Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10374223 | Positive electrode active material/graphene composite particles, positive electrode material for lithium ion cell, and method for manufacturing positive electrode active material/graphene composite particles | Eiichiro Tamaki, Yasuo Kubota, Hiroaki Kawamura, Mayumi Hara | 2019-08-06 |
| 10230111 | Graphene powder, electrode paste for lithium ion battery and electrode for lithium ion battery | Eiichiro Tamaki, Yasuo Kubota | 2019-03-12 |