HD

Hisayo Dohta

DE Denso: 9 patents #1,418 of 11,792Top 15%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
Overall (All Time): #425,597 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7451036 Control apparatus and control method for internal combustion engine Naohide Fuwa 2008-11-11
7162356 Control apparatus and control method for internal combustion engine Naohide Fuwa 2007-01-09
6997161 Control apparatus and control method for internal combustion engine Naohide Fuwa 2006-02-14
6901920 Engine control apparatus having cylinder-by-cylinder feedback control 2005-06-07
6748314 Fuel injection amount control system for internal combustion engine 2004-06-08
6591822 Air-fuel ratio controller of internal combustion engines 2003-07-15
6571767 Flow amount calculation controller and flow amount calculation control method Daisuke Kobayashi, Akira Ohata, Harufumi Muto 2003-06-03
6397830 Air-fuel ratio control system and method using control model of engine 2002-06-04
6082337 Abnormality detection apparatus for preventing fuel gas emission Takeshi Fujimoto, Masaaki Nakayama, Yasuo Mukai, Keiji Wakahara, Junya Morikawa +1 more 2000-07-04
5845489 Abnormality detector for air-fuel ratio control system Shigenori Isomura, Katsuhiko Kawai 1998-12-08
5784879 Air-fuel ratio control system for internal combustion engine Katsuhiko Kawai, Shigenori Isomura 1998-07-28
5611315 Fuel supply amount control apparatus for internal combustion engine Katsuhiko Kawai 1997-03-18