Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8409754 | Positive electrode active material for secondary cell and nonaqueous electrolyte secondary cell using the same, and method for analysis of positive electrode active material for secondary cell | Ryo Sakai, Yasuhiro Shirakawa, Hajime Takeuchi, Yasumasa Ooya, Koshin Tanaka +1 more | 2013-04-02 |
| 6753112 | Positive electrode active material and non-aqueous secondary battery using the same | Yasumasa Ooya, Ryo Sakai, Koshin Tanaka, Kazuki Amemiya, Hajime Takeuchi +1 more | 2004-06-22 |