KU

Kei Ueyama

HI Hitachi: 19 patents #1,906 of 28,497Top 7%
HC Hitachi Car Engineering Co.: 19 patents #19 of 465Top 5%
Overall (All Time): #241,150 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
RE42529 Thermal flow rate measuring device Izumi Watanabe, Junichi Horie, Keiichi Nakada 2011-07-12
7650784 Thermal type flow rate measuring apparatus Izumi Watanabe, Junichi Horie, Keiichi Nakada, Masamichi Yamada 2010-01-26
7559237 Air flow measuring device provided with a vent in air passage Hiromu Kikawa, Izumi Watanabe, Shinya Igarashi, Keiichi Nakada 2009-07-14
7457711 Flowmeter and flowmeter system Atsushi Kanke, Masahiro Matsumoto, Shinya Igarashi, Keiji Hanzawa 2008-11-25
7395707 Thermal type flow rate measuring apparatus Izumi Watanabe, Junichi Horie, Keiichi Nakada, Masamichi Yamada 2008-07-08
7377161 Air flow measuring device provided with a vent in air passage Hiromu Kikawa, Izumi Watanabe, Shinya Igarashi, Keiichi Nakada 2008-05-27
7216535 Air flow measuring device and engine having the air flow measuring device Hiromu Kikawa, Izumi Watanabe, Shinya Igarashi, Keiichi Nakada 2007-05-15
7201047 Air flow measuring device Hiromu Kikawa, Izumi Watanabe, Shinya Igarashi, Keiichi Nakada 2007-04-10
7104126 Thermal type flow rate measuring apparatus Izumi Watanabe, Junichi Horie, Keiichi Nakada, Masamichi Yamada 2006-09-12
7059183 Air flow measuring device Hiromu Kikawa, Izumi Watanabe, Shinya Igarashi, Keiichi Nakada 2006-06-13
7032446 Flowrate measuring device with improved flow introduction into sub-passage outlet Keiichi Nakada, Izumi Watanabe, Junichi Horie, Hiromu Kikawa, Masamichi Yamada 2006-04-25
6935172 Thermal type flow measuring device Junichi Horie, Izumi Watanabe, Shinya Igarashi, Keiichi Nakada 2005-08-30
6925866 Thermal type flow rate measuring apparatus Izumi Watanabe, Junichi Horie, Keiichi Nakada, Masamichi Yamada 2005-08-09
6854326 Measurement apparatus for measuring physical quantity such as fluid flow Izumi Watanabe, Naoki Saito, Masayuki Kozawa, Keiichi Nakada 2005-02-15
6839643 Flowmeter and flowmeter system Atsushi Kanke, Masahiro Matsumoto, Shinya Igarashi, Keiji Hanzawa 2005-01-04
6708560 Measurement apparatus for measuring physical quantity such as fluid flow Izumi Watanabe, Naoki Saito, Masayuki Kozawa, Keiichi Nakada 2004-03-23
6694810 Air flow meter Izumi Watanabe, Keiichi Nakada, Junichi Horie 2004-02-24
6571621 Thermal flow rate measuring device Izumi Watanabe, Junichi Horie, Keiichi Nakada 2003-06-03
6516785 Air flow sensor Keiichi Nakada, Izumi Watanabe, Hiroshi Yoneda, Masamichi Yamada 2003-02-11