Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7399532 | Corrosive resistant metal material covered with conductive substance | Masahiro Seido, Tatsuya Tonogi, Kazuhiko Nakagawa, Masahiro Okahara | 2008-07-15 |
| 6759169 | Graphite powder for negative electrode of lithium ion secondary cell and method of production thereof | Katsutomo Ohzeki, Shigemi Oyama | 2004-07-06 |