MT

Mitsukuni Tsutsui

HI Hitachi: 18 patents #2,067 of 28,497Top 8%
HC Hitachi Automotive Engineering Co.: 4 patents #36 of 314Top 15%
HC Hitachi Car Engineering Co.: 3 patents #152 of 465Top 35%
Overall (All Time): #260,269 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
6427668 Thermal-type airflow meter, intake air system for an internal combustion engine, and control system for the same Shinya Igarashi, Akira Takasago, Masayuki Kozawa, Kaoru Uchiyama 2002-08-06
6182639 Thermal-type airflow meter, intake air system for an internal combustion engine, and control system for the same Shinya Igarashi, Akira Takasago, Masayuki Kozawa, Kaoru Uchiyama 2001-02-06
6012432 Thermal-type airflow meter, intake air system for an internal combustion engine, and control system for the same Shinya Igarashi, Akira Takasago, Masayuki Kozawa, Kaoru Uchiyama 2000-01-11
5631415 Air flow rate measuring device Shinya Igarashi, Hiroshi Hirayama, Chihiro Kobayashi, Yukio Kato 1997-05-20
5544523 Physical quantity sensor arrangement Kaoru Uchiyama, Shotaro Naito, Seiji Suda 1996-08-13
5467648 Air flow rate measuring device Shinya Igarashi, Hiroshi Hirayama, Chihiro Kobayashi, Yukio Kato 1995-11-21
5440924 Heating resistor type air flow meter with separate/processing unit Takayuki Itsuji, Kaoru Uchiyama 1995-08-15
5435180 Method and system for measuring air flow rate Kaoru Uchiyama, Minoru Takahashi 1995-07-25
5415029 Air flow detector for engine control unit Kaoru Uchiyama, Tadao Suzuki 1995-05-16
5325712 Air flow meter Shinya Igarashi, Minoru Takahashi 1994-07-05
RE34403 Hot-wire type air flow meter and an internal combustion engine with the same Nobukatsu Arai, Yoshihito Sekine, Tadao Osawa, Hiroatsu Tokuda, Toshifumi Usui 1993-10-12
4986115 Hot-wire air flow meter Yoshihito Sekine, Nobukatsu Arai, Tadao Osawa, Hiroatsu Tokuda, Toshifumi Usui 1991-01-22
4974445 Hot wire type of air flow meter and internal combustion engine using the same Nobukatsu Arai, Yoshihito Sekine, Tetsuo Matsukura, Hiroatsu Tokuda, Tadao Osawa +1 more 1990-12-04
4887577 Hot-wire type air flow meter and an internal combustion engine with the same Nobukatsu Arai, Yoshihito Sekine, Tadao Osawa, Hiroatsu Tokuda, Toshifumi Usui 1989-12-19
4829814 Hot film type air flow meter Tadao Suzuki 1989-05-16
4672847 Hot-wire flow rate measuring apparatus Kaoru Uchiyama 1987-06-16
4392473 Ignition coil for an internal combustion engine Takashi Yoshinari 1983-07-12
4248201 Molded ignition device Takashi Yoshinari, Toshiaki Iikubo, Kazuhiko Kawakami, Noboru Sugiura 1981-02-03