiroshima-ken Joho Plaza (Hiroshima) Effect on usability of virtual touch panel using optical feedback for dialysis patients' bed
Yuki Takeda, Daichi Yokoyama, Noboru Nakamichi (Fukuyama Univ.), Rieko Inaba (Tsuda Univ.), Keita Watanabe (M3, Inc.), Toshiya Yamada (NTT TechnoCross Corp.)
We propose an optical feedback to visualize the virtual touch panel used in the prototype dialysis patient bed. Projecti... [more]
COMP 2019-10-25
15:45
Hokkaido Sapporo Campus, Hokkaido University Minimal Unique Substrings in a Sliding Window
Takuya Mieno, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda (Kyushu Univ.) COMP2019-26
A substring $u$ of a string $T$ is called a minimal unique substring (MUS) of $T$ if $u$ occurs exactly once in $T$ and ... [more] COMP2019-26
pp.57-62
LQE, OPE, SIPH 2018-12-06
17:10
Tokyo Keio University Study on fabrication of Nb2O5 waveguides for optical switches with Ferro-electric Liquid Crystal cladding
Shinta Uchibori, Yoshiki Hayama, Masayuki Takeda, Takeshi Nishizawa, Katsumi Nakatsuhara (KAIT) OPE2018-122 LQE2018-132 SIPH2018-38
(To be available after the conference date) [more] OPE2018-122 LQE2018-132 SIPH2018-38
pp.125-130
LQE, OPE, SIPH 2018-12-06
17:10
Tokyo Keio University Selective formation of magnetic garnet thin films on silicon substrates
Natsuki Iijima, Taka Yamaguchi, Masayuki Takeda, Takeshi Nishizawa, Katsumi Nakatsuhara (KAIT), Satoru Noge (Numazu NCT), Yuya Shoji, Tetsuya Mizumoto (Tokyo Tech) OPE2018-126 LQE2018-136 SIPH2018-42
 [more] OPE2018-126 LQE2018-136 SIPH2018-42
pp.143-148
LQE, OPE, SIPH 2018-12-06
17:10
Tokyo Keio University Wavelength characteristic shift operation of a Nb2O5 waveguide resonator with distributed Bragg reflectors having ferro-electric liquid crystal
Sho Inamori, Yoshiki Hayama, Masayuki Takeda, Takeshi Nishizawa, Katsumi Nakatsuhara (KAIT) OPE2018-128 LQE2018-138 SIPH2018-44
(To be available after the conference date) [more] OPE2018-128 LQE2018-138 SIPH2018-44
pp.155-160
OPE, OCS, OFT
(Joint) [detail]
2018-02-15
14:00
Okinawa Okinawa Prefectural Museum A study and theoretical analysis of horizontal slot waveguide using Nb2O5
Toshihiro Ochiai, Masayuki Takeda, Takeshi Nishizawa, Katsumi Nakatsuhara (KAIT) OCS2017-80 OFT2017-70 OPE2017-170
Horizontal slot waveguides formed by thin film deposition have the feature of strongly confining light in the lower refr... [more] OCS2017-80 OFT2017-70 OPE2017-170
pp.7-10
OPE 2017-12-07
13:15
Okinawa   [Poster Presentation] Theoretical characteristics and fabrication process of FLC loading MZI type optical switch using Nb2O5 waveguide
Shinta Uchibori, Masayuki Takeda, Takeshi Nishizawa, Katsumi Nakatsuhara (KAIT) OPE2017-101
We have been studying optical waveguide devices loading FLC (Ferro-electric liquid crystal). Ferro-electric liquid cryst... [more] OPE2017-101
pp.63-68
OPE 2017-12-07
13:15
Okinawa   [Poster Presentation] Fabrication and evaluation of magnetic garnet thin films on silicon substrates
Natsuki Iijima, Kazuki Isiguro, Masayuki Takeda, Takeshi Nishizawa, Katumi Nakatsuhara (KAIT), Satoru Noge (NIT, Numazu College), Tetsuya Mizumoto, Yuya Shoji (Tokyo Tech) OPE2017-109
A magneto-optical isolator is indispensable for protecting optical devices from unwanted reflections. The isolator emplo... [more] OPE2017-109
pp.103-106
MW 2017-06-23
11:10
Aichi A-101, Wing-A, Toyohashi University of Technology In-Body/Out-Body Millimeter-Wave Antenna with Vertical Lecher Line
Naoyuki Takeda, Takuto Saito, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) MW2017-28
Recently, application of wireless communication technology to the medical field has advanced. We are aiming to realize m... [more] MW2017-28
pp.37-42
OPE 2016-12-08
16:35
Okinawa   Wavelength characteristics of a Si3N4 waveguide resonator with distributed Bragg reflectors for optical tunable filters having ferro-electric liquid crystal
Sho Inamori, Kentaro Sakakibara, Masayuki Takeda (kanagawa Inst. of Tech.), Noritsugu Yamamoto (AIST), Katsumi Nakatsuhara (kanagawa Inst. of Tech.) OPE2016-108
Ferro-electric liquid crystal (FLC) materials have the high speed response time of sub-milliseconds. In addition, FLC ma... [more] OPE2016-108
pp.23-28
OPE, OME 2015-11-26
15:50
Kagawa Sunport-hall Takamatsu Switching characteristics of a tunable wavelength filter using Si-AWG and FLC
Wataru Kanakubo, Daisuke Kimura, Kenta Tamura, Masayuki Takeda, Katsumi Nakatsuhara (KAIT) OME2015-68 OPE2015-134
We proposed and fabricated a tunable wavelength filter using an arrayed waveguide grating (AWG) featuring ferroelectric ... [more] OME2015-68 OPE2015-134
pp.19-24
OPE, LQE, OCS 2015-10-30
13:00
Oita Beppu International Convention Center Fabrication of phased array waveguides for optical switches featuring liquid crystal cladding
Wataru Kanakubo, Masayuki Takeda, Katsumi Nakatsuhara (KAIT) OCS2015-62 OPE2015-112 LQE2015-81
(Advance abstract in Japanese is available) [more] OCS2015-62 OPE2015-112 LQE2015-81
pp.107-110
CPM, OPE, LQE, R, EMD 2015-08-27
15:25
Aomori Aomori-Bussankan-Asupamu Evaluation of propagation loss of Si waveguides loaded with Ce:YIG film using Asymmetric Mach-Zehnder waveguides
Masato Seido, Masayuki Takeda, Katsumi Nakatsuhara (KAIT), Satoru Noge (NIT), Tetsuya Mizumoto (Tokyo Tech) R2015-30 EMD2015-38 CPM2015-54 OPE2015-69 LQE2015-38
 [more] R2015-30 EMD2015-38 CPM2015-54 OPE2015-69 LQE2015-38
pp.39-43
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