MA

Masuo Akamatsu

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
HC Hitachi Automotive Engineering Co.: 3 patents #60 of 314Top 20%
HC Hitachi Car Engineering Co.: 2 patents #204 of 465Top 45%
📍 Hitachinaka, JP: #430 of 2,447 inventorsTop 20%
Overall (All Time): #425,673 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
7168312 Heating resistor type air flow meter 2007-01-30
7040159 Air meter 2006-05-09
7036368 Heating resistor type air flow rate measuring apparatus Shinya Igarashi, Izumi Watanabe, Kaoru Uchiyama, Tadashi Isono 2006-05-02
6691568 Air meter 2004-02-17
6435023 Heating resistor type air flow rate measuring apparatus Chihiro Kobayashi, Shinya Igarashi, Izumi Watanabe, Kaoru Uchiyama, Tadashi Isono 2002-08-20
6357293 Air flow meter with heat generating resistor Ryo Ando 2002-03-19
6032526 Heating resistor type air flow-meter of ratio-metric output type and engine control system using said heating resistor type air flow-meter 2000-03-07
5654506 Heat type air flow meter Hiroshi Yoneda 1997-08-05
5537871 Hot wire type air flowmeter Takayuki Itsuji, Hiroshi Yoneda 1996-07-23
5181420 Hot wire air flow meter Masayoshi Suzuki 1993-01-26
5036702 Air flow meter with compensation of second stage delay of thermal inertia Hiroatsu Tokuda, Izumi Watanabe, Hiroshi Yoneda 1991-08-06
4976140 Intake air flow rate measuring apparatus for use in internal combustion engine Masayoshi Suzuki 1990-12-11