AS

Akihiko Shirakawa

SD Showa Denko: 1 patents #12 of 74Top 20%
SK Showa Denko K.K.: 1 patents #31 of 126Top 25%
Overall (2004): #74,193 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6699618 Cathode electroactive material, production method therefor and secondary cell Takao Noda, Joseph Gaze, Yoshiaki Yamauchi, Fumiyoshi Ono 2004-03-02
6673491 Cathode electroactive material, production method therefor, and nonaqueous secondary cell using the same Takao Noda 2004-01-06