KH

Keiji Hanzawa

HS Hitachi Automotive Systems: 74 patents #1 of 1,636Top 1%
HI Hitachi: 38 patents #558 of 28,497Top 2%
HC Hitachi Car Engineering Co.: 26 patents #9 of 465Top 2%
HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
HC Hitachi Automotive Engineering Co.: 2 patents #95 of 314Top 35%
HC Hitachi, Ltd. And Hitachi Car Engineering, Co.: 1 patents #1 of 26Top 4%
📍 Hitachinaka, JP: #5 of 2,447 inventorsTop 1%
Overall (All Time): #10,897 of 4,157,543Top 1%
115
Patents All Time

Issued Patents All Time

Showing 76–100 of 115 patents

Patent #TitleCo-InventorsDate
7992435 Air flow meter Rintaro Minamitani, Akio Yasukawa 2011-08-09
7942053 Air flow measuring instrument having dust particle diverting structure Naoki Saito, Takeshi Morino, Yuki OKAMOTO, Hiromu Kikawa, Akio Yasukawa 2011-05-17
7882735 Thermal air flowmeter Yoshihiko Akagi, Takuto Okamoto, Kohei Suseki, Takeshi Morino 2011-02-08
7775104 Thermal flowmeter in which relationship among length of heat resistor, heating temperature for the heat resistor, and power supplied to the heat resistor is prescribed Hiroshi Nakano, Masahiro Matsumoto 2010-08-17
7721599 Reduced resistance thermal flow measurement device Masahiro Matsumoto, Hiroshi Nakano, Masamichi Yamada, Izumi Watanabe, Keiichi Nakada +1 more 2010-05-25
7677097 Heating resistor-type gas flowmeter Noboru Tokuyasu, Hiroaki Hoshika, Kaori Kashio 2010-03-16
7656624 IC power protection circuit Masahiro Matsumoto, Masamichi Yamada, Hiroshi Nakano, Ryo Sato 2010-02-02
7647825 Thermal type flowmeter Hiroshi Nakano, Masahiro Matsumoto 2010-01-19
7631555 Thermal flowmeter for measuring a flow rate of fluid Hiroshi Nakano, Masamichi Yamada, Masahiro Matsumoto, Izumi Watanabe, Keiichi Nakada 2009-12-15
7617723 Thermal type flow rate measuring apparatus having decrease in coupling capacitance between wiring portions of detection element Masahiro Matsumoto, Masamichi Yamada, Hiroshi Nakano, Yasuhiro Kanamaru 2009-11-17
7565255 Thermal flow meter and control system Atsushi Kanke, Izumi Watanabe 2009-07-21
7472591 Thermal gas flow and control device for internal-combustion engine using the same Yasuhiro Kanamaru 2009-01-06
7457711 Flowmeter and flowmeter system Atsushi Kanke, Masahiro Matsumoto, Shinya Igarashi, Kei Ueyama 2008-11-25
7426154 Sensor adjusting circuit Masahiro Matsumoto, Satoshi Shimada, Seikou Suzuki, Akihiko Saito, Atsushi Miyazaki 2008-09-16
7376040 Backup circuit for holding information in a storage circuit when power cut-off occurs Masahiro Matsumoto, Hiroyasu Sukesako 2008-05-20
7287424 Thermal type flow measurement apparatus having asymmetrical passage for flow rate measurement Masahiro Matsumoto, Masamichi Yamada, Hiroshi Nakano, Keiichi Nakada 2007-10-30
7269999 Thermal airflow meter Hiroshi Nakano, Masamichi Yamada, Masahiro Matsumoto, Izumi Watanabe 2007-09-18
7260657 Serial data transferring apparatus Masahiro Matsumoto, Fumio Murabayashi, Hiromichi Yamada, Hiroyasu Sukesako 2007-08-21
7225669 Heating resistance flow rate measuring apparatus Masahiro Matsumoto, Masamichi Yamada, Hiroshi Nakano, Izumi Watanabe, Keiichi Nakada 2007-06-05
7137298 Thermal air flowmeter Masahiro Matsumoto, Masamichi Yamada, Izumi Watanabe, Keiichi Nakada 2006-11-21
7010971 Heating resistor type flow-measuring device having a heating resistor and a thermoresistance, whose resistance value varies in response to the ambient temperature Masahiro Matsumoto, Masamichi Yamada, Hiroshi Nakano, Izumi Watanabe, Ryo Sato 2006-03-14
6973826 Heating resistance flow rate measuring apparatus Masahiro Matsumoto, Masamichi Yamada, Hiroshi Nakano, Izumi Watanabe, Keiichi Nakada 2005-12-13
6968283 Gas flow meter Takafumi Matsumura, Noboru Sugiura, Kenichi Katagishi, Masahiro Matsumoto 2005-11-22
6904379 Thermal air flowmeter Masahiro Matsumoto, Shinya Igarashi 2005-06-07
6877383 Capacitive type pressure sensor Junichi Horie, Yasuo Onose, Norio Ichikawa, Seiji Kuryu, Satoshi Shimada +5 more 2005-04-12