TO

Takafumi Oura

Sumitomo Electric Industries: 3 patents #364 of 3,885Top 10%
Overall (2003): #20,879 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6645667 Lithium secondary cell Kazuya Iwamoto, Shinji Nakanishi, Atsushi Ueda, Hizuru Koshina 2003-11-11
6630272 Non-aqueous electrochemical device Kazuya Iwamoto, Shinji Nakanishi, Atsushi Ueda, Hizuru Koshina 2003-10-07
6589689 Non-aqueous electrolyte secondary battery and method for producing the same Kazuya Iwamoto, Atsushi Ueda, Hiroshi Yoshizawa 2003-07-08