KN

Keiichi Nakada

HI Hitachi: 43 patents #413 of 28,497Top 2%
HC Hitachi Car Engineering Co.: 35 patents #3 of 465Top 1%
HS Hitachi Automotive Systems: 2 patents #689 of 1,636Top 45%
SA Showa Aluminum: 1 patents #122 of 253Top 50%
Overall (All Time): #63,221 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 25 most recent of 46 patents

Patent #TitleCo-InventorsDate
10260921 Thermal flow meter Jiro Taniguchi, Yasuhiro Asano, Hiroshi Hirayama, Kazunori Suzuki 2019-04-16
9297677 Gas flow rate measuring apparatus for minimizing temperature dependent errors Kazunori Suzuki, Ryo Sato 2016-03-29
RE42529 Thermal flow rate measuring device Izumi Watanabe, Junichi Horie, Kei Ueyama 2011-07-12
7721599 Reduced resistance thermal flow measurement device Masahiro Matsumoto, Hiroshi Nakano, Masamichi Yamada, Keiji Hanzawa, Izumi Watanabe +1 more 2010-05-25
7650784 Thermal type flow rate measuring apparatus Izumi Watanabe, Junichi Horie, Kei Ueyama, Masamichi Yamada 2010-01-26
7631555 Thermal flowmeter for measuring a flow rate of fluid Hiroshi Nakano, Masamichi Yamada, Masahiro Matsumoto, Izumi Watanabe, Keiji Hanzawa 2009-12-15
7624633 Fluid flow sensor and fluid flow measurement device Junichi Horie, Hiroshi Nakano, Izumi Watanabe 2009-12-01
7559237 Air flow measuring device provided with a vent in air passage Hiromu Kikawa, Izumi Watanabe, Shinya Igarashi, Kei Ueyama 2009-07-14
7555944 Physical quantity sensor Hiroshi Nakano, Masahiro Matsumoto, Masamichi Yamada, Izumi Watanabe 2009-07-07
7409859 Thermal type flow measuring apparatus Izumi Watanabe, Junichi Horie 2008-08-12
7395707 Thermal type flow rate measuring apparatus Izumi Watanabe, Junichi Horie, Kei Ueyama, Masamichi Yamada 2008-07-08
7377161 Air flow measuring device provided with a vent in air passage Hiromu Kikawa, Izumi Watanabe, Shinya Igarashi, Kei Ueyama 2008-05-27
7337661 Thermal fluid flow meter having heat-generating resistor and temperature adjuster therefor Masamichi Yamada, Masahiro Matsumoto, Hiroshi Nakano, Izumi Watanabe 2008-03-04
7287424 Thermal type flow measurement apparatus having asymmetrical passage for flow rate measurement Masahiro Matsumoto, Masamichi Yamada, Hiroshi Nakano, Keiji Hanzawa 2007-10-30
7270000 Fluid flow sensor and fluid flow measurement device Junichi Horie, Hiroshi Nakano, Izumi Watanabe 2007-09-18
7228614 Method of manufacturing a gas flow meter Masamichi Yamada, Junichi Horie, Izumi Watanabe 2007-06-12
7225669 Heating resistance flow rate measuring apparatus Masahiro Matsumoto, Masamichi Yamada, Hiroshi Nakano, Izumi Watanabe, Keiji Hanzawa 2007-06-05
7216535 Air flow measuring device and engine having the air flow measuring device Hiromu Kikawa, Izumi Watanabe, Shinya Igarashi, Kei Ueyama 2007-05-15
7201047 Air flow measuring device Hiromu Kikawa, Izumi Watanabe, Shinya Igarashi, Kei Ueyama 2007-04-10
7181962 Thermal flow sensor Masamichi Yamada, Izumi Watanabe, Junichi Horie 2007-02-27
7137298 Thermal air flowmeter Masahiro Matsumoto, Masamichi Yamada, Izumi Watanabe, Keiji Hanzawa 2006-11-21
7104126 Thermal type flow rate measuring apparatus Izumi Watanabe, Junichi Horie, Kei Ueyama, Masamichi Yamada 2006-09-12
7059183 Air flow measuring device Hiromu Kikawa, Izumi Watanabe, Shinya Igarashi, Kei Ueyama 2006-06-13
7032446 Flowrate measuring device with improved flow introduction into sub-passage outlet Izumi Watanabe, Junichi Horie, Kei Ueyama, Hiromu Kikawa, Masamichi Yamada 2006-04-25
6988399 Physical quantity detecting device having second lead conductors connected to the electrodes and extending to the circumference of the substrate Izumi Watanabe, Masamichi Yamada 2006-01-24