YI

Yasuko Ito

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #1,286,595 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D396857 Combined television receiver with digital video disk player 1998-08-11
5077149 Nickel/hydrogen storage battery and method of manufacturing the same Munehisa Ikoma, Masashi Enokido, Shingo Tsuda 1991-12-31
4994334 Sealed alkaline storage battery and method of producing negative electrode thereof Munehisa Ikoma, Kohji Yuasa, Isao Matsumoto, Takashi Hino 1991-02-19
4935318 Sealed type nickel-hydride battery and production process thereof Munehisa Ikoma, Hiroshi Kawano, Isao Matsumoto 1990-06-19