TO

Tsuyoshi Okawa

SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #1,511,183 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9450244 Cathode active material with zirconium in crystal grain boundary of lithium cobalt complex oxide Kei Yonezawa, Takashi Sato, Yoshikatsu Yamamoto 2016-09-20
7122272 Non-aqueous electrolyte secondary cell with a lithium metal phosphate cathode Mamoru Hosoya, Junji Kuyama, Yuzuru Fukushima 2006-10-17
6656635 Non-aqueous electrolyte secondary cell Mamoru Hosoya, Junji Kuyama, Yuzuru Fukushima 2003-12-02