Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9330805 | Lithium silicate-based compound, positive electrode active material for lithium ion secondary battery, and lithium ion secondary battery using the same | Akira Kojima, Toshikatsu Kojima, Mitsuharu Tabuchi, Tetsuo Sakai, Masanori Morishita +5 more | 2016-05-03 |
| 9315390 | Production process for lithium-silicate-based compound | Toshikatsu Kojima, Tetsuo Sakai, Akira Kojima, Junichi Niwa, Hitotoshi Murase +1 more | 2016-04-19 |
| 9269954 | Production process for lithium-silicate-system compound | Toshikatsu Kojima, Tetsuo Sakai, Yasue Okuyama, Akira Kojima, Junichi Niwa +1 more | 2016-02-23 |
| 9082525 | Lithium silicate-based compound and production process for the same, positive-electrode active material and positive electrode for use in lithium-ion secondary battery as well as secondary battery | Akira Kojima, Toshikatsu Kojima, Mitsuharu Tabuchi, Tetsuo Sakai, Junichi Niwa +2 more | 2015-07-14 |
| 8940436 | Sulfur-modified polyacrylonitrile, manufacturing method therefor, and application thereof | Tetsuo Sakai, Junichi Niwa, Hitotoshi Murase | 2015-01-27 |
| 8728663 | Positive electrode for lithium-ion secondary battery and lithium-ion secondary battery comprising that positive electrode | Junichi Niwa, Kazuaki Hokano, Masataka Nakanishi, Akira Kojima, Kazuhito Kawasumi +1 more | 2014-05-20 |