IW

Izumi Watanabe

HI Hitachi: 62 patents #151 of 28,497Top 1%
HC Hitachi Car Engineering Co.: 45 patents #2 of 465Top 1%
Fujitsu Limited: 9 patents #3,538 of 24,456Top 15%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
HC Hitachi Automotive Engineering Co.: 5 patents #22 of 314Top 8%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
TS Toshiba Medical Systems: 1 patents #656 of 1,088Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #23,939 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 1–25 of 78 patents

Patent #TitleCo-InventorsDate
8779337 Thermal type flow sensor having bridge circuit and adjustment circuit Hiroshi Nakano, Masamichi Yamada, Masahiro Matsumoto 2014-07-15
8217320 Thermal type flow sensor Hiroshi Nakano, Masamichi Yamada, Masahiro Matsumoto 2012-07-10
8203102 Thermal type flow sensor Hiroshi Nakano, Masamichi Yamada, Masahiro Matsumoto 2012-06-19
RE42529 Thermal flow rate measuring device Junichi Horie, Keiichi Nakada, Kei Ueyama 2011-07-12
7721599 Reduced resistance thermal flow measurement device Masahiro Matsumoto, Hiroshi Nakano, Masamichi Yamada, Keiji Hanzawa, Keiichi Nakada +1 more 2010-05-25
7685874 Thermal type flow sensor with a constricted measuring passage Hiroshi Nakano, Masamichi Yamada, Masahiro Matsumoto 2010-03-30
7650784 Thermal type flow rate measuring apparatus Junichi Horie, Keiichi Nakada, Kei Ueyama, Masamichi Yamada 2010-01-26
7631555 Thermal flowmeter for measuring a flow rate of fluid Hiroshi Nakano, Masamichi Yamada, Masahiro Matsumoto, Keiji Hanzawa, Keiichi Nakada 2009-12-15
7624633 Fluid flow sensor and fluid flow measurement device Keiichi Nakada, Junichi Horie, Hiroshi Nakano 2009-12-01
7565255 Thermal flow meter and control system Atsushi Kanke, Keiji Hanzawa 2009-07-21
7559237 Air flow measuring device provided with a vent in air passage Hiromu Kikawa, Shinya Igarashi, Keiichi Nakada, Kei Ueyama 2009-07-14
7555944 Physical quantity sensor Hiroshi Nakano, Masahiro Matsumoto, Masamichi Yamada, Keiichi Nakada 2009-07-07
7437927 Thermal type gas flow meter Masamichi Yamada, Masahiro Matsumoto, Hiroshi Nakano, Akio Yasukawa 2008-10-21
7409859 Thermal type flow measuring apparatus Junichi Horie, Keiichi Nakada 2008-08-12
7395707 Thermal type flow rate measuring apparatus Junichi Horie, Keiichi Nakada, Kei Ueyama, Masamichi Yamada 2008-07-08
7377161 Air flow measuring device provided with a vent in air passage Hiromu Kikawa, Shinya Igarashi, Keiichi Nakada, Kei Ueyama 2008-05-27
7360415 Thermal type air flow meter having semiconductor sensor elements with similar diaphragm sizes Hiroshi Nakano, Masamichi Yamada, Masahiro Matsumoto 2008-04-22
7337661 Thermal fluid flow meter having heat-generating resistor and temperature adjuster therefor Masamichi Yamada, Masahiro Matsumoto, Hiroshi Nakano, Keiichi Nakada 2008-03-04
7298824 X-ray diagnostic apparatus 2007-11-20
7270000 Fluid flow sensor and fluid flow measurement device Keiichi Nakada, Junichi Horie, Hiroshi Nakano 2007-09-18
7269999 Thermal airflow meter Hiroshi Nakano, Masamichi Yamada, Masahiro Matsumoto, Keiji Hanzawa 2007-09-18
7228614 Method of manufacturing a gas flow meter Masamichi Yamada, Junichi Horie, Keiichi Nakada 2007-06-12
7225669 Heating resistance flow rate measuring apparatus Masahiro Matsumoto, Masamichi Yamada, Hiroshi Nakano, Keiji Hanzawa, Keiichi Nakada 2007-06-05
7216535 Air flow measuring device and engine having the air flow measuring device Hiromu Kikawa, Shinya Igarashi, Keiichi Nakada, Kei Ueyama 2007-05-15
7201047 Air flow measuring device Hiromu Kikawa, Shinya Igarashi, Keiichi Nakada, Kei Ueyama 2007-04-10