KO

Koji Obata

PA Panasonic: 12 patents #2,079 of 21,108Top 10%
HI Hitachi: 11 patents #3,813 of 28,497Top 15%
SO Sony: 11 patents #4,043 of 25,231Top 20%
HS Hitachi Automotive Systems: 3 patents #507 of 1,636Top 35%
Overall (All Time): #87,617 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 25 most recent of 37 patents

Patent #TitleCo-InventorsDate
12278647 A/D converter and sensor system including the same Jun'ichi Naka 2025-04-15
12206430 A/D converter 2025-01-21
11916563 Analog-to-digital converter, sensor processing circuit, and sensor system Jun'ichi Naka, Junji Nakatsuka, Hiroki Yoshino, Masaaki Nagai 2024-02-27
11677411 A/D converter, sensor processing circuit, and sensor system Junji Nakatsuka, Hiroki Yoshino, Jun'ichi Naka, Masaaki Nagai 2023-06-13
11664815 Digital filter, A/D converter, sensor processing circuit, and sensor system Masaaki Nagai, Hiroki Yoshino, Junji Nakatsuka, Jun'ichi Naka 2023-05-30
11611349 Analog-to-digital converter, sensor system , and test system Jun'ichi Naka, Junji Nakatsuka, Hiroki Yoshino, Masaaki Nagai 2023-03-21
11033176 Medical system, medical device, and medical method Makoto Korehisa, Kazumi Sato, Kan IIBUCHI, Kazunori Yamamoto 2021-06-15
10340868 Amplifier circuit including first input branch circuit, second input branch circuit, feedback capacitor, and operational amplifier and pulse-wave measuring device Kazuo Matsukawa 2019-07-02
10024896 Inverter-driven rotary electric machine, phase-to-phase insulation partial discharge inspection method and phase-to-phase insulation partial discharge inspection apparatus 2018-07-17
9851394 Partial-discharge measurement method and high-voltage device inspected using same Hiroaki Kojima 2017-12-26
9705372 Rotating electric machine and method of manufacturing same Yoshimi Kurahara, Shuya Hagiwara 2017-07-11
9287887 DEM circuit, delta-sigma modulator, D/A converter, and wireless communication device Kazuo Matsukawa, Yosuke Mitani 2016-03-15
9178530 Delta sigma modulator, as well as receiver device and wireless communication device provided with same Yosuke Mitani, Kazuo Matsukawa, Shiro Dosho 2015-11-03
9097768 Method for testing an inverter drive rotating electric machine Yutaka Higashimura, Keiji Suzuki 2015-08-04
9018970 Method of testing partial discharge of rotating electrical machine driven by inverter Yutaka Higashimura, Keiji Suzuki 2015-04-28
8981699 Rotating electric machine for electric vehicle, drive control device and insulation diagnosis method Yutaka Matsunobu 2015-03-17
8937567 Delta-sigma modulator, integrator, and wireless communication device Kazuo Matsukawa, Yosuke Mitani, Shiro Dosho 2015-01-20
8872684 Resonant filter, delta-sigma A/D converter, and semiconductor device Kazuo Matsukawa, Yosuke Mitani 2014-10-28
8823567 Resonator, delta-sigma modulator, and wireless communication device Yosuke Mitani, Kazuo Matsukawa, Masao Takayama, Shiro Dosho 2014-09-02
8400029 Rotating electrical machine having a plurality of cooling medium paths Shinji Sugimoto, Akiyoshi Komura, Takashi Ishigami, Satoshi Kikuchi 2013-03-19
7952245 Power distribution unit for rotary electric machine with linear conductor connecting ring having terminal section with axially extending hole for connecting stator coil, and method for assembling rotary electric machine Toshiaki Ueda, Katsuhiro Hoshino, Shin Onose, Akira Toba 2011-05-31
7940805 Receiving device, clock synchronizing method, and computer program Takahiro Ichikawa, Tomoyuki Sato, Yoshikatsu Niwa, Junichi Otani, Tomoaki Takemura +1 more 2011-05-10
7936100 Stator for rotating machine and rotating machine using the same Takashi Naganawa, Takashi Ishigami, Toshiaki Ueda, Katsuhiro Hoshino 2011-05-03
7764042 Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the same Yutaka Matsunobu, Takashi Yasuhara, Takayuki Koizumi 2010-07-27
7659651 Rotating electric machine, winding machine, and rotating electric machine system Masaharu Senoo, Takeshi Obata, Akihiro Sekine, Mituru Itou, Takashi Yasuhara +1 more 2010-02-09