IW

Izumi Watanabe

HI Hitachi: 5 patents #207 of 4,225Top 5%
HC Hitachi Car Engineering Co.: 5 patents #4 of 145Top 3%
Overall (2003): #9,737 of 273,478Top 4%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6666082 Thermal airflow sensor Masamichi Yamada, Keiichi Nakada 2003-12-23
6571621 Thermal flow rate measuring device Junichi Horie, Keiichi Nakada, Kei Ueyama 2003-06-03
6557411 Heating element type mass air flow sensor, and internal combustion engine-control apparatus using the sensor Masamichi Yamada, Keiichi Nakada 2003-05-06
6553829 Air flow sensor having grooved sensor element Keiichi Nakada, Masamichi Yamada 2003-04-29
6516785 Air flow sensor Keiichi Nakada, Hiroshi Yoneda, Kei Ueyama, Masamichi Yamada 2003-02-11