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Koichiro Sawa
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2020 – today
- 2020
- [j17]Koichiro Sawa, Yoshitada Watanabe, Takahiro Ueno, Hirotasu Masubuchi:
A Study on Contact Voltage Waveform and Its Relation with Deterioration Process of AgPd Brush and Au-Plated Slip-Ring System with Lubricant. IEICE Trans. Electron. 103-C(12): 705-712 (2020)
2010 – 2019
- 2019
- [j16]Takeshi Aoki, Kenjiro Hamada, Kiyoshi Yoshida, Koichiro Sawa:
Technical Trends and International Standardization Activities in Electromagnetic Relays for Control Systems. IEICE Trans. Electron. 102-C(9): 628-635 (2019) - 2017
- [j15]Masayuki Isato, Koichiro Sawa, Takahiro Ueno:
Commutation Phenomena and Brush Wear of DC Motor at High Speed Rotation. IEICE Trans. Electron. 100-C(9): 716-722 (2017) - [j14]Shin-ichi Wada, Koichiro Sawa:
A Method for Evaluating Degradation Phenomenon of Electrical Contacts Using a Micro-Sliding Mechanism - Minimal Sliding Amplitudes against Input Waveforms (2) -. IEICE Trans. Electron. 100-C(9): 723-731 (2017) - 2016
- [j13]Shin-ichi Wada, Koichiro Sawa:
A Method for Evaluating Degradation Phenomenon of Electrical Contacts Using a Micro-Sliding Mechanism - Minimal Sliding Amplitudes against Input Waveforms -. IEICE Trans. Electron. 99-C(9): 999-1008 (2016) - [j12]Koichiro Sawa, Masatoshi Tsuruoka, Makito Morii:
Fundamental Characteristics of Arc Extinction at DC Low Current Interruption with High Voltage (<500V). IEICE Trans. Electron. 99-C(9): 1016-1022 (2016) - 2013
- [j11]Shin-ichi Wada, Koichiro Sawa:
Evaluation of Basic Dynamical Parameters in Printed Circuit Board - Mass, Force, and Acceleration -. IEICE Trans. Electron. 96-C(9): 1165-1172 (2013) - 2012
- [j10]Koichiro Sawa, Yasunori Suzuki, Noboru Morita, Kaoru Endo, Takahiro Ueno:
Effect of Lubricant on Lifetime of Au-Plated Slip-Ring and Ag-Pd-Cu Brush System for Small Electric Power. IEICE Trans. Electron. 95-C(9): 1465-1472 (2012) - [j9]Kiyoshi Yoshida, Koichiro Sawa, Kenji Suzuki, Masaaki Watanabe:
Influence of Arc Discharge on Contact Resistance of AgNi Contacts for Electromagnetic Contactors. IEICE Trans. Electron. 95-C(9): 1531-1534 (2012) - 2011
- [j8]Kiyoshi Yoshida, Koichiro Sawa, Kenji Suzuki, Masaaki Watanabe:
Influence of Voltage on Arc Characteristics and Electrode Mass Change of AgNi Contacts for Electromagnetic Contactors. IEICE Trans. Electron. 94-C(9): 1395-1401 (2011) - 2010
- [j7]Koichiro Sawa, Takahiro Ueno, Hidenori Tanaka:
A Study on Wear of Brush and Carbon Flat Commutator of DC Motor for Automotive Fuel Pump. IEICE Trans. Electron. 93-C(9): 1443-1448 (2010)
2000 – 2009
- 2007
- [j6]Hiroyuki Fujita, Katsuya Fukuda, Koichiro Sawa, Masaru Tomita, Masato Murakami, Naomichi Sakai, Izumi Hirabayashi:
Consideration on Contact Mechanism of YBaCuO Bulk Superconductor with Deposited Metal Layer. IEICE Trans. Electron. 90-C(7): 1421-1428 (2007) - [j5]Koichi Koibuchi, Koichiro Sawa, Takashi Honma, Takumi Hayashi, Kuniyoshi Ueda, Hiroshi Sasaki:
Numerical Study on Electromagnetisms and Material Characteristics of Magnetic Flux Shield for Eddy-Current Type Proximity Sensor. IEICE Trans. Electron. 90-C(7): 1497-1503 (2007) - [j4]Ryoichi Honbo, Youichi Murakami, Koichiro Sawa, Hiroyuki Wakabayashi, Naruhiko Inayoshi, Kyoji Inukai, Takeshi Shimoyama, Naoki Morita:
Development of the Lead-Free Brush Material for the High-Load Starter. IEICE Trans. Electron. 90-C(8): 1634-1642 (2007) - 2005
- [j3]Yu Yonezawa, Noboru Wakatsuki, Yoshio Satoh, Tadashi Nakatani, Koichiro Sawa:
Fabrication Process of Nonarcing Power MEMS Switch. IEICE Trans. Electron. 88-C(8): 1629-1634 (2005) - [j2]Ryoichi Honbo, Koichiro Sawa, Youichi Murakami, Hiroyuki Wakabayashi, Naruhiko Inayoshi, Kyoji Inukai, Takeshi Shimoyama, Naoki Morita:
Development of the Lead-Free Carbon Brush Material for Starters. IEICE Trans. Electron. 88-C(8): 1675-1681 (2005) - [j1]Koichi Koibuchi, Koichiro Sawa, Takashi Honma, Takumi Hayashi, Kuniyoshi Ueda, Hiroshi Sasaki:
Characteristic Analysis and Enhancement of Sensing Property for Eddy-Current Type Proximity Sensor. IEICE Trans. Electron. 88-C(8): 1696-1703 (2005)
Coauthor Index
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