YI

Yasufumi Ikkai

Sumitomo Electric Industries: 4 patents #198 of 3,885Top 6%
Overall (2003): #11,438 of 273,478Top 5%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6580239 Protecting device of electromobile Satoshi Tamaki, Yasuhiro Kondo 2003-06-17
6575257 Method for controlling vehicle drive motor Satoshi Tamaki, Masaki Tagome 2003-06-10
6541939 Motor controller Taro Kishibe 2003-04-01
6509665 Motor having stator with insulator of high heat-conductivity Noriyoshi Nishiyama 2003-01-21