Koichiro Sawa

According to our database, Koichiro Sawa authored at least 17 papers between 2005 and 2020.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2020

A Study on Contact Voltage Waveform and Its Relation with Deterioration Process of AgPd Brush and Au-Plated Slip-Ring System with Lubricant.

Koichiro Sawa, Yoshitada Watanabe, Takahiro Ueno, Hirotasu Masubuchi

IEICE Trans. Electron., 2020

2019

Technical Trends and International Standardization Activities in Electromagnetic Relays for Control Systems.

Takeshi Aoki, Kenjiro Hamada, Kiyoshi Yoshida, Koichiro Sawa

IEICE Trans. Electron., 2019

2017

A Method for Evaluating Degradation Phenomenon of Electrical Contacts Using a Micro-Sliding Mechanism - Minimal Sliding Amplitudes against Input Waveforms (2) -.

Shin-ichi Wada, Koichiro Sawa

IEICE Trans. Electron., 2017

Commutation Phenomena and Brush Wear of DC Motor at High Speed Rotation.

Masayuki Isato, Koichiro Sawa, Takahiro Ueno

IEICE Trans. Electron., 2017

2016

A Method for Evaluating Degradation Phenomenon of Electrical Contacts Using a Micro-Sliding Mechanism - Minimal Sliding Amplitudes against Input Waveforms -.

Shin-ichi Wada, Koichiro Sawa

IEICE Trans. Electron., 2016

Fundamental Characteristics of Arc Extinction at DC Low Current Interruption with High Voltage (<500V).

Koichiro Sawa, Masatoshi Tsuruoka, Makito Morii

IEICE Trans. Electron., 2016

2013

Evaluation of Basic Dynamical Parameters in Printed Circuit Board - Mass, Force, and Acceleration -.

Shin-ichi Wada, Koichiro Sawa

IEICE Trans. Electron., 2013

2012

Influence of Arc Discharge on Contact Resistance of AgNi Contacts for Electromagnetic Contactors.

Kiyoshi Yoshida, Koichiro Sawa, Kenji Suzuki, Masaaki Watanabe

IEICE Trans. Electron., 2012

Effect of Lubricant on Lifetime of Au-Plated Slip-Ring and Ag-Pd-Cu Brush System for Small Electric Power.

Koichiro Sawa, Yasunori Suzuki, Noboru Morita, Kaoru Endo, Takahiro Ueno

IEICE Trans. Electron., 2012

2011

Influence of Voltage on Arc Characteristics and Electrode Mass Change of AgNi Contacts for Electromagnetic Contactors.

Kiyoshi Yoshida, Koichiro Sawa, Kenji Suzuki, Masaaki Watanabe

IEICE Trans. Electron., 2011

2010

A Study on Wear of Brush and Carbon Flat Commutator of DC Motor for Automotive Fuel Pump.

Koichiro Sawa, Takahiro Ueno, Hidenori Tanaka

IEICE Trans. Electron., 2010

2007

Numerical Study on Electromagnetisms and Material Characteristics of Magnetic Flux Shield for Eddy-Current Type Proximity Sensor.

Koichi Koibuchi, Koichiro Sawa, Takashi Honma, Takumi Hayashi, Kuniyoshi Ueda, Hiroshi Sasaki

IEICE Trans. Electron., 2007

Development of the Lead-Free Brush Material for the High-Load Starter.

Ryoichi Honbo, Youichi Murakami, Koichiro Sawa, Hiroyuki Wakabayashi, Naruhiko Inayoshi, Kyoji Inukai, Takeshi Shimoyama, Naoki Morita

IEICE Trans. Electron., 2007

Consideration on Contact Mechanism of YBaCuO Bulk Superconductor with Deposited Metal Layer.

Hiroyuki Fujita, Katsuya Fukuda, Koichiro Sawa, Masaru Tomita, Masato Murakami, Naomichi Sakai, Izumi Hirabayashi

IEICE Trans. Electron., 2007

2005

Fabrication Process of Nonarcing Power MEMS Switch.

Yu Yonezawa, Noboru Wakatsuki, Yoshio Satoh, Tadashi Nakatani, Koichiro Sawa

IEICE Trans. Electron., 2005

Characteristic Analysis and Enhancement of Sensing Property for Eddy-Current Type Proximity Sensor.

Koichi Koibuchi, Koichiro Sawa, Takashi Honma, Takumi Hayashi, Kuniyoshi Ueda, Hiroshi Sasaki

IEICE Trans. Electron., 2005

Development of the Lead-Free Carbon Brush Material for Starters.

Ryoichi Honbo, Koichiro Sawa, Youichi Murakami, Hiroyuki Wakabayashi, Naruhiko Inayoshi, Kyoji Inukai, Takeshi Shimoyama, Naoki Morita

IEICE Trans. Electron., 2005